Yamaha E60HWD Service Manual

Also see for 55BET 55DEHD E60HMHD: Rigging guide Rigging guide Service manual

4. Check the pilot screw and needle valvefor bends or wear. Replace if necessary.5. Check the float for deterioration. Replaceif necessary.6. Measure the float height a. Replace thefloat and needle valve as a set, if out ofspecification.NOTE:The float should be resting on the needlevalve 1, but not compressing it.Disassembling the carburetorsNOTE:9 Before disassembling the carburetors,make sure to note the number of times thepilot screw is turned out from the seatedposition to its set position.9 Disassembled jets and other componentsshould be sorted out and kept in order, sothat they can be re-assembled in their orig-inal positions.Checking the carburetors1. Check the air and fuel passages and jets,for dirt and foreign matter. Clean the car-buretor body with a petroleum based sol-vent if necessary.2. Blow compressed air into all passagesand jets.cC9 Direct the compressed air downward,otherwise cleaning solvent may beblown into your eyes or small parts ofthe carburetor may be blown off.9 Do not use steel wire for cleaning thejets, otherwise the jet diameters may beenlarged, which may seriously affectperformance.3. Check the main jet, pilot jet, and mainnozzle for dirt or residue. Clean if neces-sary.69D5G11 4-89876543216D4400256B440040a269D400101CarburetorFloat height a:12.0—16.0 mm (0.47—0.63 in)Digital caliper 2: 90890-06704