how to set fast idle 2006 stratoliner

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S&S Super E and G Series "Shorty" Carburetors REMOVAL, Installation and Jetting Instructions

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Filed Under (S&S) by admin on 29-10-2010

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Remove Old Carburetor WARNINGS ● Gasoline is extremely flammable and explosive under certain conditions. Do not smoke around gasoline. Gasoline fumes are toxic when inhaled. Perform installation in a well ventilated area away from open flames or sparks. Any gasoline leak or spill constitutes a health and fire hazard. ● If motorcycle has been running, wait until engine and exhaust have cooled to avoid getting burned during installation. ● Electrical sparks can ignite explosive gasoline fumes. Failure to disconnect battery while working on motorcycle can also result in inadvertent engagement of starter and personal injury. A. Shut off fuel petcock and disconnect battery. B. Remove air cleaner assembly. Drain fuel from existing carburetor. Remove carburetor, manifold, choke cable and any carburetor mounting hardware NOTE – Removing and tightening hard to reach Allen bolts such as carb-manifold mounting bolts and V2 manifold flange bolts can be greatly simplified by the use of Allen ball-end drivers. These tools are available at most automotive and tool supply houses. See Picture 9. Additionally, Performance Plus of Evansville, Indiana, produces a hex wrench specially modified for accessibility of V 2 manifold bolts. Call 812-963-8854 for further information. As alternative, standard hex wrench can be shortened for convenience. NOTE – Some Buell motorcycles have a breather fitting with 90° elbow on rear head. Due to proximity of frame, elbow must be removed before fitting can be taken off engine. Loosen fitting and rotate to position convenient for cutting elbow. Secure fitting by tightening against cylinder head. Elbow may be inaccessible to hacksaw. In most instances, a die grinder with cutoff wheel will remove elbow with little difficulty. If die grinder is unavailable, grasp elbow firmly with pliers and snap off, then remove fitting. CAUTION – Extreme care must be taken to prevent metal chips from entering engine when elbow is removed. S&S recommends packing breather fitting with gease before removing elbow. Metal chips inside engine will cause extensive damage. Installer bears all responsibility for containment of chips and other debris. Picture 2 Picture 4 Picture 3
5 2. Prepare Air Cleaner Backplate NOTE – Fast idle lever screws, part #11-2384, must not be overtightened. Loctite or other thread locking compound may be used sparingly on threads to prevent screws from vibrating loose. CAUTION – Overtightening fast idle screws may damage backplate. A. All engines except V2s 1. Knuckles & Pans, 1936 to 1965 – Press plugs, part #50-8312, into holes in air cleaner backplate. See Picture 2 . 2. Shovels, 1966 to 1979, and Ironhead (IH) XLs, 1957 to 1979 – Press plug, part #50-8312, into hole in air cleaner backplate. See Picture 3 . 3. Shovels 1980 to 1984 and IH XLs 1980 to 1985 – Screw crankcase breather vent elbow fitting, part #50-8110, into hole in air cleaner backplate and angle downward as shown in Picture 4 . On 1983 and 1984 Shovels press plug, part #50-8312, into other hole on left. 4. Assemble fast idle mechanism as shown in Figure A . B. FL V2s 1984 to 1992 1. Press plug, part #50-8312, into hole on left in air cleaner backplate as shown in Picture 5 . 2. Screw vent hose elbow fitting, part #50-8110, into remaining hole at right. See Picture 5 . 3. Assemble fast idle mechanism as shown in Figure A . C. XL V2s 1986 to 1990 1. Press plug, part #50-8312, into hole on right in air cleaner backplate as shown in Picture 6 . 2. Screw vent hose nipple fitting, part #50-8111, into remaining hole at left. See Picture 6 . Elbow fitting, part #50-8110, supplied in kit may also be used in this location if required. 3. Assemble fast idle mechanism as shown in Figure A . D. FL V2s 1993 and up and XL V2s 1991 and up 1. Press plugs, part #50-8312, into both holes in air cleaner backplate as shown in Picture 7 . 2. Assemble fast idle mechanism as shown in Figure A . E. Buell motorcycles, 1994 and up 1. Assemble fast idle mechanism as shown in Figure A. 3. Throttle Preparation NOTE – Throttle grip assembly must be assembled correctly and work freely to prevent possible sticking during operation. Throttle must snap closed when released. Cable routing must be free of tight bends to minimize friction between cable and housing

