O-ring,58.5x3.5 Cb650sc Nighthawk 1985 (f) Usa

Renewing O-rings when they must be removed and replaced, will make doubly sure the seal is maintained. The old one may seem O.K, but heat and pressure after tightening, will make them brittle and hard.
To help you order the correct quantity and type of seals, gaskets and other consumables, why not check our online schematic which will list everything you need for a successful overhaul.
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Pro-workshop gasket sealant: 08C70K0234M to complete the job like a professional.