sutty Posted August 4, 2006 Report Share Posted August 4, 2006 ive just got a new piston from shirty for my nepews jtx 200 and when it arrived its for the later crankcase induction type with no port holes in the back of the piston when rshirty back about this the chap on the end of the phone said the the port on the back of the piston dont need to be there ???????? well i might be stupid but im shore that with out them the timing will be out and the engine wont perform his ansew to this was if i wanted i could drill a 14mm hole in the back of the piston to cure this as this is whaty they do as shirtys well this is wahat you get off main agent what do you lot think of this icant wait for your replys as im gobsmacked !!!!!!!!!!!! Quote Link to comment Share on other sites More sharing options...
andy m Posted August 4, 2006 Report Share Posted August 4, 2006 (edited) I sold a barrel and piston to a bloke a couple of weeks ago. It was a 250, anyway he came in person to pick it up and the model was exactly the same year etc, He brought his top end to compare. They were exactly the same except that his piston had the port in and mine did not. I havent heard from him so I can only presume all was okay. I reckon the piston was used in something else as well as the GG. Edited August 4, 2006 by bo drinker Quote Link to comment Share on other sites More sharing options...
no1 Posted August 4, 2006 Report Share Posted August 4, 2006 jtx must be a 1997 bike with crank case induction that means you dont need the holes in the piston Quote Link to comment Share on other sites More sharing options...
sutty Posted August 5, 2006 Author Report Share Posted August 5, 2006 the 200gasser jtx is not a crankcase induction the induction is on the back of the barrel thus needing port holes Quote Link to comment Share on other sites More sharing options...
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