Ural carburetors Installation and idle adjustment

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Filed Under (Ural) by admin on 02-11-2010

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1. First you must adjust the idle. It is acceptable per the manual to adjust the idle by using the idle adjust screws (11). This usually involves screwing them then backing out 1 to 1.5 turns. Or you can adjust looking at the sliders 2. If installing the carburetors: a. Remove the cover (2) b. Reomve the slider (3) c. Place the throttle cable through the guide (18) with the spring (4) on the cable. d. Route the cable through the slide catch (6) e. Insert the slide assembly into the chamber and make sure it easily slides up and down. Direct the needle (8) into the opening of the diffuser (angled side visible). f. Screw assembly together and verify via throttle movement that slide moves freely. Attach fuel delivery lines to (12). 3. Using the idle set screw (11) raise the slider so the lower edge is 1-2 mm. 4. Assemble to engine using the proper gaskets (paper – felt – paper). 5. Using the locknut (26) adjust the free play of the throttle cable (2-3 mm) 6. Adjust the idle mixture screw – turn in completely then out 1 to 1.5 turns 1. Remove one of the spark plug caps, and with the cap shorted, adjust (11) to decrease RPM’s to a point of being minimally steady. 2. Adjust the mixture (15) out until RPM’s decrease. Turn in until RPM’s increase slightly. Then turn in screws ¼ to 1/3 revoultion. 3. Do the same for the second carburetor with the first spark plug cap shorted. 4. With both cylinders, adjust each idle (11) on each carburetor the same amount each until it’s at a steady, minimal RPM. Use small changes. (at this point you can use your airflow tool to check). 5. Sharply increase, then decrease throttle. Then engine must return to low RPMs smoothly. If the engine goes below limits, readjust (11) from step 4. Synchronization of the K68 Note: Rather than using the opposite cylinder shorted to test the pull of the live cylinder carburetor, you can use something like a Twinmax connected to the test ports (27 Fig 1). Or, if you have a model without these ports, use a Synchrometer (Appendix 2) held against the face of the carburetor. These tools merely show airflow passing through each carburetor (which is dependent on the position and wear on the slide). If using these tools, it’s not necessary to do the following steps. You wil want to use a throttle guide (Appendix 1), to show airflow at various throttle settings. Using the flow meter of your choice make sure each carburetor is the same at the various throttle settings. 1. Place the motorcycle on the center stand ensuring the rear wheel is suspended 2. Make sure you have large area to work with (safety issues here) 3. Shift into the highest gear with the engine running 4. Short one spark plug cap to the cylinder (using a nail or something in the fins) 5. Increase the speed to 40-50 km/hr 6. Fix the throttle using the throttle (maybe using a throttle stop screw under the throttle housing). 7. Reconnect other cylinder and using the opposite carburetor determine the speed which should be the same as the first. 8. Adjust the position of this slide to achieve the referenced speed using the locknut at the top of the carburetor.

