thesaint Posted August 19, 2015 Report Share Posted August 19, 2015 (edited) The previous owner told me that i should change/check the piston and piston springs I talked to the company that sells Gas Gas trial motorbike here where i live and they told me that i did not need to cange piston or piston rings on a Gas Gas What do you think about this? Edited August 19, 2015 by thesaint Quote Link to comment Share on other sites More sharing options...
suzuki250 Posted August 19, 2015 Report Share Posted August 19, 2015 (edited) no need to change them unless there is a problem, they should last years (if you keep your air-filter clean & oiled) Edited August 19, 2015 by suzuki250 Quote Link to comment Share on other sites More sharing options...
60north Posted August 19, 2015 Report Share Posted August 19, 2015 as said above, do a compression first and as a ballpark figure from when i rebuilt my engine was 195psi after rebuild, and 120psi before rebuild. the piston and rings are no longer available from gasgas, but you can fit S3 piston then have cylinder re-plated to suit new piston Quote Link to comment Share on other sites More sharing options...
nickyburnell Posted August 19, 2015 Report Share Posted August 19, 2015 Gas Gas UK told me pistons are available today 1 Quote Link to comment Share on other sites More sharing options...
shercoben12 Posted August 20, 2015 Report Share Posted August 20, 2015 gasgas uk still supplying all parts !! Quote Link to comment Share on other sites More sharing options...
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