Join Date: Aug 2004
Location: Leamington, Ontario, Canada
Sounds like you have a very good running bike that only misses in neutral at 2000 RPM. That's a very difficult range to tune because it could be any of the circuits in the carbs in any of the carbs if in fact it is the carbs causing the problem. It could be a vacuum leak in the hose at the #4 carb going to the ECU, that one frequently develops a leak or it could be a vacuum leak under one of the manifolds. You can check for vacuum leaks with an unlit propane torch and listen for a drop in engine RPM when you find one. The alternative is to remove the carbs and go through them thouroughly and hopefully you find something wrong but your bike runs so good that it'll be hard to find anything wrong at this time. Keep driving it and see if the condition improves or gets worse and make a decision down the road.
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A place for GL1200\'s to gather.