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Yamaha Stratoliner 2006 3" Big Straights REMOVAL AND INSTALLATION MANUAL

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Filed Under (Yamaha) by admin on 02-01-2012

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1. Remove right side Foot peg assembly or Floorboard. (Whichever is applicable to your model.) 2. Remove bolts that are holding muffler at rear mounting bracket. 3. Remove Cables from exhaust valve. 4. Remove O2 Sensor from pipe. 5. Remove the two nuts that secure the rear exhaust header pipe to the rear cylinder head. 6. Remove the two nuts that secure the front exhaust header pipe to the front cylinder head. 7. Remove complete pipe assembly. Hard-Krome Exhaust System Installation NOTE: Take care when fitting this Hard-Krome aftermarket exhaust system on your motorcycle. It has been designed to replace a STOCK exhaust system on a motorcycle with its engine, frame and other components in their STOCK design, configuration and location. WARNING : Re-check and re-tighten ALL fasteners and supports after 50 miles, then re-check and tighten as necessary on a periodic basis to ensure proper operation and performance. NOTE: All fasteners should be loose during initial installation to ensure proper fit and location of the new exhaust system. 1. Install new exhaust gaskets. 2. Install mounting bracket using Bolts with flat & lock washers. (See Illustration) 3. Install O2 Sensor onto front pipe and install front pipe onto front cylinder, taking care to not scratch chrome surfaces on pipe, engine or motorcycle. 4. Install the two nuts to secure the flange that holds the exhaust header pipe to the front cylinder head — DO NOT TIGHTEN NUTS! 5. Install 3/8-16 Square nut into each slotted bracket of front pipe and start the 3/8-16×3/4″ Bolt with flat & lock washer through backside of mounting bracket. — DO NOT TIGHTEN BOLTS! 6. Carefully install rear pipe onto rear cylinder. 7. Install the two nuts to secure the flange that holds the exhaust header pipe to the rear cylinder head — (Remove chrome plastic valve cover to access top nut) — DO NOT TIGHTEN NUTS! 8. Install 3/8-16 Square nut into each slotted bracket of rear pipe and start the 3/8-16×3/4″ Bolt with flat & lock washer through backside of mounting bracket. — DO NOT TIGHTEN BOLTS! 9. Tighten the two bolts that secure the rear exhaust header pipe flange. 10. Tighten the two bolts that secure the front exhaust header pipe flange. 11. Tighten front pipe bolts at mounting bracket. 12. Tighten rear pipe bolts at mounting bracket. 13. Reinstall foot peg assembly or floorboard. 14. If applicable to your model install foot peg relocating brackets and foot pegs as shown in illustration.

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YAMAHA ROADLINER AND STRATOLINER PASSENGER FLOOBOARD RELOCATION ARMS

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Filed Under (Yamaha) by admin on 23-12-2010

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1. When installing floorboards at the same time first refer to their instructions and using the longer right side black floorboards mounting block supplied with this set of relocation arms. Leave the final floorboards mounting bolt installed loosely at this time. 2. If installing the relocation arms after installing the floorboards at an earlier date proceed as follows. 3. On the left side remove the Allen screw below the floorboards pivot and remove the floorboard from the black mounting block. Remove the dowel pins from their holes on the block. Locate the left relocation arm (stamped “L” and “R” on their backsides). On the end with the clearance hole (not threaded) Place the two dowel pins into one of the two sets of holes which are directly across from each other (180 degrees apart). Hold the arm with the dowel pins up to the mounting block. Align the dowel pins with each of the three sets of holes in the block one at a time noting the height of the opposite end of the arm where the floorboard will mount. Move the dowel pins to the other set of holes on the arm and again hold the arm with the dowel pins up to the blocks three sets of holes. Choose the set of holes in both the block and arm which will set the floorboard to the desired height and place the arm with the dowel pins onto the block. Using one of the button head Allen screws supplied bolt the arm to the block and tighten securely. 4. Locate two of the dowel pins supplied and one of the Allen screw removed earlier. Place the dowel pins into the holes of the arm which allow the floorboard to be level or parallel to the ground. Place a drop of loctite on the threads of the screw and tighten securely. Install the right floorboard in the same manner. 5. On the right side remove the floorboard from the mounting block. Remove the mounting block and replace it with the longer one supplied. Install the right arm in the same manner as the left using the set of dowel pin holes to match the height or angle of the left arm. Install the right floorboard and tighten securely. Recheck all fasteners for tightness.

