powellriver315 Posted September 26, 2006 Report Share Posted September 26, 2006 98 315 never been freshend. is it standard practise to bore and replace piston or is simply replacing the piston and ring ect. the way to go? it's not a high value mint bike so what's your take? Quote Link to comment Share on other sites More sharing options...
boydw Posted September 26, 2006 Report Share Posted September 26, 2006 Check the barrel definately, and ring sandifords. As you can usually just put a bigger piston in, unless you have the largest barrel, alternatively sandifords usually have 2nd hand barrels! I had a friend who had a 98 model it sounded a right pig, he put new piston and rings in, and it ran for 3 years perfectly - all for about Quote Link to comment Share on other sites More sharing options...
ham2 Posted September 26, 2006 Report Share Posted September 26, 2006 (edited) To Bore Or Not To Bore.................. Oops, sorry ..thought this was another Mich-Lin post! Yes , according to the montesa bible you are supposed to change that piston every 6 months. Never met anyone who did though! Edited September 26, 2006 by HAM2 Quote Link to comment Share on other sites More sharing options...
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