how to clean a choke on a vespa

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Harley Davidson 1990 and later HSR Choke Cable Installation Manual

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Filed Under (Harley Davidson) by admin on 28-02-2012

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The majority of HSR42/45 installations use the Harley cable. Installation is simple when the installation instructions are followed, step by step. Those steps are: • Remove the stock Harley choke cable assembly. • Remove the spring and plunger from the stock cable. • Remove the Mikuni “Starter Nut” from the HSR. • Remove the Mikuni spring and plunger from the HSR. • Install the Mikuni spring and plunger on the Harley choke cable. • Install the Harley choke cable with the fitted Mikuni spring and plunger into the HSR carburetor. • DO NOT use the Mikuni Starter Nut; discard it. • DO NOT use the Harley spring or plunger; discard them. Note: If you do not have installation instructions, you may download them from the www.mikuni.com website in the “manuals” section. If the Mikuni Starter Nut is fitted to the Harley cable, the choke plunger is held off its seat and the choke is open all the time. If the Harley spring and plunger are used, the plunger does not seal and the choke is open all the time. The result, in both cases, is very poor fuel mileage (30 mpg or less). Another possible cause of poor mileage, rough idle and fouled spark plugs is incorrect cable routing. The stock Harley choke cable is very stiff and may not be fully seated in the metal elbow at the carburetor end of its run. This condition is easily corrected. On occasion, one of these errors may have been made by someone else at another location. The unfortunate mechanic who inherits the task of correcting the rich condition, poor idle and poor fuel mileage may have no clue as to the mismatch of parts. For this reason, we include the photos and text to help you discover if your installation is correct.

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BMW F 650 CS Repair Manual

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Filed Under (BMW) by admin on 18-11-2010

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Connection 11 Engine Freewheel housing and freewheel Nm 35 (clean thread + Loctite648) Engine block Nm 10 Double drive gear on crankshaft Nm 180 (clean thread + Loctite243) Driver to countershaft Nm 140 (clean thread + Loctite243) Pressure plate Nm 10 Magnetic hub to crankshaft Nm 180 (clean thread + Loctite243) Chainwheel to main shaft Nm 140 (clean thread + Loctite243) Signal transmitter Nm 8 Ignition cover Nm 10 Cylinder base Nm 10 Fastener for chain tensioner Nm 40 Oil circuit Oil filter cover Nm 10 Oil pressure switch Nm 12 (clean thread + Loctite243) Strainer cover to housing half Nm 8 Drain plug, on-frame oil tank Nm 21 Engine oil drain plug Nm 40 Oil supply/oil return lines to engine Nm 42 Oil pump cover Nm 6 (clean thread + Loctite243) Oil pressure valve Nm 24 Oil retaining valve Nm 24 Cylinder head Collar nuts for cylinder head Nm 60 Collar screws for cylinder head Nm 33 Machine screws (chaincase) Nm 10 Camshaft bearing cap Nm 10 Chain sprockets to camshafts Nm 60 threads oiled Chain guide to camshaft bearing cap Nm 10 (clean thread + Loctite243)
00.4 Cylinder head cover Nm 10 Machine screw (hole for locating screw) Nm 25 Model F 650 CS Connection 12 Engine electrics Spark plug Nm 20 Magnetic hub to crankshaft Nm 180 (clean thread + Loctite243) Signal transmitter Nm 8 Engine block cover, left/right Nm 10 Starter to clutch cover Nm 10 Positive lead to starter motor Nm 9 Positive contact to starter motor Nm 4 Necked-down bolt, starter housing Nm 6 Cable cover to engine block Nm 9 Cable holder to ignition cover Nm 8 Stator to ignition cover Nm 10 (clean thread + Loctite243) Ignition coil bracket to cylinder head cover Nm 9

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HW Prowler Carburetor Installation Instructions

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Filed Under (Mikuni) by admin on 31-10-2010

