1996 GL1500 Carbs and Vacuum


Information and questions on GL1500 Goldwings (1988-2000)
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Jetta
Posts: 2
Joined: Sun Jul 14, 2013 10:20 am
Location: Burnsville, Minnesota
Motorcycle: 1996 GL1500 Goldwing Interstate

1996 GL1500 Carbs and Vacuum

Postby Jetta » Sun Jul 14, 2013 10:33 am



My Wing has been in storage for 4 years. I can finally get it back on the road. Needless to say old gas does a world of hurt to the fuel system and carbs.

I've done a full rebuild on my carbs. I reinstalled them and am ready to adjust the pilot screws. I found one problem on start up.
The big crankcase breather tube is pulling vacuum from the crankcase. Correct me if I'm wrong, but the intake should pull air from the crankcase into the air filter. The manual I have does not address this issue as far as I can find.

Second - How do I adjust the pilot screws with the connector arm in the way?

I have a Clymer manual.

Thank You!

Pete



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ct1500
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Location: Glastonbury,CT
Motorcycle: 1988 GL1500
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Re: 1996 GL1500 Carbs and Vacuum

Postby ct1500 » Mon Jul 15, 2013 11:43 am

The hose in the right front is supposed to suck air and is for the air injection system.
This is what I do
Local and need repair help with your 1500, Valkyrie or ST please PM

Jetta
Posts: 2
Joined: Sun Jul 14, 2013 10:20 am
Location: Burnsville, Minnesota
Motorcycle: 1996 GL1500 Goldwing Interstate

Re: 1996 GL1500 Carbs and Vacuum

Postby Jetta » Mon Jul 15, 2013 11:54 am

Does the air move from the air box to the crankcase or from the crankcase to the air box?

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WingAdmin
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Re: 1996 GL1500 Carbs and Vacuum

Postby WingAdmin » Sat Aug 17, 2013 11:58 pm

Jetta wrote:Does the air move from the air box to the crankcase or from the crankcase to the air box?


Crankcase to the air box. The idea is that when burning exhaust gases push their way past the piston rings into the crankcase, they have to vent out somewhere to prevent blowing out seals. So the crankcase is vented. Venting it to the atmosphere would throw unburned hydrocarbons into the atmosphere, causing pollution, so instead it is vented into the airbox, where they are sucked into the engine and re-burned.




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