Primary Oil

 Formulated for primary chains and wet clutches  Wear protection extends primary chain life  Prevents clutch slipping and chatter for consistent engagement  Distinctive red color for leak detection  For Big Twin, air-cooled...

PRIMARY CHAIN CASE OIL Smooth clutch action, less slippage Extends chain and sprocket life Delivers cooler and quieter operation Designed for heavy duty, high performance application Meets or exceeds all OEM requirements

Same fluid as our famous MTL gear oil This product is for use in the primary chaincase with wet-diaphragm spring clutches. Improves clutch operation while reducing wear and temperature For 1984-to-present V-Twin American motorcycle engines,...

Maxima Racing Oil - 40-05901 - V-Twin Synthetic Primary Oil - 1 US quart Features MSDS Migration Data A high-quality, full-synthetic ester-based motorcycle gear oil formulated for high-performance transmissions and primary chain cases Designed for...

Maxima Racing Oil - 40-04901 - V-Twin Primary Drive Oil - 1 U.S. quartFeaturesMSDS Migration DataDesigned for use in all 84-up Big Twin models with wet diaphragm spring clutchesFormulated specifically for high-performance V-Twin transmissions and primary...

Klotz Oil - KH-C80 - Primary Chain Case Lube - 80W-90 - 1 U.S. quartFeaturesMSDS Migration DataProtects against primary chain wearPenetrates deep into chain rollers to loosen stiff links and extend chain and sprocket lifeReduces clutch temperature,...

S&S Cycle - High-Performance Full-Synthetic Primary Oil fits Big Twin Models - 1 U.S. Quart Features: Advanced additives extend chain life Full-synthetic formula resists shear and extends life For use in Big Twin primaries Available in 1-quart...