pete79 Posted June 20, 2009 Share Posted June 20, 2009 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 Link to comment Share on other sites More sharing options...
mike1949 Posted June 20, 2009 Share Posted June 20, 2009 ypvs kit for a 1990 yam tzr 125 pete Try to talk in plain English Link to comment Share on other sites More sharing options...
bennyb Posted June 22, 2009 Share Posted June 22, 2009 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 Link to comment Share on other sites More sharing options...
petrol_head Posted June 22, 2009 Share Posted June 22, 2009 I've got a servo for sale if you want one mate. £40 posted. PM me if you're interested. Link to comment Share on other sites More sharing options...
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