Filed Under (Yamaha) by admin on 21-01-2012
1) The “blue” colored screw in the image is the duration adjustment screw. Underneath the head of the screw is a lock nut and the bracket arm that the screw is threaded into. To decrease the amount of fuel squirted the adjustment screw is turned “clockwise” or in. To increase the amount of fuel squirted the adjustment screw is turned “counter clockwise” or out. To get the max, amount of decrease remove the screw and take the lock nut off of the screw. Then replace the screw into the cam arm, then replace the lock nut underneath the arm on the screw. this gives you another 3/32″ of an inch in which the screw can be screwed in.
2) Turn the adjustment screw fully clockwise or IN. Start your engine, Blip your throttle open, if the engine stutters, (hesitates), it is not getting enough fuel so turn the screw counter clockwise to increase the amount of fuel squirted from the accelerator pump into the carburetor. Keep blipping the throttle and adjusting the screw till the carburetor starts to cough. Stop here and turn the screw back in till the coughing stops. Tighten down the lock nut. This should give you the best throttle response with the least amount of coughing and backfiring out the carburetor. Timing Adjustment Screw This is the “Green” colored screw just above the Blue duration adjustment screw. The” Mucker” said it best,,,,, This upper screw adjusts the “timing” of the squirt. By altering it’s setting, you can advance or delay the onset of the fuel squirt. But probably, it won’t have to be touched
Filed Under (Kawasaki) by admin on 25-10-2010
1) Remove Seat 10mm KAW 1500 CARB ADPTOR QTY PARTS LIST 1 1500 CARB ADAPTOR 1 3″ PIECE OF HOSE 1 DOUBLE BARB 1 L-BARB 1 3/8″ RED PLUG 1 ¼” BLACK VACCUM PLUG 1 M6-1 NYLON INSERT LOCK NUT 3 M6-1 X 16 FLAT SOCKET HD CAP SCREW 1 170 MJ 1 INSTRUCTIONS 2) Remove Dash Plaque 8mm bottom Bolt only 3) Lift from bottom then Remove speedo cable 4) Disconnect Electric Plugs 5) Remove 12mm bolts holding tank 6) Turn petcock OFF – Pinch off fuel line. 7) Disconnect the electric Plug under speedo opening 8) Lift Tank at Rear – Disconnect two Vent Lines; Fuel gage Vent will Pull up – Remove. 9) Remove Chrome Air Cover. 10) Left side Remove two screws – 10mm bolt in side Air box. Pull hoses off Remove 1″ hose going to cross over Tube. 11) Remove two 8mm bolts on Bracket – Remove Bracket 12) Remove Screw on Top of air Box Snorkel 13) Remove both side covers 14) Remove air Backing plate right side (Crank Case Breather hose that connects to stock air box will connect to new) 15) Remove Bracket that holds Carb and holds Backing Plate 16) Take idle adjustable Knob loose – let hang loose 17) Take Choke Knob out of holding Bracket 18) Hose that went to cross over tube MAY BE PLUGGED OR VENTED your Choice (Fresh air unit) ** 98′S or any models with carb warmer should disconnect carb warmer by pinching off line on each side of connector that plugs into carb on bottom. Small bracket with one screw directly on the bottom of carb. 19) Loosen Clamp that holds Carb to intake Manifold, Carb will hang loose 20) Remove intake Manifold 5mm Allen- Remove crossover tube. 21) (- BE CAREFULL-) LINE IT UP RIGHT- Replace intake Manifold (YOU MAY TO SEAL THIS WITH A SEALER LIKE PERMATEX) ( BE SUPER CAREFUL TO KEEP INTAKE COVERED DURING EACH STEP. SCREWS CAN FALL ONTO INTAKE) 22) Drain Float Bowl 3mm allen – very bottom of carb 23) Remove Float Bowl 4 screws (#2 Phillips) let hang down 24) Remove main jet, if Emulsion tube comes out use 8mm and Flat tip to separate jet from Emulsion tube. 25) Install with new jet 26) CAREFULLY Reinstall Float Bowl Cover 27) If installing Needle Remove Top Cover of Carb, Carefully pull the slide out. ( BE CAREFUL WITH DIAPHRAM) Remove Spring + Needle Install new Needle (WE RECOMMEND THE 3RD CLIP FROM TOP WITH TWO WASHERS ON TOP. REINSTALL 28) Be sure to reseat diaphragm – BE CAREFUL Reinstall Cover. 29) Install Carb to Intake – reconnect carb warmer if applicable 30) Reattach idle adjustment 31) Reattach Choke 32) Reattach Bracket in front of Carb- 33) Take Center bolt mount Rubber Gromlet from Stock Air box Plate install in to new Air box Adapter use stock Bolt, Attach to Bracke
Filed Under (Tips and Review) by admin on 11-11-2010
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.
