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09-28-2015, 04:31 PM | #1 |
Join Date: Sep 2015
Posts: 8
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Thanks Ebuddy, tried spraying around the carb and intake manifold, and no changes. I was curious myself about a hairline fracture around the manifold. I did, however, replace fuel pump. I kept thinking back to when it would die, there was no fuel in the filter and wouldn't restart right away because it would end up with an air-lock of some sort, after being sucked dry. So far, it is running like normal. Long test ride tomorrow. So maybe, for whatever reason, not enough vacuum was provided to the fuel pump, gas shuts off?
Appreciate the suggestions. Thanks, Jugdish |
09-29-2015, 07:25 AM | #2 |
Join Date: Oct 2008
Location: Hyde Park, NY
Posts: 1,068
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Start checking your ground wires and electrical connections. After it dies bounce the scooter. I'm voting for an electrical issue. Even with spark showing it could be enough to see but not really strong enough under pressure to fire.
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2008 Eagle Milano 150- 9,679 miles 2009 Honda Rebel 250- 10,434 miles 2009 CF Moto Fashion- 16,023 miles 2009 MC-114 50cc Cub Clone- 4,317 miles twowheeler.yolasite.com/ That's 30,049 China Scootin miles and Counting. |
09-29-2015, 05:52 PM | #3 |
Join Date: Sep 2015
Posts: 8
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Took a longer drive today, and about 1.5 miles, it did the same thing. Bogged down and died, and wouldn't restart. Tried to restart for about 15 minutes. Bogging sound is identical to running out of gas, or losing all spark I guess.
Weird thing is, I drove it around side streets yesterday and ran fine. It seems to be longer, continuous runs that will make it act up. Leads me to believe it’s an electrical issue now. CDI is new, will try new coil and see if that helps. I have read of people changing the stator and pickup coil. Gotta read about those while looking into electrical side. I will inspect ground and electrical connections tonight. |
10-04-2015, 06:22 AM | #4 | |
Join Date: Dec 2013
Location: Western New York
Posts: 454
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Quote:
Does this machine still have the canisters and all of the hoses associated with an emissions control system? Is there something in your tank, blocking the flow? Don't over think this, something is plugged, or you are loosing vacuum somewhere, or your pump(if tank is lower than carb), your petcock(if tank is above the carb), is no good, or plumbed wrong. |
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10-06-2015, 12:53 AM | #5 |
Join Date: Sep 2015
Posts: 8
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Rks, correct, there didn't appear to be any fuel in filter. Although, I have since noticed with a clean, clear new filter, it's tough to see much gas flow anyhow. So that may have been a red herring. I have cleaned everything related to fuel flow(cleaned gas tank, new fuel pump, checked and replaced vacuum tubing, carb is spotless too.) I do have the PAIR system which I have removed, for fear of a vacuum blockage, with no change.
I have ordered a new stator package so I can replace the pick-up coil. Also, I have checked the ground, and it is fine. Getting close to running out of options it seems. |
10-06-2015, 09:10 AM | #6 |
Join Date: Jul 2011
Location: Connecticut
Posts: 493
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Set the valves to .004" inches. It seems your problem is related to engine temp, and valves are the #1 cause of warm stall.
The second thing to suspect is the coil, coils that go bad usually create a warm stall right before they stop working all together.
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2011 Roketa MC-23-150 4T 150cc 157 qmj 24mm carb w 115 main jet and paper cone air filter Manual petcock w Tygon fuel lines Scrappy Dog Scooters Retro-slash stainless straight-thru exhaust RED spring clutch Adjustable CDI (brand unknown, it's blue and red and works great!) KOSO high performance variator w 12g sliders Gates Powerlink 835-20-30 belt GPS verified 65mph on flats. |
10-11-2015, 09:30 PM | #7 |
Join Date: Sep 2015
Posts: 8
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I changed stator and pickup coil and coil today and the same symptoms exist. Got 4 blocks down road and it died/stalled. Tried to restart and it almost started a few times, but resulted in just turning over only. Ran great while running.
Not sure where to go from here. Only thing I haven't changed is electric choke, possibly closing off fuel? Any ideas would be appreciated. Btw, found out stator in scooter was for a 50cc engine and I have a 150. Pretty funny. |
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