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1. Remove both seats and the plastic seat pans under the seats. 2. Remove the engine cover 3. Remove the air-box by removing the cross-bar support that runs under the air-box to the framing on each side by the seat framing and disconnect the air box from the carburetor and from the plastic intake in the rear. 4. Disconnect the engine breather hose from the bottom of the air box 5. Set the air-box to the side 6. Disconnect the plug going to the stock carburetor, this is the electronic choke. Wrap the end left on the vehicle with electrical tape. 7. Cut the fuel line just above the fitting on the passenger side of the carb 8. Remove the side cover off the drivers side of the carb where the throttle cable goes in, see fig. #1 9. Pull the throttle cable out and then remove the throttle cable end from the throttle plate See Fig. #2 10. Loosen the clamp on the rear of the carb holding the carb on 11. Pull the carb out of the intake boot 12. Set OE carb to the side. 13. Push the new Carb into the intake boot making sure the carb is perfectly vertical and then tighten the clamp back up. The new carb is slightly larger than the stock one so some additional pressure will be needed to get it in. 14. Route all the breather lines connected to the carb down under the carb. 15. Connect the throttle cable onto the new carb but putting the cable end in the bottom hole of the throttle plate on the passenger side of the carb allowing the cable to ride in the slot in the plate and then turn the throttle plate clock wise allowing the threaded end of the cable to fit into the lower round hole of the throttle cable connection plate. See Fig. #3 16. Make sure you have a nut on each side of the plate turn the nut on the outside of the plate to take up the slack in the throttle cable then tighten the nut on the inside of the plate. See Fig. #3 17. Push the fuel line onto the fuel inlet on the passenger side of the carb and install the supplied clamp to hold it on. The fuel line will be a little hard to push on. 18. DO NOT ATTEMPT TO INSTALL THE CHOKE CABLE PARTS SUPPLIED IN THE KIT UNTIL AFTER THE CHOKE CABLE ITSELF IS INSTALLED AND READY TO SCREW INTO THE CARBUETOR. 19. To install the supplied choke cable, drill a 3/8″ hole in the dash on the left side of the steering wheel in a location convenient to your left hand. 20. Remove the plastic nut from the bottom of the choke handle on the choke cable. 21. Push the choke cable thru the hole you drilled and then slide the nut over the cable to the inside of the dash and reinstall back on the back of the choke mechanism. Some dash screws maybe needed to be removed to accomplish this

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2008 KTM 50 SX JUNIOR 50 SX OWNER'S MANUAL

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Filed Under (KTM) by admin on 22-10-2010

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Choke Dell’Orto carburetor PHVA 14 DS (50SXJunior) Choke lever [1] is mounted to the right side of the carburetor. If you move the choke lever up to the stop, a hole is opened in the carburetor through which the engine can draw in additional fuel. This results in a “rich” fuel-air mixture required for a cold start. Moving the choke lever back closes the hole in the carburetor again. Choke Dell’Orto carburetor PHBG 19 BS (50 SX) Choke control knob [2] is mounted to the left side of the carburetor. If you pull the choke control knob up to the stop and turn it 90º, a hole is opened in the carburetor through which the engine can draw additional fuel. This results in a “rich” fuel-air mixture required for a cold start. Turning back the choke control knob returns the knob to the starting position and closes the hole in the carburetor again. Kickstarter The kickstarter is mounted on the right side of the engine. Its upper part can be swivelled. Foot brake lever The foot brake lever is located in front of the right footrest. The basic position can be adjusted to the seating position (see maintenance work). Side stand (50 SXJunior) Use your foot to swing the side stand forwards to the stop. Make sure it rests securely on solid ground.

