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yorkie_chris · 07-07-08, 02:49 PM

If it's a butterfly valve in the exhaust then yes!

Yamaha did the YPVS valve on their 2 strokes... to vary the exhaust port height... kwak had the KIPS valve... cagiva now has CTS valve ... loads of acronyms ... same thing.

07-07-08, 02:49 PM	#6
yorkie_chris Noisy Git Mega Poster Join Date: Apr 2007 Location: Halifax/Leeds Posts: 26,645	Re: faulty H-VIX system If it's a butterfly valve in the exhaust then yes! Yamaha did the YPVS valve on their 2 strokes... to vary the exhaust port height... kwak had the KIPS valve... cagiva now has CTS valve ... loads of acronyms ... same thing.