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jbryant
Joined: 27 May 2008
Posts: 19
Karma: 0
Location: Price, Utah
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 Posted: Wed Jul 23, 2008 11:51 pm Post subject: Acceleration hesitation |
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My new scooter seems a bit hesitant when I accerelrate maybe like it's choking or getting too much fuel. I live at a high altitude 5500 ft, would I need some carburation adjustments?
tks,
jbryant
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J€Di
Joined: 08 Nov 2006
Posts: 1304
Karma: +70
Location: Walsall, West Midlands - croooooooozin'!!!
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| Posted: Thu Jul 24, 2008 12:00 am Post subject: |
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What colour is your plug? It's all the info you'll ever need to diagnose how your engine is running. If it's black and sooty, you're too rich so go down a jet size. If it's white and speckly, you're running lean so upjet slightly. if it's brown or tan, you're spot on._________________ 
Midlands rider? Click HERE!!! |
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jbryant
Joined: 27 May 2008
Posts: 19
Karma: 0
Location: Price, Utah
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| Posted: Thu Jul 24, 2008 2:51 am Post subject: Acceleration hesitation |
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Good advice,
Thanks, I'll try to check it in the next day or so.
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jbryant
Joined: 27 May 2008
Posts: 19
Karma: 0
Location: Price, Utah
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| Posted: Fri Jul 25, 2008 12:50 pm Post subject: Acceleration hesitation |
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Spark plug looked really good. Engine hesitation stalled motor today when I came home from work. It really acted up today. I've added some octane booster, but it's not helping much. Wonder if I'm getting a plugged jet or if it's trying to flood the engine, cause it seems to happen more apparently when I'm trying to accelerate.
Still puzzled!
jbryant
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zoomy
Joined: 29 Jul 2008
Posts: 17
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Location: Germany
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| Posted: Tue Jul 29, 2008 5:14 am Post subject: |
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jbryant mine was doing that also last week ,I took out the plug and put it back in with the same probs,took it out again and wirebrushed the threads on the plug and sprayed a shot of WD40 on the threads on the plug hole and OH HA ,it ran like a top again,maybe too many diposits set up on the plug threads and there was not enough ground contact for the plug,I know it sounds kinda strange ,but it worked for me and maybe a help for you also
Let me know if it was any help??
ZOOMY
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jbryant
Joined: 27 May 2008
Posts: 19
Karma: 0
Location: Price, Utah
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| Posted: Tue Jul 29, 2008 12:52 pm Post subject: Acceleration hesitation |
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Yeah,
I had taken out the plug and cleaned it a bit while I was examining it. The scooter only has about 350 kilometers on it since I got it in June. It ran just fine for the first couple months. The plug is easy to get out, so I'll try cleaning the threads a little better.
tks,
jb
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Fox
Joined: 05 Jan 2007
Posts: 5820
Karma: +255
Location: Los Angeles....... JmStar Sport 50.
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RX8Marc
Joined: 24 May 2008
Posts: 17
Karma: 0
Location: Tamworth, Staffordshire, UK
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| Posted: Wed Jul 30, 2008 9:11 am Post subject: Valves! |
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I totally agreee with fox, that sounds like what was happening ti my bike, everything was running fine then it lost power, wouldnt idle, kept cutting out, checked the valve clearence, had NO clearence on the Exhaust valve at all!!! reset, its like a new bike! its amazing the difference it can make!
Check 'em out! 
_________________
Taishan Commuter 50cc, De-Restricted (Sold)
Eurostrada RX8, 125cc, Sports Exhaust, and its Red!
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