Hi

i was wondering if anyone could help i`m looking for the full ypvs kit for a 1990 yam tzr 125 been looking on ebay they dont seem to turn up often or if they do they have most bits missing i.e the ypvs control box could anyone point me in the rite direction to find one shops dealers breakers anywhere !! i will pay what ever price to get this.

thanks for taking the time to read this post

pete

ypvs kit for a 1990 yam tzr 125

pete

Try to talk in plain English

hi, he means Yamaha power valve system control box, the yvps is a little cylinder shaped valve in the head which opens up at about 5,000+ rpm which basically opens up the exhaust port

I've got a servo for sale if you want one mate. £40 posted. PM me if you're interested.