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TOPIC: Basic jetting starting point Forum Tools Post New Topic Show latest posts Rules

#147240 Musky (User) Platinum Boarder Posts: 15137 Basic jetting starting point 3 Years, 1 Month ago   Here’s the basic starting point for any year Roadie with pipes and an air kit. Porting makes you slightly richer but you can tweak for that. Real good or new plugs are a must before you start. Make sure you have no air leaks on the intake or exhaust. And make sure your float level is good. For Mikuni jets - Start with the 167.5 main. Have the 170 handy. For Dyno jets the 180 seems to work for most but not all. Set the clip in the 5th groove from the blunt end. PMS at 2 1/2 to 3 turns out. Do the WOT. If the main checks out go to the 4th groove and tweak the needle and PMS from there. Link to WOT - WOT Sea level is leanest. You get richer as you go up in elevation. The suggested starting points listed above are just that. Starting points. You need to tweak the settings until they are right for your bike.   Logged     Last Edit: 2008/12/22 01:32 By Musky.     The topic has been locked.

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