MAXIMA Primary V-Twin Synthetic Oil 1 Quart, Part Number 40-05901

MAXIMA Primary V-Twin Synthetic Oil is a full synthetic, ester-based motorcycle gear oil formulated for use in high-performance V-Twin transmissions and primary chain cases. Part number 40-05901 is designed for 1984 and newer Harley-Davidson® models with wet diaphragm spring clutches.

Its shear-stable formula provides protection against wear, pitting, and spalling while supporting reliable drivetrain performance. The oil helps promote optimal clutch engagement, prevent slippage, and minimize clutch wear during operation.

MAXIMA Primary V-Twin Synthetic Oil also helps extend chain life by minimizing stretch and wear. This product is supplied in a 1-quart size for motorcycle maintenance applications.

Features:

• Formula: Full synthetic, ester-based motorcycle gear oil
• Application: Formulated for high-performance V-Twin transmissions and primary chain cases
• Vehicle Use: Designed for 1984 and newer Harley-Davidson® models with wet diaphragm spring clutches
• Protection: Shear-stable formula helps protect against wear, pitting, and spalling
• Clutch Performance: Helps ensure optimal clutch engagement, prevent slippage, and minimize wear
• Chain Life: Helps minimize chain stretch and wear
• Brand: MAXIMA
• Part Number: 40-05901