PRO-166 BOYESEN PRO REEDS, Boyesen Pro Series Reeds - PSR166

Boyesen Pro Series Reeds PSR-166 are replacement reed petals for compatible Boyesen RAD Valve assemblies on two-stroke off-road motorcycles. This set is designed to control intake flow through the reed valve, helping the engine respond accurately to changes in piston speed and supporting consistent throttle response across the powerband.

Features

• Replacement Pro Series reed set for Boyesen RAD Valve applications
• Multi-stage reed design for controlled intake response
• Low-tension top reeds support instant throttle response
• Intermediate reeds support mid-range responsiveness and pull
• High-tension base reed supports reed stability during high RPM operation
• Suitable for off-road two-stroke motorcycle use
• Intended for RAD Valves with a part number stamped on the side of the valve

Specifications

• Product name: Reed petal
• Type: Dual stage
• Model: Pro Series
• Material: carbon fibre top reed with fibreglass/epoxy bottom reed
• Base colour: yellow
• Colour: gold
• Units: set
• Riding style: off-road
• Package height: 0.39 in
• Package length: 10 in
• Package width: 5.51 in

Cross-Reference OEM Part Numbers

• PRO-166
• PSR-166
• PSR166

Vehicle Fitments

Honda

• CR125R (2002)