6 - 6CARBCARBURETOR8.Check: Free movement (piston valve)Sticks → Replace the piston valve guide andthe piston valve.Insert the piston valve into the carburetorbody, and check for free movement.9.Check: Free movement (throttle valve)Sticks → Replace.ASSEMBLING THE CARBURETORCAUTION:Before reassembling, wash all of the partsin a clean petroleum-based solvent.1.Measure: Float height aOut of specification → Adjust.*****************************************************Measurement and adjustment steps: Hold the carburetor in an upside downposition. Measure the distance from the matingsurface of the float chamber (gasketremoved) to the top of the float.NOTE:The float arm should be resting on the needlevalve, but not compressing it. If the float height is not within thespecification, check the valve seat andneedle valve.Float height (F.H.):13 mm (0.51 in)
