Motorcycle Mechanic how-to
How to Check and Adjust Valve Clearance
Valve checks are part of major service intervals on many engines.
Quick answer
Valve checks are part of major service intervals on many engines. In short: let; remove; rotate, then complete the remaining steps below.
Step by step
Let the engine cool completely.
Remove the valve cover and spark plugs.
Rotate the engine to top dead center on the compression stroke.
Measure clearance with feeler gauges.
Adjust shims or screws to specification.
Reassemble with new gaskets and torque bolts correctly.
Safety reminders for motorcycle mechanics
- Secure bikes on stands and lifts before working
- Wear full riding gear for test rides
- Torque critical fasteners and double-check brakes before rides
- Handle fuel and solvents in ventilated areas
Key terms
Valve clearance · Chain slack · Final drive · Fork seals · Sag · EFI: see the full motorcycle mechanic glossary.