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Ships within 48 hours · Estimated delivery Jul 26 - Jul 31
Viscosity SUS @ 210°F 60
This powervalve base can only be used in combination with the power valve + axle part number DA31028
Comes with tank bolt washer and seat washer (as seen in photo)
Offer high quality M-style cages
Yamaha YZ250 YZ250X 1997 2025 Moto Tassinari VForce4X Reed Valve Kit V4X07EM 2026 Viscosity SUS @ 210°F 60100% Genuine Moto Tassinari Product! BEWARE: Counterfeit V Force (click & check) Made in the USA Part no: V4X07EM Moto Tassinari is the manufacturer of the AIR4ORCE tunable intake system for four stroke motorcycles, and the VForce reed valve system for two stroke motors. The VForce reed valve system by Moto Tassinari has been the reed valve system of choice by anyone serious about two stroke engine performance for the last 25+ yrs. The simple premise