Reed Valve Set for Yamaha DT100 DT125 DT175 RD350 RD300 RD250

Reed Valve Set for Yamaha

This reed valve set for Yamaha controls the flow of air-fuel mixture into the combustion chamber on two-stroke motorcycle engines.

Overview

This reed valve set for Yamaha ensures proper crankcase pressure and cylinder charging for classic two-stroke bikes. Featuring flexible, responsive petals, this reed valve set helps maintain sharp throttle response. It is designed for vintage motorcycle enthusiasts and mechanics rebuilding intake systems.

Built For Performance

• Constructed with resilient reed petals for responsive opening and sealing
• Durable frame assembly resists heat and chemical degradation from fuel
• Precisely manufactured dimensions ensure a tight seal against the intake tract
• Designed to optimize air-fuel flow velocity into the engine crankcase

Fits These Machines

• for Yamaha DT100
• for Yamaha DT125
• for Yamaha DT175
• for Yamaha RD350
• for Yamaha RD300
• for Yamaha RD250

On-The-Job Use

• Restores crisp throttle response during vintage motorcycle restoration
• Prevents fuel backflow into the carburetor during high-RPM operation
• Replaces worn, chipped, or fatigued reed petals during engine rebuilds

Specs At A Glance

Good To Know

Q: What are the signs of worn reed valves? A: Signs include hard starting, poor idling, spit-back through the carburetor, and a general loss of low-end power.

Q: Can I replace just the petals on this assembly? A: Yes, the petals are held in place with screws and can be replaced if the main valve body remains in good condition.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.