float adjustment clear tube

Information and questions on GL1100 Goldwings (1980-1983)
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Posts: 26
Joined: Sat Feb 13, 2016 7:16 pm
Location: mpls Mn.
Motorcycle: 1983 GL1100 Aspencade 83 Yahama midnight virago 750

float adjustment clear tube

Post by royal57 » Sun Apr 10, 2016 4:17 am

Set floats with clear tube? last owner made changes,new parts.May not be the right ones.unable to eye-ball it,or use the 15.5.so I used 4 clear tubes.All 4 within 2/4 mm of the bottom of the bowl screw. This cleared up all idle knock,no longer Smokes.dose not backfire in carbs.Both up and down in rpms fast and smooth with out problems.wants to idle at 1800 rpm.backed out the idle screw.she will drop back down to ?900 rpm when I crack the throutle but then climbs back up to 1800 rpms. Filter and housing is still off.I'm thinking its to lean,may need to adjust floats to ?? bottom of the carb body?

Posts: 943
Joined: Thu Nov 27, 2014 2:34 am
Location: Penrith Australia
Motorcycle: 2001 GL1500F6C Valkyrie
1982 CX500 Turbo (restoration project)
1981 GL1100 Interstate (sold)
1988 GL1500 (sold)

Re: float adjustment clear tube

Post by Aussie81Interstate » Sun Apr 10, 2016 5:38 am

I think your fuel level should be higher than 2/4mm from the bottom of the bowl - sounds like they are running on empty?

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Johnyy Smoke
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Location: Se Minnesota
Motorcycle: 1980 GL1100
Vetter. "Its like Deja Vu all over again".

Re: float adjustment clear tube

Post by Johnyy Smoke » Sun Apr 10, 2016 6:51 am

The floats MUST be set at the correct height. Beg, borrow, or steal a gauge (or make one) and use it. Measure from the top of the carb body, and it must be consistent from heel to toe.
Make sure the floats are not bent in any way. They can be bent in very interesting ways, as all 4 of mine were, and they had never been taken out of the bowl! :?
"Close enough" will not cut it on this job. Regards, Johnny

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