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Allowed gap of piston ring - R51/3;
Posted: Thu 1. Sep 2005, 09:32
by Michael Steinmann
Hi. What is Allowed tolerance of the gap at an R51/3 piston ring? Thanks.
Re: Allowed gap of piston ring - R51/3;
Posted: Sat 3. Sep 2005, 15:51
by Garnet Grylls
The ring gap for the R50 and R60 is 0.25-0.40 mm. The R51/3 and R50 use different compresion pistons but are both the same bore and both 5 ring pistons.
Re: Allowed gap of piston ring - R51/3;
Posted: Sun 4. Sep 2005, 09:18
by Gerry Douglas-sherwood
The BMW Workshop Manual states the end gap as 0.2 - 0.4mm for the R51/3
Re: Allowed gap of piston ring - R51/3;
Posted: Mon 5. Sep 2005, 03:44
by Michael Steinmann
Thanks !