rkooienga Posted January 8, 2020 Report Posted January 8, 2020 I am throwing in some forged pistons into My 2001 Rm 125 and I wasnt sure what cylinder wall to piston clearance should be at max. What is the min-max clearance? Quote
gusto Posted January 8, 2020 Report Posted January 8, 2020 Did you have your cylinder bored out? You could be just wasting money if your throwing another piston in Quote
Deets Posted January 8, 2020 Report Posted January 8, 2020 3 hours ago, rkooienga said: I am throwing in some forged pistons into My 2001 Rm 125 and I wasnt sure what cylinder wall to piston clearance should be at max. What is the min-max clearance? Piston manufacturer should specify. Quote
rkooienga Posted January 16, 2020 Author Report Posted January 16, 2020 I was running the old piston and if it was within spec for the wall to piston clearance then im going to run it agian. The piston is a forged 55.5mm piston and its at like 55.36-55.4 range. so I just want to know what a forged piston usually runs for cylinder wall to piston clearance Quote
Deets Posted January 17, 2020 Report Posted January 17, 2020 (edited) 2 hours ago, rkooienga said: I was running the old piston and if it was within spec for the wall to piston clearance then im going to run it agian. The piston is a forged 55.5mm piston and its at like 55.36-55.4 range. so I just want to know what a forged piston usually runs for cylinder wall to piston clearance .002” is common Its what was specified on some custom pistons I’ve used. Also have seen .00185 Edited January 17, 2020 by Deets Quote
Deets Posted January 25, 2020 Report Posted January 25, 2020 On 1/17/2020 at 11:44 AM, trickedcarbine said: Nikasil bore? Were you asking me or the OP? I’ve never messed with much other than Nikasil bores or similar Quote
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