Royal Purple Synthetic Gear Oil is formulated for superior performance, this advanced synthetic oil provides unmatched protection and efficiency for high-stress gear systems. Its proprietary Synerlec technology enhances film strength, reducing wear and tear on your Harley-Davidson Big Twin or Sporty while minimizing friction for smoother gear shifts.

Max-Gear’s exceptional thermal stability ensures optimal performance in extreme conditions, whether you're riding through city streets or tackling winding mountain roads. The oil's superior anti-foaming properties maintain consistent lubrication, preventing gear slippage and ensuring reliable operation. With a viscosity rating of 75W-90, it delivers excellent fluidity in both cold and hot temperatures, making it a perfect choice for all riding environments.

Additionally, Max-Gear is designed to extend the life of your gears, helping to reduce maintenance costs over time. Its synthetic formulation provides enhanced cleanliness, preventing sludge buildup and ensuring your motorcycle performs at its best.

Upgrade your ride with Royal Purple Max-Gear 75W-90 Synthetic Gear Oil and experience the difference in power, protection, and performance. Trust in a product engineered for enthusiasts who demand the best for their machines.

Check your service manual for refill quantities. We have many service manuals posted for free on our INFO & RESOURCES page!

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Royal Purple Max-Cycle 20W-50 Synthetic Motorcycle Oil (01316)

Royal Purple Max-Gear 75W-90 Synthetic Gear Oil (01300)