Vlmark Posted December 18, 2020 Report Share Posted December 18, 2020 (edited) Just fitting a piston on a gasgas pro250 2006 and it looks like the little end could slide around 5mm either side on the pin out the rod when complete. Is that right, what stops it moving. Edited December 18, 2020 by Vlmark Adding detail Quote Link to comment Share on other sites More sharing options...
wobblenorbed Posted December 18, 2020 Report Share Posted December 18, 2020 The cylinder? Quote Link to comment Share on other sites More sharing options...
Vlmark Posted December 18, 2020 Author Report Share Posted December 18, 2020 Sorry, when the piston is fitted to the rod and the circlips are in, you could slide the little end around 5mm on the gudgeon pit. There's nothing to stop it. Quote Link to comment Share on other sites More sharing options...
b40rt Posted December 19, 2020 Report Share Posted December 19, 2020 (edited) 15 hours ago, wobblenorbed said: The cylinder? What he said, when the piston is in the bore it may not move, check that first. Edited December 19, 2020 by b40rt Quote Link to comment Share on other sites More sharing options...
Creepytheclutchmaster Posted December 20, 2020 Report Share Posted December 20, 2020 It's normal, seems to be the same on all the bikes iv ever worked on motocross and trials. most pistons are forged so once the gudgen pin is fitted the little end bearing can't make its way out by has side play,I always used to think there should be a couple of small bearings in there taking up the space. I assume the bearing must just centre itself in the conrod end in how its designed. Quote Link to comment Share on other sites More sharing options...
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