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The Cometic .027" head gasket kit for 1998-2003 Yamaha YZF-R1 (77mm bore) provides a precise cylinder seal for routine rebuilds and demanding use. Cometic validates gaskets with in-house dynamometers and engine assembly rooms to ensure consistent quality. Street, track and dyno testing supports reliable sealing and fitment during high-load operation.
Cometic 98-03 Yamaha YZF-R1000 77mm .027 Gasket Kit