2006 Honda ST1300/ A SET-UP INSTRUCTIONS

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Filed Under (Honda) by admin on 21-04-2011

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Remove the carton cover. The ST1300/A is crated in one of two ways. You may receive either one. Covered crate: Cut the strap and remove the carton cover. Remove the inner cardboard frame cover. Uncovered crate: When stacking crates, protect the motorcycle from falling objects and bad weather. 2. Check for damage. Check the unit for hidden damage. If you find damage, follow the instructions on the Delivery and Damage Claims Guidelines wall chart (Reorder No. S0477) before proceeding. 3. Remove the side braces, wheel, loose parts cartons, and crate frame. Remove the ties securing the front wheel and loose parts cartons. 3. Remove the side braces, wheel, loose parts cartons, and crate frame (cont.). Remove the bolts and side braces, being careful not to damage the front wheel. Remove the loose parts cartons. Keep the You and Your Motorcycle Riding Tips & Practice Guide and hand deliver to the customer at the time of delivery. Remove the nuts, plate, and bolts. Using two people, carefully remove the crate frame, being careful not to damage the motorcycle Remove the motorcycle from the crate base. Install lifting slings on the engine guards and grab rails as shown. If necessary, use a spreader board to prevent the slings from damaging the motorcycle. Lift the slings just enough to remove the slack. Loosen the caliper bolts, axle bolt, and axle pinch bolts. Remove the washer bolts, and lower shipping bracket from the crate base. Discard the washer bolts

HARLEY DAVIDSON SHIFTER SHAFT COVER WITH INSERT INSTALLATION INSTRUCTIONS

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Filed Under (Harley Davidson) by admin on 03-02-2011

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INSTALLATION 1 2 4 3 5 6 7 is01872 1. Shifter shaft 2. Inner cover 3. Toe shifter lever 4. Outer cover 5. Set screw (for outer cover) 6. Set screw (for inner cover) 7. Casting Figure 1. Shifter Shaft Covers 1. See Figure 1. Remove the stock heel shift lever and toe shift lever (3) from the gear shifter shaft (1). 2. Install the set screw (6) into the inner gear shifter shaft cover (2). 3. Install inner gear shifter shaft cover with installed set screw over the casting (7) in-board of the shifter shaft (1). 4. Tighten the set screw until light contact is made with the casting. Do not overtighten. 5. Re-install toe shift lever on the gear shifter shaft. Tighten the shifter retaining screw to 18-22 lb-ft (24-30 Nm) . 6. Install the set screw (5) into the outer gear shifter cover (4). 7. Install outer gear shifter shaft cover with installed set screw over the end of the gear shifter shaft (1). 8. Loosen the set screw slightly to allow the gear shifter shaft cover to rotate. Rotate the cover until the set screw faces down, then tighten the set screw. SERVICE PARTS

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YAMAHA ROADLINER / STRATOLINER Fuel Injected INSTALLATION INSTRUCTIONS

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Filed Under (Yamaha) by admin on 28-10-2010

