big bore cylinder barrel kit yamaha yn50 yn 50 1998 2009 KTM Superduke 990 Yamaha XT 500 (Europe) (1986)

Yamaha XT 500 (Europe) (1986)

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Bore Size: 52mm Standard

To replace: 30500-KZ4-003/ 30500-KZ3-700 / 30500-KZ3-890

This set of taper roller bearings is designed to replace the original set of steering stem bearings on an F 800 GS for the years shown above

big bore cylinder barrel kit yamaha yn50 yn 50 1998 2009 KTM Superduke 990 Yamaha XT 500 (Europe) (1986)Brand new big bore cylinder barrel kit to fit: Yamaha YN 50 R Neo's (1998 2001). Yamaha YN 50 Neo's (2002 2009). This cylinder kit is an upgrade on the original Yamaha YN50 for the years and models shown above. The top end will go from 50cc to 70cc. This kit includes: cylinder (barrel jug) cylinder head piston kit gaskets To replace OEM cylinder: TBC Minarelli Horizontal 2T A C (Air Cooled) Engine.