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JBWR426

Got "new" 02 wr426-anything to watch for?

4 posts in this topic

Just picked up a leftover 426 and was just wondering if there is anything in particular to watch out for with this model? Not into mods too much-just removed the exhaust plug (for Hare Scrambles), got the Zip-Ty fuel mixture screw and the Terrycable hot-start. The stock jetting seems to be fine for the lack of engine mods,(anyone leave their jetting stock?) Any info would be appreciated. Thanks

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I am running stock jetting with FMF pipe, airbox lid off, grey wire pulled, yz throttle stop. I have never been left wanting in the power department.

Please though, do yourself and the rest of us a favor, and either buy a decent pipe for that bike, or at the very least a good tip (gytr or whatever). You WILL piss people off with that uncorked stock pipe.

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Thanks all. I think I will order an insert for the pipe-WAY TOO LOUD! Did the throttle stop, put on some moose bark busters and a set of Renthals, pretty much ready to go now-if it ever warms up!!!

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