Keihin Service Manual
Created Date: 4:44:53 PM. CH6 Keihin 15 757 09-S 15 757 07-S 15 757. This is a PRELIMINARY copy of the. For additional service and repair information see the appropriate service manual for. KEIHIN CIR-SPECIAL OWNER'S MANUAL Available SUDCO INTERNATIONAL CORP., the KEIHIN (prmounced KAY-HEEN), CR- SPECIAL dloice the carburacrs r.mse idle to thrcttle 'hile making uith. Shop Manual Phillips-head. This article discusses Keihin CVK32 carburetor maintenance, but incorporates principles common to other models as well. Classic Cycles Technical Resources. Moisture in the fuel is the most common source of contamination. Water may enter the fuel tank from condensation alone, never mind. Do the installation work correctly referring to the relative Honda’s genuine service manual for the above-mentioned compatible models. Use a genuine throttle. As thse kits are for use with a stock air cleaner, the carburetor kits for R-stage and regular head won’t exhibit their original high performance. Though a funnel or power filter cannot be.
Front view, compliance fitting side. Left side view. Aft view, branch tubing or intake side. Right side, idle adjustment screw can be plainly seen. Top view looking at diaphragm cap.
Bottom view looking at carb bowl drain. Tools needed to work on Keihin carb. Optional Pin gage set show below is available from When working on the carb, drain the fuel from the bowl.use a 3mm Allen wrench to crack the screw open.catch fuel in a clean container and check for contaminates. You are looking into the front of the carb, the back plate with 2 screws is the butterfly valve.
At 6 o'clock in the mouth of the carb you can see the end of the idle mixture needle poking up. Try not to damage it! The idle mixture screw adjustment is underneath the carb.
Turn the screw very gently CW until you just meet resistance.any further and you will damage the needle. Factory setting is 1.5 turns CCW from seated. If you remove the needle these are the pieces top to bottom.
O-ring, washer, spring and needle. Be very careful not to lose or damage the rubber O-ring! Many times it will remain up in the carb, turned sideways and get crushed when the needle is driven home. Then you are buggered. If you use a long shank Philips screwdriver to break the bottom float bowl screws loose.you won't bugger the heads. Well, some of you will anyway.
Clean any crud from the bowl with solvent. With the float bowl removed you can now see the.float.float needle.main jet.starter jet.and idle jet.
To remove the float and float needle, use a toothpick.to push the pivot dowel out. Lift the float with needle attached out. The needle has a wire loop which slides over the float tab.use caution as it falls off easily and can be damaged. Careful of the tab also, if bent it will change the level of fuel in the bowl. To remove the main jet, hold the air tube steady with an 8mm wrench and use a flat blade screwdriver to unscrew the main jet.
Canon Ir 3100cn Service Manual. If desired, you can remove the air tube and main jet as one unit. Main jet removed. Now remove the air tube with the 8mm wrench. Honda Gcv190 Engine Repair Manual. If you are doing this on the bike expect the needle jet to drop free. Have a towel down to catch it. If the carb is free, hold it right side up and catch the needle jet in you hand.
There are two distinct ends to the needle jet. This end goes in first. The rounded end.goes against the air tube you previously removed. Way down inside here.is the idle jet. It takes a long thin flat blade screwdriver to get it out. It like the rest of the jets is soft brass.
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