Question about 1978 Honda GL 1000 (K3)

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1978 Honda Goldwing GL 1000 is stalling and running in 3 cylinder

Hello there, my Goldwing is running in 3 cylinders; I have changed the plugs, cables are OK, gas reaches the carbs OK, pilot screws are set at manufacturer's specs., adjsuted the platinums, etc. ; the motor starts right aways even after weeks of no use. yes I always have fresh gas in the tank. Do you know what it could be.
Thanks
ralph

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I know this one FOR SURE!!! Killed me for days-- my mileage was HORRIBLE, and the #2 manifold was ICE cold while the other three were nice and warm. A multiple step solution ultimately got it going again, and I was thrilled finally.

Yes, the plug is fouling out---too much fuel. Idle mixture screw is useless for this issue, return to factory spot and later set Idle proper after the carb float has been adjusted. Gotta take the carbs off for this, although not completely apart. Get the group of 4 out (lotsa tricks to do this easily, otherwise, get ready for some frustrations in taking them off--lotsa hair pulling, etc.

The adjustment of the floats in the individual carb needs to be set exact. 1/2mm high or 1/2mm too low=noticeable difference either super lean or super rich.

To confirm the fouling, after riding for 10 minutes or so, just reach down and feel that exhaust manifold. It'll be ice cold with it's pushing all the fuel past this carb. My The other firing cylinders will have these manifolds warm/hot to the touch. When this occurs, pop the plug out--you'll get a lot of gas since the fuel is leaking right down in the cylinder at an amazing rate (far faster than the running carbs consume fuel. You're oil may also be tainted now with good bit of gas mixed in.

Posted on Mar 21, 2009

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It sounds like a plugged jet in the carburetor. We just had a similar problem. The carbs were supposedly cleaned by a professional, but they left a jet plugged. Check to see if you have gas flowing to all the carbs. You may have to remove the carbs, then remove the bowl from the carburetor of the cylinder not firing. Remove the float, then remove the seat that the needle valve pushes into. If not plugged, you may have to adjust the float itself...adjust downward to allow more gas into the carb. Hope this works for you.

Posted on Sep 28, 2009

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Remove the screw at the bottom of the bowl to see if that carb is getting gas. If it is (gas will come out of the hole) then after running for 10 or more seconds remove the plug from the non operating cylinder and see if it is soaked with gas if it is there is either too much gas going to it (adjust the fuel mix screw (gently screw it fully clockwise then counterclockwise 2 1/2 turns)) start it again and see what happens. Or the plug it not getting a hot enough spark there is a certain resistance for the wire and some of the early wires had a resistor in the spark plug end of the wire and this resistance may be too high. You can get the resistance from the dealor. Good Luck

Posted on Feb 20, 2009

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1st- remove 1spark plug at at a time to check for spark as you hit start button.if all 4 good, go to step2-check cylinder compression on each cylinder should have at least 120 psi on each minimum.3rd step-if both of those(fire and compression) on each cylinder are ok, you have already checked fuel supply and quality,look at air cleaner,but really the only thing left is the carburator for that cylinder. if it never kicks in or a little bit sporadically,you need a carb set cleaning and synchronization.

Posted on Feb 19, 2009

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