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Post by crwford on Oct 22, 2017 8:38:10 GMT -6
while yes in the 70 nightmare was right but not now. Now getting back to your problem the anti backfire valve are you sure all you vacuum line are on the right way and are not mixed up? Look what you are trying to say every one don't work and I'm telling you I have 3 that do work just got a Dang Fang 150cc and it works so that's now 4. I but you need to find a paper work on system mybe even call Rapid Repair listed above Jim has a great deal of knowledge and will help you even if you didn't buy from him.
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Post by crwford on Oct 21, 2017 19:25:29 GMT -6
Mine been on for 10,000 miles never touched anything thing on any of my 3 bikes. Are you sure your vacuum hoses are not leaking are just lose or just bad.
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No speed
by: crwford - Oct 20, 2017 13:36:15 GMT -6
Post by crwford on Oct 20, 2017 13:36:15 GMT -6
maybe throttle cable on carb is out of adjustment and carb isn't opening all the way ?
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Post by crwford on Oct 16, 2017 20:06:31 GMT -6
It sounds like you are talking about the swing arm which engine, wheel, tranny, everything mounts to it. You may need to inspect the mounting of the swing arm bushings from what you are saying.
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Post by crwford on Oct 15, 2017 8:01:31 GMT -6
sounds like low speed jet is clogged needs to come out and cleaned with a think wire and then sprayed clean after that that should do it your high speed jet is only working.
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Post by crwford on Oct 8, 2017 19:37:46 GMT -6
If running good leave it alone for you will for ever screwing with it and asking questions to keep it running.
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Post by crwford on Oct 5, 2017 9:38:18 GMT -6
How long has it sat with the gas in it? Also check all vacuum line for cracks or not in place. If gas has been in for some time you may need to take off carburetor and clean both jets. Also has the scooter have 91 or higher octane fuel in tank?
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Post by crwford on Oct 4, 2017 13:55:55 GMT -6
YES MOST come on after they start
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Post by crwford on Oct 4, 2017 8:35:41 GMT -6
Starter system works off brake switch are you sure it good?
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*
by: crwford - Sept 14, 2017 13:43:08 GMT -6
mcb likes this
Post by crwford on Sept 14, 2017 13:43:08 GMT -6
they may have valve with to much clearance
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Post by crwford on Sept 14, 2017 13:40:29 GMT -6
I would pull speedometer head and check all connections see if snapped in all the way. Also see if it looks like some one may have been in there before maybe someone had head out and hooked up wires wrong maybe look see if at connection have same color coming and going.
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Post by crwford on Sept 11, 2017 16:09:05 GMT -6
check you wires at battery mine has one large at plus and minus the a thin other to each one one of my thin ones can of and did that.
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Post by crwford on Sept 3, 2017 11:12:13 GMT -6
Each is own but with out exhaust system for back pressure it will back fire and will never run 100 % right.
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Post by crwford on Sept 3, 2017 11:05:46 GMT -6
It really sounds like fuel bet its been sitting awhile and jets are clogged. For a test spary a very light spray starter fluid into carb yes take off air filter try and see if it starts if so you got you answer.
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Post by crwford on Aug 31, 2017 17:34:10 GMT -6
FIRST OF ALL YOU CAN'T TEST COMPRESSION WITH YOU FINGER YOU NEED A GAUGE. Did you pull the valve cover off and check you valve lash? When you put carb on did you put on all the vacuum lines and in right places? Did you adjust fuel air adjustment?
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