Megadan |
01-01-2018 10:00 PM |
Quote:
Originally Posted by Lit Hawk
(Post 271330)
So I took the hawk out riding Saturday and now I have to turn the throttle up to get it to start way more than usual. When it starts to warm up it’ll idle way to high I’ll have to adjust but it then acts like it’s going to die, almost like somethings sticking. It rides fine it’s jyst when I come to a stop it’s idling high then slowly starts dropping till I have to give it throttle. I’m not sure if it’s because I didn’t adjust my valves correctly I set them at .002,.003. I tried adjusting the carb but it’s the same. Any suggestions?
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Suggestions.
Don't adjust the base idle speed. Once the bike is nice and hot, say after 10 minutes of riding, set the idle to 1500rpm and don't mess with it unless your idle speed once warmed up has changed due to air temps. Get used to the idea of "nursing" the throttle to keep it idling until the bike is up to temp.
You aren't mentioning if you are using the choke when trying to start or not, so that leaves an unknown variable.
Usually a racing idle as you describe is caused by a lean condition on the pilot/mixture circuit. This style of carb doesn't adjust for air density like a CV carburetor, so as the temps outside swing up and down the AFR also changes with them. If your pilot or idle mixture were just a hair lean during warmer temps, then they can start to be too lean with a big enough difference in air temp.
So before I suggest too much, can you describe if you are using the choke on these cold starts? That will really determine the direction I go with more suggestions.
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