New Nightster is sputtering....
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New Nightster is sputtering....
I bought my Nightster about two weeks ago. I immediately put on V/H long shots It's been running great the past couple weeks. I have 500 miles on it but I have noticed while going through the gears it backfires and sputters just a bit when letting off the throttle. Is this normal? It stills runs great just wondering if that is a characteristic of that type of exhaust.
[IMG]local://upfiles/61645/0F25B1FACB024549AB157C79249AA075.jpg[/IMG]
[IMG]local://upfiles/61645/0F25B1FACB024549AB157C79249AA075.jpg[/IMG]
Road Warrior
Joined: Apr 2007
Posts: 1,961
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From: Boise, Idaho
RE: New Nightster is sputtering....
Congrats on the new scoot! It looks great 
When you added the exhaust, did you also do a re-map with race tuner or other ECM connect module?
Some degree of exhaust pop at decel is acceptable IMO.If you didn't tune your bike, your fuel-air mixture may be a little off. If the bike runs well, and there isn't any pinging or other signs of running lean/hot, then it probably isn't a big deal. If you are running a bit rich.... Not really a problem.
Some say that if you only change the exhaust, and don't upgrade the A/C, you don't need to worry about tuning. In my experience, when any major component is changed on a fuel injected bike, it won't perform at its best unless it is tuned.
When you added the exhaust, did you also do a re-map with race tuner or other ECM connect module?
Some degree of exhaust pop at decel is acceptable IMO.If you didn't tune your bike, your fuel-air mixture may be a little off. If the bike runs well, and there isn't any pinging or other signs of running lean/hot, then it probably isn't a big deal. If you are running a bit rich.... Not really a problem.
Some say that if you only change the exhaust, and don't upgrade the A/C, you don't need to worry about tuning. In my experience, when any major component is changed on a fuel injected bike, it won't perform at its best unless it is tuned.
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exhaust, harley, leak, lean, long, motorcycle, nightster, pinging, running, shots, sputter, sputtering, sputterong, start, symptoms
