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Post by lostforawhile on Oct 18, 2017 22:29:55 GMT -5
I think Ryan-ott's compression and leak test advice is absolutely the way to start. You mentioned you cleaned out your exhaust, and said a baffle is bouncing around in it. Was that baffle loose before you cleaned it? Did you try starting the scoot with the exhaust disconnected? Just thinking that loose baffle could potentially acts as a valve or restricion if it were to fall against an inlet in the exhaust. Like when you hit a bump and it stalled out, it could have been that baffle moving and choking the scoot. this has happened a lot, there are a lot of posts about this all over the net |
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Post by stancejontland on Oct 20, 2017 23:16:32 GMT -5
Yes it did start with the exhaust off. Fired right up. But why would my bike idle like that ?? It idles low with the idle screw all the way in?? Snd is anyone near me?
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Post by geoffh on Oct 21, 2017 9:08:37 GMT -5
Stance,sounds like you,ve finally nailed the problem,it needs a new muffler,these engines won,t run right until all the components are in tune.I,d go back to page 1 and start again. fit the new muffler reset the carb refit the air box fit the fuel pipe check every thing again start it with the kickstart  daa daa (I hope) let us know geoff |
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Post by catchacuda on Oct 21, 2017 12:11:03 GMT -5
Did it idle real low with no exhaust? When my exhaust was clogged up the idle went much higher when the exhaust was off, with no touching the carb.
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Post by stancejontland on Oct 21, 2017 22:10:47 GMT -5
I think i had it set to a normal idle at that time i believe and it did.idle fine. Even put the tailpipe /muffler.back on and it ran. But then came back out and.no go so started messing with idle and thats where im at now. Anyway to find.my exhaust/ just muffler? Or whole pipe i can only find 4t and racing exhausts
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Post by stancejontland on Oct 23, 2017 4:18:25 GMT -5
Any links to new exhausts?? /mufflers?
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Post by 90GTVert on Oct 27, 2017 10:31:06 GMT -5
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Post by stancejontland on Oct 27, 2017 13:05:06 GMT -5
From the engine block or head whatever you wanna call it is 2 bolts. But where the muffler or silencer is its a 3 bolt triangle flange.
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Post by 90GTVert on Oct 27, 2017 14:00:31 GMT -5
I can't say there are no different flanges (header to muffler), but the triangular 3 bolt flanges that I've had on GY6 and Chinarelli exhausts have bolted right up to each other. You can always compare measurements with sellers.
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Post by stancejontland on Oct 28, 2017 0:30:05 GMT -5
Does it matter if it says gy6? I have the 1e39qmb engine.
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Post by stancejontland on Oct 28, 2017 0:31:14 GMT -5
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Post by 90GTVert on Oct 29, 2017 18:35:27 GMT -5
The link looks like pretty much what I was pointing out. I thought you had the 1E40QMB two-stroke, but regardless it should work if it's the triangular flange.
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Post by stancejontland on Oct 29, 2017 21:48:31 GMT -5
Maybe i do i always get those confused but yeah you think that should be fine? Its only 40 bucks with shipping
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Post by 90GTVert on Oct 30, 2017 6:14:51 GMT -5
As said earlier, I've only seen 1 bolt pattern in those triangular flange mufflers for 50-150cc Chinese scoots. Prob a money saving exercise for the factories. Won't attempt to guarantee you anything fits for sure, but I'd think it would.
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Post by stancejontland on Nov 6, 2017 0:57:52 GMT -5
What is the difference between gy6 and 140qmb?
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daa daa (I hope)
