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General Category >> Rubber Side Down! >> Question on rough running after rejetting.
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Message started by Savage = HD eater on 12/16/07 at 00:55:59

Title: Question on rough running after rejetting.
Post by Savage = HD eater on 12/16/07 at 00:55:59

My son's 98 Savage has been rejetted to accomodate his Sportster muffler. (It was done by the stealer because I didn't know anything about bikes)

Whenever he rides in weather cooler than 60 degrees, it runs VERY rough, backfires, and even spits out flames when he lets off the gas. When it's about 65 degrees, it's fine!!! He can't let off the gas at stoplights or it will putter out. When he's ridden it at high speeds (65-70 mph) for about 10 minutes, it's fine too.

What the heck?? >:( >:(

Title: Re: Question on rough running after rejetting.
Post by Savage_Greg on 12/16/07 at 04:53:26

Starts and idles just fine in temps below 60 degrees?

Title: Re: Question on rough running after rejetting.
Post by Savage = HD eater on 12/16/07 at 10:40:05

No, that's when it gives him major problems. Anything over 60 is fine.

Title: Re: Question on rough running after rejetting.
Post by thumperclone on 12/16/07 at 11:01:31

on the R side of carb theres a brass plug over the idle mix screw most steralership wont adjust cause smog controll regs...search:
lacncers quick and easy carb tuning
carb tuning
idle mix screw
read carefully you can do it if a screwdriver fits your hand ;)
this is a good starting point if doesnt remedy there are good tuners/gearheads this site more info you can give the better help you can get...