Re:Popping through Carb and Exhaust Pipe (1 viewing) (1) Guest
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TOPIC: Re:Popping through Carb and Exhaust Pipe
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Topher (User)
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Popping through Carb and Exhaust Pipe 2 Years, 3 Months ago
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I have noticed as the weather has been colder (60 degrees today) that I get a cough from my carb on startup when the engine is warm. Also, if I pull in for gas or a coffee and shut the bike down, I get one pop. Only occurs at idle. Should I tweak out the PMS screw a 1/4 turn? Any suggestions would be great.
Thanks
Topher |
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Re:Popping through Carb and Exhaust Pipe 2 Years, 3 Months ago
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have noticed as the weather has been colder (60 degrees today
I don't know if I would call 60 colder as far as the bike running but I suppose it's possible. Have you changed anything else lately? Different gas station?
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Topher (User)
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Re:Popping through Carb and Exhaust Pipe 2 Years, 3 Months ago
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Uh......forgot to mention something, I did turn the accel duration screw all the way in with the nut behind the bracket. Maybe this is my problem? Is it too far in?
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Re:Popping through Carb and Exhaust Pipe 2 Years, 3 Months ago
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If the problem started after you did it try putting it back where it was and see what happens.
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Topher (User)
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Re:Popping through Carb and Exhaust Pipe 2 Years, 3 Months ago
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Hey Musky,
I figured out what was going on. I had turned the PMS to 1 7/8 and had my needle on 3rd clip but with 2 washers on the bottom ( effectively 3.5)......Well all hell broke loose today when I got on her, coughing through the carb, hesitating off idle, ran like Sh*t. I guess through this excercise I have found how lean I can go before the bike starts acting up. I made some changes by going back to 4th clip and adjusted the PMS to 2 1/8 and voila......my bike was back. Thanks for your advise on going back to where I started with changes.
Topher |
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Re:Popping through Carb and Exhaust Pipe 2 Years, 3 Months ago
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Well, yes sir. That was a few changes all right   Most of the time if something goes haywire it's cuz we screwed something up. That's why it's good to only change 1 thing at a time. Not that I listen to that advice  but it's the best way to do things. Saves on backtracking. Glad she's running good again. |
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Topher (User)
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Re:Popping through Carb and Exhaust Pipe 2 Years, 3 Months ago
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Musky or Doc
Got another question regarding deceleration and the bike stuttering?
I have noticed that upon deceleration, the slower I am moving the more pronounced the stutter is. Seems to be worse with cooler temperatures. Any ideas where to look.
Thanks
Topher
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Re:Popping through Carb and Exhaust Pipe 2 Years, 3 Months ago
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the slower I am moving the more pronounced the stutter is
Are you sure your not going so slow that the bike is lugging? Is it happening with the clutch engaged?
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Re:Popping through Carb and Exhaust Pipe 2 Years, 3 Months ago
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Ditto ... may be too low revs for the gear.
Doc
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