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1. Be sure the main switch is in the off position during the installation process. Failure to do this will cause the “check engine” light to be set. 2. Remove seat exposing the Electronic Control Unit (ECU) and battery. 3. Remove the right side coil cover by removing two allen screws and gently pulling. 4. Disconnect the 6 pin factory connector behind the ignition coils. (Fig 1) 5. Connect Fuelpak 6 pin connectors in-line with factory connectors. 6. Disconnect 3 pin factory connectors behind the ignition coils and connect Fuelpak 3 pin connectors in-line with factory connectors. 7. Route Fuelpak harness up to battery area and reinstall coil side cover. 8. Connect Fuelpak black wire to negative ground wire. (Fig 2) 9. Locate factory 2 pin connector with brown and black wires. Disconnect empty connector and attach Fuelpak red wire connector. 10. Connect Fuelpak 10 pin connector to Fuelpak harness. 11. You are now ready to set-up your Fuelpak. INSTALLATION INSTRUCTIONS FOR P/N 65001 READ ALL INSTRUCTIONS BEFORE BEGINNING INSTALLATION FUEL INJECTION MANAGEMENT SYSTEM ROADLINER / STRATOLINER NOTICE: Fuelpak is intended for racing or off-highway use only, and is not legal for sale or use in California on pollution-controlled vehicles. PLEASE NOTE: FUELPAK USE REQUIRES A HIGH PERFORMANCE AIR FILTER. HOW IT WORKS ENTERING VALUES 1. Remove Fuelpak clear case cover by removing all four screws, save hardware . 2. Turn on main power with key, but do not start engine. Fuelpak display should light up, if not, turn power off and verify the connectors are fully seated. 3. Refer to Fuelpak Setting Reference to locate the Setting Values specific to your bike and exhaust system. If you do not find your setting, visit fuelpakfi.com or call tech support at (562) 921-0071. 4. Starting with mode 1 selected, press the value (+) or the value (-) buttons to input the correct value as indicated in your Setting Value. After entering your first value, press the mode select button to move to mode 2 and enter the value. Continue until you have entered the value for each of the first 18 mode positions. Each time the value (+) is pressed, the value increases by one number. Each time the value (-) is pressed, the value decreases by one number. (Please refer to the “How It Works” section directly above if you have questions about this step. 5. As the next procedure, after you have entered in your values for the first 18 modes, press the mode select button to move to mode 19. Fully twist open the throttle and return to idle position to calibrate the Fuelpak to your bike. 6. By pressing the mode select button twice, move to mode 21 and verify that it reads “0″ with the throttle closed, “50″ at approximately half-throttle and “99″ when fully opened; if not, repeat step 5. Do not proceed to step 7 until mode 21 is verified.

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HARLEY DAVIDSON MULTI-FIT BRAIDED THROTTLE/IDLE CABLE KITS REMOVAL AND INSTALLATION MANUAL

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Filed Under (Harley Davidson) by admin on 20-03-2011

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REMOVAL To prevent accidental vehicle start-up, which could cause death or serious injury, disconnect negative (-) battery cable before proceeding. (00048a) To prevent accidental vehicle start-up, which could cause death or serious injury, remove main fuse before proceeding. (00251b) 1. Disconnect battery cables, negative (-) cable first or remove the main fuse following the instructions in the service manual. NOTE When performing cable disassembly procedures, make careful notes as to the existing cable routing. Pay special attention to existing cable strap locations before removing so new straps can be installed in the same locations. Do not remove or install the master cylinder assembly without first positioning a 5/32-inch (4 mm) thick insert between the brake lever and lever bracket. Removing or installing the master cylinder assembly without the insert in place may result in damage to the rubber boot and plunger on the front stoplight switch. (00324a) 2. See Figure 1. Place the cardboard insert between the brake lever and lever bracket. 3 2 1 is00825 1. Brake lever 2.5/32 inch (4 mm) cardboard insert 3. Brake lever bracket Figure 1. Install Cardboard Insert 3. See Figure 2. Loosen cable adjuster jam nuts. Turn cable adjusters in until they are as short as possible. This will provide enough slack for easy removal. 3 4 1 2 5 is 02071 1. Upper switch housing 2. Lower switch housing 3. Throttle cable adjuster 4. Idle cable adjuster 5. Adjuster jam nut Figure 2. Handlebar Throttle Control 4. Remove the right upper and lower switch housing screws. 5. Loosen the upper screw securing the handlebar clamp to the master cylinder housing. Remove the lower clamp screw and flat washer. NOTE If possible, leave the friction shoe in place. The friction shoe is a loose-fit and may fall out or become dislodged if the lower switch housing is turned upside down or shaken. 6. See Figure 3. Remove the brass ferrules from the notches on the inboard side of the throttle control grip. Remove the ferrules from the cable end fittings. 1 2 4 3 is 02072 1. Throttle cable 2. Idle cable 3. Brass ferrule 4. Notch Figure 3. Throttle/Idle Control Cables 7. Pull the crimped inserts at the end of the throttle and idle control cable housings from the lower switch housing. For best results, use a rocking motion while pulling. Remove cables with retaining rings from switch housing. Apply a drop of light oil on the retaining ring, if necessary, to help in removal. NOTE If installing different handlebars, measure the change in distance that will be required from the end of the cable housing to the throttle grip. Compare this additional required length to the cables provided in the kit. If the cables are more than 2.0 inches (51 mm) longer or more than 1.0 inch (25 mm) shorter than the above measured distance, see a Harley-Davidson dealer for the correct cable length. Install proper length throttle cables. Incorrect cable length can adversely affect motorcycle operation, which could cause loss of control resulting in death or serious injury. (00396b) 8. Follow instructions in the applicable service manual and remove air cleaner and backplate.