PIAGGIO VESPA ACCESSORIES Top Case

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

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623698M0F2 Gray GTS Top Case 623698M0R7 Dragon Red GTS Top Case 623698M092 Black 94 GTS Top Case 623698M0DE Midnight Blue GTS Top Case 623698M0RI Vintage Red GTS Top Case 602959M GTS Full Chrome Kit 598979 GT/GTS Windscreen 602927M GT/GTS Top Case Bag 602935M0BR GTS Leather Seat 602938M0BR Matching Leather Backrest (for top case)
PIAGGIO VESPA ACCESSORIES – Vespa GTS cont. 23 605108M GT/GTS Flyscreen 602942M Vehicle Lock 602734M GT/GTS Floor Mat 602845M002 Electronic Alarm “E-Power” for GT/GTS

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Scooter VESPA G.S. MAIN SPECIFICATION

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Filed Under (Vespa) by admin on 11-11-2010

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Engine: Single cylinder, two-stroke, with reverse flow scavenge and high volumetric efficiency. Flat cast iron cylinder and pressure die ; cast, special aluminium alloy cylinder head. High strength, steel con. rod connected, trough a row of rollers, with the crankshaft which is built of three parts. Bore 57 min. (2.24°) Stroke 57 mm. (2.24″) Displacement 145.55 cc. (8.82 cu in.) Compression ratio 7 to 1 Starting: By means of kick-starter, right hand side of scooter. Transmission: Directly from engine to rear wheel through clutch, cush drive and gear box. . Fig. 02 – VESPA controls 1 – Fuel cock 2 – Throttle control grip 3 – Clutch control lever 4 – Front brake lever 5 – Horn 6 – Horn button 7 – Dimmer switch 8 – Gear change twistgrip 9 – Contact key 10 – Rear broke pedal 11 -Kick- starter 12 – Choke ro Gear change: 4 – speed drive with mesh gears in oil bath. Its adjustable twistgrip control is coupled with that of the clutch, on left hand side of handlebars (fig. 2). Clutch: Wet type; steel plates with cork inserts. Control by lever, on left hand side of handlebars, and adjustable cable. Ignition: By 6-pole flywheel magneto. Separated ignition coil with primary circuit fed by another coil inside the flywheel magneto. Lighting and horn: By flywheel magneto, with a. c. directly feeding head lamp (double filament bulb, 6 v, 25/25 w), and tail lamp, 6 v, 5w, when the switch is in position “2″. The town light (6 v, 3 w), tail lamp, STOP light and horn are fed by the 12 Ah battery, which is constantly re-charged through a metallic rectifier and impedance, when the key of the switch is in either position “0″ or “1″ (see Fig. 3). Frame: of special, thick steel sheet, pressed and spot welded, with streamlined monocoque type structure. Suspension: Front: stub axle and swinging hub with variable rate coil spring and double action hydraulic damper. Rear: swinging bracket for engine and wheel, with variable rate coil sprang and co-axial double action hydraulic damper.

VESPA GTS 250 i. e. EXHAUST MANIFOLD REPLACEMENT

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Filed Under (Vespa) by admin on 11-11-2010

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VE SPA GTS 250 i. e. EXHAUST MANIFOLD REPLACEMENT To replace the exhaust manifold, order part number 872659 as spare part following standard proceedings. OPERATION PROCEDURE The above picture references the old exhaust flange and the replacement exhaust flange kit part number 872659. Replacement Old Page 5 of 16 With the complete exhaust system removed from the vehicle remove the lambda sensors. Refer to page 88 and 89 of your Vespa GTS workshop manual for exhaust removal. Loosen the 13 mm bolt to loosen the clamp. Bolt Remove lambda sensor Page 6 of 16 Remove the header pipe from the exhaust box. Remove the exhaust packing and clamp. Remove exhaust manifold Gasket Clamp Page 7 of 16 Once all packing is removed check and make sure all surfaces are clean. This will help the installation of the exhaust gasket. Install the new clamp supplied with the kit, but do not tighten down at this point. Fit the exhaust gasket onto the new manifold. Push the new exhaust gasket in with the manifold until fitted all the way down to the flange. Check surfaces. Manifold Gasket Clamp Flange Page 8 of 16 Replace the lambda sensor and tighten down to 40- 50 Nm (29.5 -36.8 ft lbs. ) .

