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View Full Version : YFZ Pulse Charger Exhaust


wppracing
02-27-2005, 06:31 AM
Has anyone used the Pulse Charger yet . What was the recommended jetting ok?
Kennethyfz450
02-27-2005, 11:33 AM
I have..

so far the jetting seems good... why you ask?
wppracing
02-27-2005, 12:22 PM
Because I tested it on a 450R on a dyno with the recommended jetting and it was VERY LEAN almost 16 A/F and made less power. I had to jet from a 165 to a 185 to make the best power .
Kennethyfz450
02-27-2005, 01:55 PM
well mine seems to be running fine.. i'm not going to tune it right now. i'm about to take it off and send it to pappy and admin on the site. most guys i know are running below the 155 mj on the yfz...

who knows ....