Bike won't start


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kneabling
Posts: 10
Joined: Sat May 16, 2015 9:14 pm
Location: tacoma,wa
Motorcycle: 1994 GL1500 SE

Bike won't start

Post by kneabling » Thu Sep 12, 2019 1:36 pm



Hope someone can help. I have a 94 SE 72,000 miles. If it sits for more than 2 weeks (unfortunately it happens), it will not start unless I put gas down the carbs. I can actually run the battery dead trying. If it only sits for a week , it will start right up. I have no idea what this could be. Going out of my mind and tired of having to take it apart for this. If I do have to dump gas in the carbs, once it fires off and starts it is fine.



Rambozo
Posts: 149
Joined: Sun Apr 01, 2018 8:36 pm
Location: Disneyland
Motorcycle: 1992 GL1500 Aspencade

Re: Bike won't start

Post by Rambozo » Thu Sep 12, 2019 1:54 pm

Sounds like float bowls might be leaking down? Check the fuel pump to see if it is running while cranking. When you open it up, if you work the throttle, do you see the accelerator pump squirting any gas into the carb? Low battery can also cause all kinds of no start issues.

kneabling
Posts: 10
Joined: Sat May 16, 2015 9:14 pm
Location: tacoma,wa
Motorcycle: 1994 GL1500 SE

Re: Bike won't start

Post by kneabling » Thu Sep 12, 2019 4:37 pm

I will look when I open it up AGAIN :| to prime the system. If it was the accelerator pump wouldn't I have problems even while running, which I don't. I know more about older cars and carbs than bikes so excuse my ignorance if that is the case. Could there be a problem with the fuel pump like a bad seal that Slowly leaks and once the system is dry just can't pick up fuel. Idk just spitballing here

Rambozo
Posts: 149
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Location: Disneyland
Motorcycle: 1992 GL1500 Aspencade

Re: Bike won't start

Post by Rambozo » Thu Sep 12, 2019 4:48 pm

I'm not thinking the accelerator pump is bad, but that the float bowls have leaked all the fuel out so there is nothing left to pump. But the electric pump should recover that pretty fast, so that's why I am wondering if the pump is even being driven when cranking. Out of curiosity have you tried just tapping the start button a few times instead of just holding it down cranking?

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WingAdmin
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Re: Bike won't start

Post by WingAdmin » Thu Sep 12, 2019 4:50 pm

I would do a flow test on the fuel pump to see if it is putting out enough.

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4given
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Motorcycle: 1996 honda goldwing aspencade GL1500
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Re: Bike won't start

Post by 4given » Thu Sep 12, 2019 5:02 pm

Fuel shut off diaphragm maybe?

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ct1500
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Re: Bike won't start

Post by ct1500 » Thu Sep 12, 2019 7:18 pm

kneabling wrote:
Thu Sep 12, 2019 1:36 pm
Hope someone can help. I have a 94 SE 72,000 miles. If it sits for more than 2 weeks (unfortunately it happens), it will not start unless I put gas down the carbs. I can actually run the battery dead trying. If it only sits for a week , it will start right up. I have no idea what this could be. Going out of my mind and tired of having to take it apart for this. If I do have to dump gas in the carbs, once it fires off and starts it is fine.
How old are the spark plugs, could they be original or partially fouled? Lots of things can contribute to what you are experiencing and need checking. Petcock or its' vacuum signal not up to snuff, leaking float bowl gaskets, mis-adjusted enrichment cable/actuator, weak battery/current draw, poor charging system voltage. Add um up.


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