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View Full Version : Jetting again :)



WhY_ZeE
05-04-2003, 01:11 PM
Bike:

400ex , k&N air filter, no lid, thats all.
3rd pos needle clip
155 main (DYNO JETS!)
2turn½ out pilot

My question is
Do you think my main is a bit too lean ? My plug look fine but i sometimes do backfires and anyway i guess im a little bit lean..
im guess i'll try a 160 and see whats going on...
what do you think ? dont forget i use dyno jets..w/out airbox lid..

WhY_ZeE
05-04-2003, 01:13 PM
Originally posted by WhY_ZeE
Bike:


i sometimes do backfires
..

I dunno if it's because of my jetting...
:confused: