Scrubtherubber Posted June 28, 2013 Report Posted June 28, 2013 So took the head off to install a new head from fast first of I'm happy these pistons are so clean looking but are they stock bore ? Quote
Scrubtherubber Posted June 29, 2013 Author Report Posted June 29, 2013 sorry i tried to upload from my phone and it didnt work Quote
Young Guns Racing Posted July 1, 2013 Report Posted July 1, 2013 Hmm I dont think so. Stock pistons usually have more markings on them (if i am correct). All the Pro-X pistons do and those are OEM manufactured for yamaha. Anyhow go to harbor freight or some other cheap tool store and buy a set of calipers. You'll spend like $20 and you'll have them to come in handy! Quote
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