Filed Under (Suzuki) by admin on 10-01-2011
Step 1: Identify the key components that complete our Superbike kit: You should have 2 lines (front kit), 1 double banjo bolt and 2 lower adapters. There are also a total of 7 washers. 5 will be used, and 2 are spares. We strongly suggest having a professional mechanic install these brake lines; all other installations VOID warranty. Inspect your brake system after every race. Step 2: To ensure no paint damage from a brake fluid spill, completely cover the front end of the bike. This process is messy, and brake fluid WILL drip! Step 3: Uninstall stock hoses; be aware of how the stock system was routed in case you need to re-install it. Step 4: Install the Galfer adapters onto the right and left calipers. Thread each adapter into the calipers with one washer, and torque at 12 to 13 ft pounds. (See picture S4) Step 5: Install the right and left lines to the calipers, using the shorter line on the right side. These lines will travel from the master cylinder to the calipers; a double banjo bolt (see picture S5) is included to run two lines down. The positioning sequence on the master cylinder is as follows: Master cylinder, washer, straight banjo (from right line), washer, 12-degree banjo (from left line), washer, and double banjo hex. Double banjo bolt torque level is 12 FT Pounds. ( See picture S6) Make sure that the 90-degree fittings on each caliper are pointing away from the bike just a little bit (see pictures S7 through S9 of calipers) . Thread each banjo end into the adapter, and torque to 6 ½ Ft pounds. Before you proceed to the next step, please check for clearance of the lines. Compress the front end to make sure that the lines are not binding with anything. When the front end is fully extended or fully compressed, double check that the lines are traveling correctly and clear from any obstructions. Once the lines have been checked for clearance, we recommend using a zip-tie to bring the lines together about an inch above the lower triple clamp area. (Picture S10) Step 6: Bleed brake system according to owner’s manual, and build appropriate pressure. Finishing with DOT 4-brake fluid is recommended.
Filed Under (Honda) by admin on 17-12-2011
K&L CARBURETOR ADJUSTMENT WRENCHES These tools use tough and accurate bevel gear actuation instead of cable for professional use. The aluminum handle includes index marks for accurate tuning. Sold each. Three types available: 35-9653 Slot-type Pilot Screw Adjustment Wrench for Kawasaki/Suzuki/Yamaha 35-9658 Slot-type Pilot Screw Adjustment Wrench with longer tip for Kawasaki/Suzuki/Yamaha 35-9650 D-type Keihin Pilot Screw Adjustment Wrench for Honda 90-DEGREE 1/4″ HEX DRIVER This gear driven, 1/4″ hex driver set is made of high-grade aluminum and stainless steel. Strongest tool of it’s type on the market. Designed for use on hard-to-reach pilot air screws on inline fours. Can be used with any 1/4″ or 6mm hex bits. 35-7820 90-Degree 1/4″ Hex Driver Set: Includes straight slot, phillips, d-shape pilot screw bit, 6mm hex jet bit & 1/4″ – hex – 1/4″ drive bit. FCR CARB TOOL Set includes three bits – 6mm hex for main jets, long reach straight slot for pilot jets and 3mm allen for float bowl removal. Longer bits make this set ideal for reaching into recessed cavities when adjusting Keihin FCR carburetors. Sold as a set. 35-7978 FCR Carb Tool 12″ DRILL BIT For removal of carburetor plug. (mixture screw plug) 1/8″ bit x 12 inch length. 35-1186 YM-33217-16 JET DRIVER 35-2270 Perfect for removal of jets from small recessed passages