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Motorcycle Guide

AMSOIL for motorcycles

Motorcycles can place engine oil under high heat and, depending on the design, may share lubricant between the engine, transmission and wet clutch. Start with the motorcycle manufacturer's requirements and AMSOIL's dedicated motorcycle lookup.

Motorcycle guide graphic
Motorcycle Maintenance

Motorcycle oil has more than one job

Many motorcycles place the engine, transmission and wet clutch in the same lubricant system. That means the correct oil must satisfy the motorcycle manufacturer’s viscosity and performance requirements while working with the clutch and gearbox design.

Metric & sport bikes

High engine speeds, shared sumps and wet clutches can make motorcycle-specific performance requirements important.

V-Twin motorcycles

Some V-Twin designs use separate fluids for the engine, primary and transmission. Treat each component as its own lubrication decision.

Seasonal storage

Motorcycles that sit through winter benefit from a complete maintenance check before storage and again before returning to service.

Match the oil to the motorcycle, not just the viscosity

Two oils can share the same SAE viscosity while carrying different performance characteristics. Use the exact motorcycle year, make, model and engine when selecting an AMSOIL product.

Motorcycle FAQ

Can car oil be used in a motorcycle?

Only when it meets every requirement specified by the motorcycle manufacturer. Wet-clutch applications can make the choice more restrictive.

Do engine, primary and transmission fluids always match?

No. Some motorcycles use one lubricant for multiple components while others specify separate products. Follow the component-specific recommendation.