Stage6 V-Force 3 Reed Valve by Moto Tassinari KX85


Category: SKU: S6-3219003 Tag:


Reed Valve Stage6 V-Force 3 by Moto Tassinari KX85, developed in cooperation with Moto Tassinari, for AM6, Derbi and Minarelli vertical and of course Kawasaki KX85.

The V-Force reed valve is much more efficiently than the original version, gas flow and as a result cylinder filling is improved especially at low revs. The unique V-shaped design with double reed tip surface (8 petals) increases and optimizes fuel-air-mixture flow and cylinder filling. This in turn leads to better engine response and acceleration. 


  • VForce 3 by Moto Tassinari reed valve
  • carbon petals
  • for Kawasaki KX850; Derbi / AM6 (50cc manual geared moped) ; Minarelli horizontal like Yamaha Aerox (scooter)

Originally these reed valves were designed for Kawasaki KX85 motocross bikes. The can also be used with other 50cc bikes, a few modifications have to be made depending on the type:

  • Minarelli horizontal: crankcase has to be opened a little or use an adapter / spacer (MXS-012ET001).
  • AM6 and Derbi: add a spacer under reed valve

Additional information

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