Carb problem?

Information and questions on GL1200 Goldwings (1984-1987)
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Joined: Fri Jul 23, 2010 7:02 pm
Location: Elkhart, Indiana
Motorcycle: 1979 Yamaha 650 Special
1978 CB750
1980 Yamaha 650 Special
1983 Honda V65 Magna 1100c
1984 GL1200I Interstate

Carb problem?

Post by starfleetengineer » Sun May 01, 2011 6:45 pm

Yesterday I was riding down the bypass to South Bend to watch my grandsons T-ball game. The speed limit is 65mph. I was doing 65 to 70 and she seamed to be running ok. Now granted the wind was bad, but it was hitting me from the side. I was following my daughter and she decited to pick up the speed. I got up to 75mph and I feel and hear a miss in the engine. I gave here more throttle and she really missed. I still had a quarter turn left in the handle. The tach was about 4k. I backed off to 70 and she was fine again, but I could feel she has more to give. The fuel pump is working right and she runs fine 65 and below. But above she just starts missing like she is lacking fuel or something. She runs fine around town and has plunty of power for that. It's out of town that now worries me. Any ideas or anyone have the same problem? I've got the factory jets back in and floats set at 7mm. The only thing that is diffrent is that I put an 86 gl1200 in where an 84 would go. and the only differance I know of between the 2 engines is where the pulse gen goes. Its weird. My 84 Honda magna 1100, which isn't much smaller could out run my 1200 wing. My Magna weighed around 800lbs and the wing is close to the same. Maybe I'm over looking something or reading too much into it, but I thought speed, fuel and power should be better on the wing :?

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Motorcycle: 1985 gl1200a

Re: Carb problem?

Post by dan1951 » Sun May 01, 2011 8:28 pm

Hi, I can,t help You much with wing, But as far as the V65 goes it was the fastest item honda had to offer in 1983 with dual overhead cams and four valves per cylinder well over 100 H.P. Good luck with the G.W.

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Re: Carb problem?

Post by WingAdmin » Mon May 02, 2011 10:38 am

You should be having no problems at those speeds. It could be a lack of fuel volume delivery, which could be down to a clogged fuel filter, or a weak fuel pump.

It's also possible (but less likely) that your air filter is dirty/clogged.

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