Tip & How-To about Motorcycles
Quite often the reason for a leaking floatbowl on a carburettor is the swelling or mis-alignment of the rubber O-Ring. This can happen when fasteners are not tensioned in a proper sequence or are unevenly tightened.
After removing the floatbowl, the rubber gasket if dislodged at all often does not sit snugly back into the small groove. Carefully wash rubber gasket in soapy warm water and allow to dry in the sun or low heat. When completely dry, place rubber gasket in a freezer whilst servicing carburettor(s), this will allow all excess sweeling to subside and easilly fit the floatbowl's grooved gasket lip. Be sure to tighten retaining screws in a diagonal fashion to the same tension till all are tight. Cheers.
Fig. Fig. 3: Camshaft bearing cap tightening sequence-DOHC engines
Fig. Fig. 4: Camshaft bearing cap sealant application-DOHC engines
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