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View Full Version : Tri Z Jetting Question



ajb399
02-09-2012, 09:47 PM
I have a 1985 Tri Z that is bored 40 over and has a DG silencer, everything else is stock or at least seems to be. I know that all the jets are factory. It seems to run pretty good but it's been along time since I owned any type of 2 stroke. What I want to know is do I have to change my jetting since the engine is bored?

Bryan Raffa
02-09-2012, 10:10 PM
if it runs good and the plug looks a paper bag color brown.. then no..