really so how come alot of people use them with ordinary fuel with no probs ?? and do you reckon oem piston would be ok with that engine
'cos they're prats. 'OOO look at me I've got a high comp piston...' what they don't realise is, it'll make feck all difference to power and it's a waste of money unless they use 98+ octane fuel - Infact, GYTR put in their requirements when selling their high comp pistons that they 'MUST be run on 100+ octane race gas'. If ya don't believe me ask Benny, he is/was running a high comp piston and had to run it on higher octane fuel.
OEM will be fine IMO. I looked into a load of different high spec cylinder heads and although a lot chose a high comp piston, noticeably GYTR actually made a race bike for MXA with a super high spec cylinder head that ran an OEM piston in (to keep fuel costs down) without any problems. If it's good enough for them, I'm sure it's good enough for you!
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Wossner are meant to be very good. And if you want a high-comp match the high spec cylinder head then that's cool yo! as long as you can still run it on normal fuel.
Personally, I'd still run OEM though, but that'd be my choice.
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