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Old 05-19-2005, 10:56 AM   #15 (permalink)
Billdog350
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Join Date: Sep 2004
Location: CT
Posts: 68
Sparks timing advance key gave my 400ex a ton more power...that and removing the endcap, removing airbox lid, adding a K&N, changing the pilot jet from a 38 to a 42 (solved the starting problem) and throwing a DJ kit in it. I also dropped the front sprocket a tooth, upped the rear one, and went to 22" rear tires for additional rear ground clearance.

Was a great machine till I bought my z400....reverse, twin cam, and electric start ROCK.....
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