the “spring washer” on the outside of the sprocket was not holding the sprocket tight

00/01 Enduro KTM 400 MXC 400 C

Bel-Ray Thumper Racing Synthetic Ester Blend 4T Engine Oil is a 4-stroke motorcycle racing oil that combines the finest quality synthetic esters and highly-refined mineral base oils specifically engineered for today’s 4-stroke single cylinder

Ideal for use in high dust areas such as desert terrain

Design to increased sealing efficiency with reduced friction

NGK - Iridium IX Spark Plug For KTM, Kawasaki, Polaris (BR8EIX-SOLID) Option:BR8EIX-SOLID the “spring washer” on theIridium IX Spark Plugs are the most technologically advanced high performance plugs available. Featuring a 0. 6 mm iridium center electrode tip, they offer superior ignitability without sacrificing durability. The tapered ground electrode increases flame kernel expansion, while the superior heat range design is ideally suited to the demands of high performance environments. Specially designed to meet the needs of serious enthusiasts, Iridium IX Spark