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Welcome to the forum. Someone should be along within a few minutes to assist.
Welcome to the forum. Someone should be along within a few minutes to assist.
77 GL 1000 Intake manifold
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I bought this bike and it runs very well on the highway, but it has problems at low speeds and when rolling off the gas at a stop. It appears the rubber portions of the intake are bad (air seems to leak around them at both ends) and since there doesnt seem to be any replacement available for them I was wondering if anybody had found a substitute or if anybody had a work around.
I bought this bike and it runs very well on the highway, but it has problems at low speeds and when rolling off the gas at a stop. It appears the rubber portions of the intake are bad (air seems to leak around them at both ends) and since there doesnt seem to be any replacement available for them I was wondering if anybody had found a substitute or if anybody had a work around.
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I wonder if it wouldn't be possible to replace the deteriorated couplers between the intake runners and the carbs with a short piece of radiator hose of the right diameter. You'd probably have to use clamps on each end of the hose section rather than bonding the hose to the runner as the OEM couplers were but it should be doable.
I wonder if it wouldn't be possible to replace the deteriorated couplers between the intake runners and the carbs with a short piece of radiator hose of the right diameter. You'd probably have to use clamps on each end of the hose section rather than bonding the hose to the runner as the OEM couplers were but it should be doable.
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What makes you think they are bad? There is an O-ring at the lower end that can be replaced. The upper seal can usually be cleaned inside with brake cleaner and tightened sufficiently with the clamps. If they are not cracked they will probably work okay. The problems you describe are common problems with the gl1000 even when tuned properly. They don't like low rpms. You need to check for vacuum leaks with an unlit propane torch. If there is a leak the idle speed will change when the propane is applied. I would suggest you go here to learn about the carbs on the 1000.
www.randakks.com
What makes you think they are bad? There is an O-ring at the lower end that can be replaced. The upper seal can usually be cleaned inside with brake cleaner and tightened sufficiently with the clamps. If they are not cracked they will probably work okay. The problems you describe are common problems with the gl1000 even when tuned properly. They don't like low rpms. You need to check for vacuum leaks with an unlit propane torch. If there is a leak the idle speed will change when the propane is applied. I would suggest you go here to learn about the carbs on the 1000.
www.randakks.com
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I have done temp fixes at the carb and outer junction withRTV and tape and it seems to hold for a few days and then the problem comes back again. This weekend I will tear down the entire intake assembly, clean and rebuild with the black RTV. If I do damage one of the rubber parts I will see if I can find a hose that will fit the spot nd just replace all 4.
Thanks for the help and if anybody has other suggestions or knows of a hose that will fit please let me know.
I have done temp fixes at the carb and outer junction withRTV and tape and it seems to hold for a few days and then the problem comes back again. This weekend I will tear down the entire intake assembly, clean and rebuild with the black RTV. If I do damage one of the rubber parts I will see if I can find a hose that will fit the spot nd just replace all 4.
Thanks for the help and if anybody has other suggestions or knows of a hose that will fit please let me know.
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I've got a 1977 GL1000 also got the same problem. was told by a long time old gold owner the carb cause 90% of all engine problems. His fix, rebuild EM' keep EM' clean and keep the rev's up. o yes ! drain and blow them out for any long periods of storage or you start all over . Great forum
I've got a 1977 GL1000 also got the same problem. was told by a long time old gold owner the carb cause 90% of all engine problems. His fix, rebuild EM' keep EM' clean and keep the rev's up. o yes ! drain and blow them out for any long periods of storage or you start all over . Great forum
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