all around 115psi
but before installation i cut piston rings ,
it can be lower than original ,
before i have oem pistons with 2mm spacer
do you know what i have to do about ignition retard sportbikeryder ?
i went to dyno last week and we tuned approx 280 bhp but , tuners said to me head studs and cam sprockets must be change.
still waiting parts. as soon as possible i will sent the graph
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