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Post by wutzthedeal on Apr 12, 2013 4:00:41 GMT -5
Out of nowhere, I have a problem when I start my scoot and give it gas; I can actually hold it in place while giving it gas; very weak, no rev or very slight rev when handle turned. If I ride it, it goes about 1 or 2mph for ten seconds or so, then suddenly starts to pick up. Anytime I slow down to below 10mph, I have to repeat the process. Outside inspection looks fine; fuel lines/filters pretty new. Would a partially worn belt cause this or any problem at all with the variator ramp? I wouldn't think so but thought I would ask. It seems like a fuel delivery issue; was thinking vacuum issue but why only at the low end?
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Post by teddy554 on Apr 12, 2013 4:18:32 GMT -5
might wont to take the clutch have and give the pads a good sanding with the belt and measure the width of the belt and see if needs replaced but if the motor is climb in rpms might need to clean the carb and makes sure its not the issue
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Post by wutzthedeal on Apr 12, 2013 11:01:33 GMT -5
Carb is virtually new; use Seafoam, a capful every tank, filter and lines pretty new, like I said. Haven't been able to inspect belt or clutch but something tells me it has to be fuel delivery, because if I'm not even getting the revs, then that limits it to the engine side. I would start thinking autochoke blocking fuel delivery if it only happened at startup, but it happens any time I have to slow down for a stop sign or whatever. Long as I keep it above 10mph, it rolls along. Very odd. Are any vacuum issues speed-specific?
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Post by DaveC on Apr 12, 2013 11:04:16 GMT -5
I'm new and ignorant, but, to me, it soulnds more like belt/clutch/variator issues.
I don't believe it's fuel related.
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Post by h3nry on Apr 12, 2013 16:06:39 GMT -5
Ok, it has issues revving up when you turn the throttle? If so it does sound like a fuel / fuel delivery issue. Could be the diaphragm is getting stiff or the cylinder that is attached to the diaphragm is sticking in some oil or grit in the Carb.... doesn't matter if its new or not something could still have gotten in there. If it does rev to about 4-5k without going anywhere then its most likely a clutch issue, maybe it has glazed over or is sticking somehow. Maybe the belt is slipping or worn. No guarantee on anything I said being the issue but its good places to start  |
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Post by carasdad on Apr 12, 2013 16:12:59 GMT -5
Try it on the centerstand....if it revs good with no load on it....it will allow us to better help you find and fix the issue...  |
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Post by wutzthedeal on Apr 12, 2013 17:59:27 GMT -5
Ok I'll try that next; I'll edit this post when done. Thanks guys.
Edit: Well I did not get it on the center stand but lifted up the rear and the rear wheel turned, actually pretty quickly, not just doing little jerks around. That made no sense, not only because I adjusted idle properly (wheel not turning when adjusted) but because the RPMs were so low. Does that still point toward vacuum?
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Post by moparmanpete on Apr 12, 2013 18:24:56 GMT -5
Been there.... Vaccum leak
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