Moto Tassinari V303-FM VForce3 Reed Valve For 1989-1996 Yamaha YZ250 SKI-DOO-Alpine-II-1989 1970 Ski-Doo TNT 292

1970 Ski-Doo TNT 292

2021 Ski-Doo Skandic 600 Sport EFI

Replaces OEM # 420667490

1992 Arctic Cat Cougar 440 L/C

10 hour operating time

Moto Tassinari V303-FM VForce3 Reed Valve For 1989-1996 Yamaha YZ250 SKI-DOO-Alpine-II-1989 1970 Ski-Doo TNT 292Moto Tassinari V303 FM VForce3 Reed Valve For 1989 1996 Yamaha YZ250 Applications: Yamaha YZ250 Model Years: 1989 1996 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 10+ years. The simple premise of the VForce3 reed valve system is to increase engine power and throttle response by increasing the efficiency over a conventional reed valve design.