89 xr 100 .50 over piston clearence

[TRI-Zbrian]

hey guys im rebuilding a little 89 xr 100 dirtbike... any way i have a honda .50 over piston for it but lost the paper work on it... im getting it bored out but the shop needs to know the piston clearence... to do it... please help me out asap...

[MTS]

Stock honda piston or wiseco?

[TRI-Zbrian]

its a stock honda piston just a 50 over version but its an oem honda piston just a factory 50 over...