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cannondale27
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Joined: Wed Mar 10, 2021 10:41 pm

#11 Post by cannondale27 »

When the fuel is flowing right you will just see a stream of fuel going right through the filter.There should be very little if any actually in the filter.

gary681
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#12 Post by gary681 »

QUOTE (cannondale27 @ Apr 12 2010, 06:53 PM) <{POST_SNAPBACK}>
When the fuel is flowing right you will just see a stream of fuel going right through the filter.There should be very little if any actually in the filter.

It had a good stream.but must have hit a dry spot. i turned it off and watched the filter. fuel and air both kept flowing backwards.back towards the tank.could have been more air than fuel.

UpsMan
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#13 Post by UpsMan »

That is very interesting. I have never seen that with mine. When I shut if off, everything just stops, the filter is half full then. But when it is running, it is like c27 says, almost nothing in the filter, it flows through so fast.

MX Quad Dad
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Joined: Wed Mar 10, 2021 10:41 pm

#14 Post by MX Quad Dad »

QUOTE (gary681 @ Apr 12 2010, 08:28 PM) <{POST_SNAPBACK}>
It had a good stream.but must have hit a dry spot. i turned it off and watched the filter. fuel and air both kept flowing backwards.back towards the tank.could have been more air than fuel.



Boy that sure sounds like the cap vent is not working. Did you try loosining the cap when it acts up?

gary681
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Joined: Wed Mar 10, 2021 10:41 pm

#15 Post by gary681 »

QUOTE (MX Quad Dad @ Apr 12 2010, 08:53 PM) <{POST_SNAPBACK}>
Boy that sure sounds like the cap vent is not working. Did you try loosining the cap when it acts up?

No, i didnt loosen it. just took it off and blew through the tube.but i do have a cracked gas cap. someone before me must have over tightened it. would that cause any problems besides a burning crotch from leaking fuel from doing wheelies?..lol

UpsMan
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#16 Post by UpsMan »

Fuel flowing backwards toward the tank. That sounds like bad venting to me.

UpsMan
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#17 Post by UpsMan »

You say you have a new fuel pump. Was it acting like this before you replaced the fuel pump? I assume it must have been acting up or you wouldn't have replaced the pump?

gary681
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Joined: Wed Mar 10, 2021 10:41 pm

#18 Post by gary681 »

QUOTE (UpsMan @ Apr 12 2010, 10:44 PM) <{POST_SNAPBACK}>
You say you have a new fuel pump. Was it acting like this before you replaced the fuel pump? I assume it must have been acting up or you wouldn't have replaced the pump?

The company i bought it from,said that they replaced the fuel pump.just started this a couple weeks ago.i have had the 4wheeler for a few months.

cannondale27
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#19 Post by cannondale27 »

You could also be losing power to the pump momentarily.If you have status lights or d&m cable you can watch the light.If it goes off for a instant then that is the issue and usually is bad grounds or even a bad relay.

claas900
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#20 Post by claas900 »

yeah,you can always pull the relay and ride it see if it makes a differents.

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