HARLEY DAVIDSON MULTI-FIT BRAIDED THROTTLE/ IDLE CABLE KITS REMOVAL AND INSTALLATION INSTRUCTIONS

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Filed Under (Harley Davidson) by admin on 01-02-2011

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REMOVAL To prevent accidental vehicle start-up, which could cause death or serious injury, disconnect negative (-) battery cable before proceeding. (00048a) 1. Disconnect battery cables, negative (-) cable first or remove the main fuse following the instructions in the service manual. NOTE When performing cable disassembly procedures, make careful notes as to the existing cable routing. Pay special attention to existing cable strap locations before removing so new straps can be placed into the same locations. Do not remove or install the master cylinder assembly without first positioning a 5/32-inch (4 mm) thick insert between the brake lever and lever bracket. Removing or installing the master cylinder assembly without the insert in place may result in damage to the rubber boot and plunger on the front stoplight switch. (00324a) 2. See Figure 1. Place the cardboard insert between the brake lever and lever bracket. 3. See Figure 2. Loosen cable adjuster jam nuts. Turn cable adjusters in until they are as short as possible. This will provide enough slack for easy removal. 4. Remove the right upper and lower switch housing screws INSTALLATION Throttle and Idle Cable Installation 1. See Figure 3. Apply graphite lightly to the throttle grip inside the switch housing and on the throttle end of the handlebar. NOTE The throttle control cable has a larger diameter retaining ring crimped to the cable end than does the idle control cable. For assembly, apply a drop of light oil on the retaining rings of the crimped inserts. 2. See Figure 7. Push the throttle cable housing and retaining ring into the larger hole of the switch housing, located in front of the tension adjuster screw. 3. Push the idle cable housing and retaining ring into the smaller hole of the switch housing, located behind the tension adjuster screw. 4. Push the throttle and idle control cable housings into the lower switch housing until each snaps into place. NOTE For models not equipped with factory-installed cruise control, if the friction shoe has fallen out or become dislodged, install the shoe with the concave side facing up and position it so the pin hole is over the point of the adjuster screw. 5. Push the throttle control grip over the end of the right handlebar until it bottoms against the closed end. Rotate the grip until the ferrule notches are at the top. To prevent binding, pull the grip back about 0.12 inch (3.2 mm). 6. See Figure 3. Position the lower switch housing beneath the throttle control grip. Install two brass ferrules (Item 3, Figure 11) from this kit onto cables, seating the ferrules in their respective notches on the throttle control grip. The cables must be captured in the grooves molded into the grip. 7. Position the upper switch housing over the handlebar and lower switch housing. Route the wire harness conduit through the depression at the bottom of the handlebar. 8. Tighten the upper and lower switch housing screws finger- tight. 9. Position the brake lever/master cylinder assembly inboard of the switch housing assembly, engaging the tab on the lower switch housing in the groove at the top of the brake lever bracket. 10. Align the holes in the handlebar clamp with those in the master cylinder housing and tighten the lower screw and flat washer finger-tight. Position for rider comfort. Beginning with the top screw, tighten the screws to 60-80 in-lbs (6.8-9.0 Nm)

