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Enduro Intake/Carburetion - 2 stroke Jetting, Reeds, Air Filters, etc. |
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#1
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Low down / tickover issue HELP
Hi all,
Bike: 2007 ec 300 Just changed my silencer to a Gasgas 'Racing' silencer, runs superbly after tickover,kicks powervalve in slightly quicker. Problem Ive got is that on tickover it feels and sounds like it is hunting, a kind of up and down on the revs, as I said once moving its fine...Anyone help ?? Please dont guess..you either know about these things or like me,you just guess, my guess being it needs a different jet.... My jetting is currently 178 / 40, |
#2
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Quote:
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#3
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Cheers, needle is standard, not sure which one, only other thing I have done is adjust float bowls, maybe adjusted too much, would that have a bearing ??
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#4
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Probably if it was alright prior
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#5
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You wont get many replies if you dont want guesses because this has been the source of much debate and no one is 100% sure. Many bikes have the problem and plenty others don't. Guesses have been: Pipe Squish Needle jet wear Float height/vibration Sensitivity to temp change Spooge build up during long idle |
#6
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I might be wrong but I think he is refering to a lean condition where the idle area is hunting or running on. The tell tale sound of a 2 stroke that is lean at idle. Hmmm, brap bap bap bap bap bap, instead of brap pur pur pur . Ha ha
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#7
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I always thought hunting was that on/off power feeling you get on some road bikes due to being lean for emissions, normally while trying to cruise at mid revs, small throttle. |
#8
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Well he said once he was moving it was fine. Leads me to conclude it is at idle. I have misunderstood before though LOL
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#9
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No it was at idle. Just that I wondered exactly what he meant by hunting as a lot of Gassers have idle issues that I wouldn't call hunting.
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#10
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Oh I got ya. Yeah mine kinda does that too. I had good results this weekend tuning that out though. It is not super consistent but overall it worked good.
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