Andyb1987 Posted December 30, 2017 Report Share Posted December 30, 2017 Hi all new to forum and to trials recently acquired a montesa 315r 1999 currently stripped down for rebuild but in need of piston and rings I know the oem rings are discontinued and that where I need help what are my options going forward any knowledge infomation greatly appreciated. Thanks in advance Quote Link to comment Share on other sites More sharing options...
oldaz Posted January 1, 2018 Report Share Posted January 1, 2018 On 31/12/2017 at 10:02 AM, Andyb1987 said: Hi all new to forum and to trials recently acquired a montesa 315r 1999 currently stripped down for rebuild but in need of piston and rings I know the oem rings are discontinued and that where I need help what are my options going forward any knowledge infomation greatly appreciated. Thanks in advance Just a simple question, why not machine the piston to accept a commonly available ring-set? In Australia we have many places where you can buy rings to suit all sorts of applications, so as long as you can find some of suitable diameter, you can usually get the ring grooves machined to suit - or am I missing something?? Quote Link to comment Share on other sites More sharing options...
dwayne Posted January 16, 2018 Report Share Posted January 16, 2018 Search for '315 pistons', on this forum, all the links you need are there. Quote Link to comment Share on other sites More sharing options...
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