Adjusting the Pekar K68 for Dnepr or Ural

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Filed Under (Tips and Review) by admin on 11-11-2010

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1. Make sure the ignition timing is correct 2. Adjust the valves as necessary to ensure proper operation 3. Run the engine to warm it up a bit 4. Adjust the float setting. To do this, remove the carburetors (leave the throttle cables attached), remove the bowl and turn the carburetor upside down (fuel will spill). The float should look like this: Adjust as necessary by bending the float support (#37 in Figure 1). Reinstall Installation and idle adjustment 1. First you must adjust the idle. It is acceptable per the manual to adjust the idle by using the idle adjust screws (11). This usually involves screwing them then backing out 1 to 1.5 turns. Or you can adjust looking at the sliders 2. If installing the carburetors: a. Remove the cover (2) b. Reomve the slider (3) c. Place the throttle cable through the guide (18) with the spring (4) on the cable. d. Route the cable through the slide catch (6) e. Insert the slide assembly into the chamber and make sure it easily slides up and down. Direct the needle (8) into the opening of the diffuser (angled side visible). f. Screw assembly together and verify via throttle movement that slide moves freely. Attach fuel delivery lines to (12). 3. Using the idle set screw (11) raise the slider so the lower edge is 1-2 mm. 4. Assemble to engine using the proper gaskets (paper – felt – paper). 5. Using the locknut (26) adjust the free play of the throttle cable (2-3 mm) 6. Adjust the idle mixture screw – turn in completely then out 1 to 1.5 turns. * Starting using the K68′s (cold weather) 1. Verify fuel flow. Apply choke (pull 52 in Fig1). 2. Using the ticklers (13) allow fuel to enter the bowl until fuel drains from (14) 3. With the ignition off, kick 1 or 2 times 4. Turn ignition on, and as soon as engine is warmed up (maybe sooner) push choke mechanisms to open choke Idle Adjustment (engine running and warm) 1. Remove one of the spark plug caps, and with the cap shorted, adjust (11) to decrease RPM’s to a point of being minimally steady. 2. Adjust the mixture (15) out until RPM’s decrease. Turn in until RPM’s increase slightly. Then turn in screws ¼ to 1/3 revoultion. 3. Do the same for the second carburetor with the first spark plug cap shorted. 4. With both cylinders, adjust each idle (11) on each carburetor the same amount each until it’s at a steady, minimal RPM. Use small changes. (at this point you can use your airflow tool to check). 5. Sharply increase, then decrease throttle. Then engine must return to low RPMs smoothly. If the engine goes below limits, readjust (11) from step 4. Synchronization of the K68 Note: Rather than using the opposite cylinder shorted to test the pull of the live cylinder carburetor, you can use something like a Twinmax connected to the test ports (27 Fig 1). Or, if you have a model without these ports, use a Synchrometer (Appendix 2) held against the face of the carburetor. These tools merely show airflow passing through each carburetor (which is dependent on the position and wear on the slide). If using these tools, it’s not necessary to do the following steps. You wil want to use a throttle guide (Appendix 1), to show airflow at various throttle settings. Using the flow meter of your choice make sure each carburetor is the same at the various throttle settings. 1. Place the motorcycle on the center stand ensuring the rear wheel is suspended 2. Make sure you have large area to work with (safety issues here) 3. Shift into the highest gear with the engine running 4. Short one spark plug cap to the cylinder (using a nail or something in the fins) 5. Increase the speed to 40-50 km/hr 6. Fix the throttle using the throttle (maybe using a throttle stop screw under the throttle housing). 7. Reconnect other cylinder and using the opposite carburetor determine the speed which should be the same as the first. 8. Adjust the position of this slide to achieve the referenced speed using the locknut at the top of the carburetor.

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