08-24-2008, 04:37 PM | #1 |
Join Date: Jul 2006
Location: Fresno, CA.
Posts: 45
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Starts and dies
I bought my son a SunL 150cc scooter and all was well until it decided not to start. It will crank over and startup but then die like its not getting gas. I'm getting ready to tear into it but thought that someone else may have had this problem and could give me a few pointers on where to start. The scoot has less than 100km on it. Any help would be greatly appreciated.
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2006 Jetmoto TT200GY 2000 Suzuki VS800GL |
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08-24-2008, 04:57 PM | #2 |
Join Date: Apr 2007
Location: Toronto Ontario Canada
Posts: 2,585
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Try idling it without the gas cap, it might be your gas cap gasket?
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IronFist ___________________________________ The "chain" of command is used for beating spammers. ___________________________________ |
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08-24-2008, 05:16 PM | #3 |
Join Date: Jul 2006
Location: Fresno, CA.
Posts: 45
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It won't idle. It runs for about a second after you release the starter button, then dies. Same thing every time.
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2006 Jetmoto TT200GY 2000 Suzuki VS800GL |
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08-24-2008, 08:08 PM | #4 |
Join Date: Apr 2007
Location: Toronto Ontario Canada
Posts: 2,585
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Take the gas cap off and try again.
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08-24-2008, 08:34 PM | #5 |
Join Date: Jul 2006
Location: Fresno, CA.
Posts: 45
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Took the cap off and tried it but now it's not trying to fire at all. Is there an automatic gas shutioff and is it fused? I'm thinking that my problem may be electrical.
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2006 Jetmoto TT200GY 2000 Suzuki VS800GL |
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08-24-2008, 09:04 PM | #6 |
Join Date: Apr 2007
Location: Toronto Ontario Canada
Posts: 2,585
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You could try pulling the plug, from the cylinder. With the plug in the cap, hold the electrode end of the plug against the motor and kick start. Wear rubber gloves and try to dim the lights if you can. If you don't see a nice fat blue spark jumping from the plug, you have an electrical problem. Keep up the updates. Hope you get it working.
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IronFist ___________________________________ The "chain" of command is used for beating spammers. ___________________________________ |
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08-25-2008, 08:15 AM | #7 |
Join Date: Feb 2008
Location: Terrell and Grapevine Tx.
Posts: 1,585
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Maybe one of those with a vacume operated petcock?
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08-25-2008, 03:44 PM | #8 |
Join Date: Apr 2007
Location: Toronto Ontario Canada
Posts: 2,585
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8O ???
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IronFist ___________________________________ The "chain" of command is used for beating spammers. ___________________________________ |
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08-25-2008, 10:00 PM | #9 |
Join Date: Jul 2006
Location: Fresno, CA.
Posts: 45
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Well it's not electrical. It will start up and die a second or two later. I think that my problem is the same as LadyDi, the funky little vacuum valve not letting gas go to the carburator. I'm going to bypass it tomorrow and if it runs, I'll get a manual shutoff valve, if I'm getting vacuum on the line.
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2006 Jetmoto TT200GY 2000 Suzuki VS800GL |
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08-25-2008, 10:49 PM | #10 |
Join Date: Apr 2007
Location: Toronto Ontario Canada
Posts: 2,585
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Cool, hope you get it going.
------------------------- Ride to live, so you can ride tomorrow.
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IronFist ___________________________________ The "chain" of command is used for beating spammers. ___________________________________ |
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08-25-2008, 11:07 PM | #11 |
Join Date: Jul 2006
Location: Fresno, CA.
Posts: 45
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Thanks IronFist. I'll let you know how it turns out.
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2006 Jetmoto TT200GY 2000 Suzuki VS800GL |
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08-31-2008, 12:52 AM | #12 |
Join Date: Apr 2007
Location: tennesse
Posts: 95
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could be the jets too we change alot of those jets on the sunl 50 and 150
the 150cc run great with a 117.5 120 122 main and a 38-40 pilot jet. best seller are 120 main and 38 pilot.
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08-31-2008, 05:10 AM | #13 | |
Join Date: Jul 2008
Location: Wheeling, West Virginia
Posts: 683
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Quote:
How is the petcock bypass working? Keep us posted, Tigertamer Oh, by the way, watch how you spell petcock, because if you use a hyphen, you will be censored! Here's an example I typed with the hyphen: pet-cock Dirty little computer minds... Tigertamer
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07 H-D XL883C 06 LF 200GY-5 Yin and Yang CAUTION Obey The Traffic Regulation. Always Wear a Helmet. Don't Ride After Drinking Wine. Before Operation, Read The Owners Manual Carefully. |
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08-31-2008, 05:00 PM | #14 |
Join Date: Jul 2006
Location: Fresno, CA.
Posts: 45
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Finally had time to check the SunL and found that I have the same problem as LadyDi. Petcock valve is non functional. I bypassed it and went to the carb and it starts and runs fine. Once I got it running I checkd for vacuum at the valve and I have that. For some reason the valve is not opening to allow gas flow. I think that I will go with the mechanical on-off valve.
Thanks for the help and suggestions and thanks to LadyDi for her write up.
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2006 Jetmoto TT200GY 2000 Suzuki VS800GL |
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08-31-2008, 05:15 PM | #15 |
Join Date: Apr 2007
Location: Toronto Ontario Canada
Posts: 2,585
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Thanks Lady Di |
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