85 ezgo marathon

ezgo hot rod · 10-14-2009, 02:14 PM

hey, whenever i ride for about a half hour then i stop and take a break or sometin, then go back on and it wont turn over. i took the seat off and noticed that there is no gas in the "see through" air filter just before the fuel pump. is there someting up with the fuel pump? shood i replace the lines? thanks,, ethan

doolin · 10-14-2009, 04:02 PM

Does it turn over but don't start or what? If it won't start that might be the fuel pump.

ezgo hot rod · 10-15-2009, 04:32 PM

well what will happen is, ill start it up and ride for about half hour, then ill stop, come back, give it gas and i can tell there is no fuel getting to the carb. then ill wait 5 minutes, the lines will be filled with gas again and continue on my ride.

ezgo hot rod · 10-15-2009, 04:34 PM

but it will not turn over within that 5 minutes or so

nomo · 10-15-2009, 07:45 PM

Sounds like the fuel tank vent is plugged, causing a vacuum in the tank. Once the engine compartment cools off the pressure in the fuel tank equalizes. Next time you go for your 1/2 hour ride, and it won't re-start, try venting the fuel cap to see what happens.

ezgo hot rod · 10-16-2009, 06:00 AM

Ok thanks a lot! , ethan

ezgo hot rod · 10-18-2009, 10:06 AM

Yes! I vented the gas tank and started right back up. Now there is no vent actualy for the tank. Could i drill a very small hole or would this be stupid.

rcbipeflyer · 10-18-2009, 10:43 AM

The first thing I would try... is to see what's causing the cap not to vent. Usually there's a rubber diaphgram somewhere inside the cap that flexes to let the air into the tank, and closes to stop gas from leaving the tank.
There's always a chance of fire if you drill a hole..don't want a flaming ride.

I would suggest purchasing a new cap if you can't repair. Ebay has them for under 20 bucks.

nomo · 10-18-2009, 08:56 PM

Quote:

Originally Posted by rcbipeflyer

The first thing I would try... is to see what's causing the cap not to vent. Usually there's a rubber diaphgram somewhere inside the cap that flexes to let the air into the tank, and closes to stop gas from leaving the tank.
There's always a chance of fire if you drill a hole..don't want a flaming ride.

I would suggest purchasing a new cap if you can't repair. Ebay has them for under 20 bucks.

I agree. Don't drill a hole in the tank, that's not a good idea. Either fix the cap or buy a new one. The cap vent is designed to let air in. But when the fuel gets hot, it keeps the vapors from escaping. nomo

ezgo hot rod · 10-19-2009, 04:11 PM

kk thanks a lot guyss

10-14-2009, 02:14 PM	#1
ezgo hot rod Getting Wild Join Date: Sep 2009 Posts: 83	85 ezgo marathon hey, whenever i ride for about a half hour then i stop and take a break or sometin, then go back on and it wont turn over. i took the seat off and noticed that there is no gas in the "see through" air filter just before the fuel pump. is there someting up with the fuel pump? shood i replace the lines? thanks,, ethan
ezgo hot rod Getting Wild Join Date: Sep 2009 Posts: 83

10-14-2009, 04:02 PM	#2
doolin Gone Broke Join Date: Jul 2008 Location: Central Illinois Posts: 758	Re: 85 ezgo marathon Does it turn over but don't start or what? If it won't start that might be the fuel pump.

10-15-2009, 04:32 PM	#3
ezgo hot rod Getting Wild Join Date: Sep 2009 Posts: 83	Re: 85 ezgo marathon well what will happen is, ill start it up and ride for about half hour, then ill stop, come back, give it gas and i can tell there is no fuel getting to the carb. then ill wait 5 minutes, the lines will be filled with gas again and continue on my ride.
ezgo hot rod Getting Wild Join Date: Sep 2009 Posts: 83

10-15-2009, 04:34 PM	#4
ezgo hot rod Getting Wild Join Date: Sep 2009 Posts: 83	Re: 85 ezgo marathon but it will not turn over within that 5 minutes or so
ezgo hot rod Getting Wild Join Date: Sep 2009 Posts: 83

10-15-2009, 07:45 PM	#5
nomo Getting Wild Join Date: Jun 2009 Location: MO Posts: 130	Re: 85 ezgo marathon Sounds like the fuel tank vent is plugged, causing a vacuum in the tank. Once the engine compartment cools off the pressure in the fuel tank equalizes. Next time you go for your 1/2 hour ride, and it won't re-start, try venting the fuel cap to see what happens.

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10-16-2009, 06:00 AM	#6
ezgo hot rod Getting Wild Join Date: Sep 2009 Posts: 83	Re: 85 ezgo marathon Ok thanks a lot! , ethan
ezgo hot rod Getting Wild Join Date: Sep 2009 Posts: 83

10-18-2009, 10:06 AM	#7
ezgo hot rod Getting Wild Join Date: Sep 2009 Posts: 83	Re: 85 ezgo marathon Yes! I vented the gas tank and started right back up. Now there is no vent actualy for the tank. Could i drill a very small hole or would this be stupid.
ezgo hot rod Getting Wild Join Date: Sep 2009 Posts: 83

10-18-2009, 10:43 AM	#8
rcbipeflyer Not Yet Wild Join Date: Sep 2009 Location: Middletown, Pa. Posts: 35	Re: 85 ezgo marathon The first thing I would try... is to see what's causing the cap not to vent. Usually there's a rubber diaphgram somewhere inside the cap that flexes to let the air into the tank, and closes to stop gas from leaving the tank. There's always a chance of fire if you drill a hole..don't want a flaming ride. I would suggest purchasing a new cap if you can't repair. Ebay has them for under 20 bucks.

10-19-2009, 04:11 PM	#10
ezgo hot rod Getting Wild Join Date: Sep 2009 Posts: 83	Re: 85 ezgo marathon kk thanks a lot guyss
ezgo hot rod Getting Wild Join Date: Sep 2009 Posts: 83

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