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Reviews (1)
02 June 2016
Last the life of the bike
This rad valve is on all my two stroke engines bikes ATVs outboards and sleds. It won't crack and lean out the motor like stock or Vfource3. Vf3 are also made by mototansinari so paying for a lesser product from the same company makes no sense to me.
When I recently rebuilt my 1998 cr250 I replaced the stock Reed system with boyseen Rad valve. I gained big time bottom end with little to no change in mid or top pull but a sharper snap. Just made a bike I was 100% happy with even easier to ride in tight spots.
All the components are available for service parts individually and I have never had any jetting changes needed. That means even more power is available for the extreme tuner and true bolt on performance for myself.
100% satisfied