Others prioritize racing performance, with additives that reduce wear on the big end and cylinder walls during high-RPM operation. Selecting the correct lubricant for a Harley-Davidson is the single most important factor in ensuring the longevity and performance of the engine.
Essential Break-In Oil for Harley Davidson Engines
Maintenance Best Practices and Change Intervals Beyond the base oil and certifications, additives define the character of the lubricant. Some oils are designed to enhance the legendary Harley rumble by adjusting the friction characteristics slightly to improve clutch modulation.
During this period, the oil should be changed more frequently, as metal shavings from the new components will circulate in the lubricant before settling. These modifiers, while beneficial for fuel economy in cars, create a slippery surface on the clutch plates in a Harley, leading to slippage, overheating, and eventual failure.
Essential Break-In Oil for Harley Davidson Engines
JASO MA certified oils are formulated to provide the necessary friction for the clutch to engage positively while still protecting the engine. They resist thermal breakdown, flow better in cold weather, and last significantly longer between changes, making them ideal for high-performance applications or bikes subjected to extreme riding conditions.
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