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Showing posts from October, 2018

Nsr250 PGM Spacers

Lazy afternoon at the workshop, turning some spacers for a NH3 PGM unit.








Yamaha SDR200

I had recently repaired - modified a YPVS control unit and also made a custom SDR200 leak down tester tool for Matthew(UK). The Sdr200 is a unique bike with a Trellis frame. The YPVS exhaust valve curve is also unique to this model. 

And here are the YPVS settings, specific to the SDR200 model.