bondy Posted August 12, 2011 Report Share Posted August 12, 2011 hi when fitting pistin rings to my 199A do they face upwards with the groov in them? allso the thiner off the to goses on the bottom is this right? daft question but im just making sure i know about the arrow on the piston it faces foward. and the rings close on the notices. one other thing is the bike had loads of compretion and ran sweet so will it be ok to put the old rings and top end bearing all back together witch all look good? Quote Link to comment Share on other sites More sharing options...
feetupfun Posted August 12, 2011 Report Share Posted August 12, 2011 Different pistons have different design rings. It's very hard to tell what you have there from your description but maybe one ring is shaped like an "L" in cross section? and the other is not? If the rings are different then the grooves in the piston should be different too - more info needed here Quote Link to comment Share on other sites More sharing options...
bondy Posted August 12, 2011 Author Report Share Posted August 12, 2011 Different pistons have different design rings. It's very hard to tell what you have there from your description but maybe one ring is shaped like an "L" in cross section? and the other is not? If the rings are different then the grooves in the piston should be different too - more info needed here hi yes they both have the L shape Quote Link to comment Share on other sites More sharing options...
feetupfun Posted August 12, 2011 Report Share Posted August 12, 2011 Ok what do you mean by "allso the thiner off the to goses on the bottom is this right" Quote Link to comment Share on other sites More sharing options...
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