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Vespa GTS 250 exhaust system SERVICE INSTRUCTIONS

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

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to replace the exhaust manifold, order part number 872659 as spare part following standard proceedings. OPERATION PROCEDURE The above picture references the old exhaust flange and the replacement exhaust flange kit part number 872659. Replacement Old
Page 5 of 16 With the complete exhaust system removed from the vehicle remove the lambda sensors. Refer to page 88 and 89 of your Vespa GTS workshop manual for exhaust removal. Loosen the 13 mm bolt to loosen the clamp. Bolt Remove lambda sensor
Page 6 of 16 Remove the header pipe from the exhaust box. Remove the exhaust packing and clamp. Remove exhaust manifold Gasket Clamp Page 7 of 16 Once all packing is removed check and make sure all surfaces are clean. This will help the installation of the exhaust gasket. Install the new clamp supplied with the kit, but do not tighten down at this point. Fit the exhaust gasket onto the new manifold. Push the new exhaust gasket in with the manifold until fitted all the way down to the flange

Vespa GTS250IE/ GTV250IE exhaust system installation Manual

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

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1. Remove the stock Silencer. 2. Put enclosed clamp band to the TiForce tail pipe. Lightly attached the assembled tail pipe to the head pipe. 3. Insert the enclosed TiForce can to the lightly attached tailpipe section. Put the silencer band and rubber to the can. Jiggle the whole assemble for better fitment. Lightly attach the assembled silencer section (see Fig. 1) by enclosed aluminum collar, cap bolt (M8x75mm) and M8 large washer. 4. Make sure the exhaust pipe and silencer are free and clear, if necessary jiggle the system to adjust for proper clearance. 5. Securely fasten the tailpipe section followed by the assembled silencer. 6. Attach enclosed spring to the silencer joint. 7. Using some brake and contact cleaner on a clean rag, carefully wipe down the entire exhaust system to remove any residual oils, anti seize, fingerprints and dirt prior to starting the motor. FAILURE TO CLEAN THE TUBING AND CAN MAY RESULT IN PERMANENT STAINING OF THE SYSTEM WHEN HEATED. 8. Make sure all bolts and nuts are securely fastened. Start the motor and check for exhaust leaks. End

HSR Carburetor Total Kits Installation And Tuning Manual

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Filed Under (Tips and Review) by admin on 31-10-2010

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1. Disconnect the battery ground wire from the battery. 2. Turn the fuel petcock to the “OFF” position. 3. Elevate the rear of the fuel tank for better access to the carburetor area. 4. Remove the coil, horn or other devices on the left hand side of the engine to allow free access to the intake manifold bolts. 5. Remove the complete air cleaner assembly, including the backing plate. 6. Disconnect any vacuum hoses and the fuel hose from the stock carburetor. 7. Disconnect the choke cable from the frame. 8. Remove the stock carburetor. 9. Evo: remove the stock manifold. 10. Twin Cam: unplug MAP sensor, remove manifold and then remove the MAP sensor from the manifold. Installation: Intake Manifold: Twin Cam only: Install MAP sensor in Mikuni manifold. 1. Attach the Mikuni manifold to the engine. Align the manifold before tightening the bolts. The flange surface of the Mikuni manifold should be parallel with the front of the engine’s cam cover. Use a level or angle meter to check this. Tighten the manifold bolts. 2. Attach the rubber flange to the Mikuni manifold with the 5/16″x3/4″ bolts and washers. To ease installation, use liqiud detergent to lubricate the manifold seals. Choke: Evo: We recommend that you use the Mikuni choke cable that is furnished with the carburetor. However, you can use the stock Harley cable (’90-’99 models only) if you follow the Twin Cam choke cable instructions. Twin Cam: 1. Remove the Harley choke cable from the stock carb. 2. Remove the Harley spring and plunger from the Harley choke cable. 3. Remove the Mikuni spring and plunger from the Mikuni carburetor. 5. Install the Mikuni spring and plunger onto the Harley choke cable. Change nothing else; be sure to use the Harley plastic nut, not the Mikuni nut. 6. Install the new assembly into the Mikuni. Be careful to only gently tighten the plastic nut.

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