Cylinder 2 spitting fuel


Information and questions on GL1100 Goldwings (1980-1983)
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sl8ern8er_60
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Motorcycle: 1983 Honda Goldwing GL1100

Cylinder 2 spitting fuel

Postby sl8ern8er_60 » Wed Oct 29, 2014 9:13 am



All, I bought a GL1100 3 weeks ago that wasn't working. It wouldn't start, after some troubleshooting I discovered no fuel was getting to the cylinders. I pulled off the carb, cleaned all the jets and completely cleaned everything. before I put it back together, I replaced the cylinder head gasket (anti-freeze was coming out the tailpipe). Once I put it back together, I replaced the timing belt, spark plugs, spark plug wires and boots (made them).

The bike will start, but it is really rough. It sounds like cylinder 2 is "misfiring" and fuel is spitting out of the exhaust. When I bought this I noticed the blinkers didn't work either. I replaced all the fuses and still no, go. I am wondering if I could have an electrical issue (because of the misfire and blinker problem). The guy before me was using a truck to jump his bike when the battery would die :shock: .

Any ideas?



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WingAdmin
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Re: Cylinder 2 spitting fuel

Postby WingAdmin » Wed Oct 29, 2014 10:03 am

Are you getting a good, healthy spark on each of the four plugs?

sl8ern8er_60
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Motorcycle: 1983 Honda Goldwing GL1100

Re: Cylinder 2 spitting fuel

Postby sl8ern8er_60 » Wed Oct 29, 2014 10:25 am

I am, however, when I pulled the spark plug wire off and trying to start it the spark plug wire was shocking me while I was holding it.. Is that normal?

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virgilmobile
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Re: Cylinder 2 spitting fuel

Postby virgilmobile » Wed Oct 29, 2014 10:28 am

I would also revisit the cam timing marks(one tooth off) then valve lash adjustments and compression test.

sl8ern8er_60
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Re: Cylinder 2 spitting fuel

Postby sl8ern8er_60 » Wed Oct 29, 2014 10:35 am

The timing belt is correct (all the marks lineup). I was thinking maybe the cylinder was getting flooded from a bad valve or I am having electrical problems (maybe a wiring harness).

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WingAdmin
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Re: Cylinder 2 spitting fuel

Postby WingAdmin » Wed Oct 29, 2014 10:52 am

sl8ern8er_60 wrote:I am, however, when I pulled the spark plug wire off and trying to start it the spark plug wire was shocking me while I was holding it.. Is that normal?


It is putting out in the neighborhood of 20,000 to 40,000 volts, so yes, it is normal that it would shock you. Normally it would find ground through the spark plug electrodes, instead it is finding ground through you. :)

The best way to check this is to put a spare or old spark plug in the boot you have removed, then push the metal part of the plug against the engine block when cranking the engine. Instead of shocking you, it will spark across the plug, and you'll be able to see the quality of the spark.

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virgilmobile
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Re: Cylinder 2 spitting fuel

Postby virgilmobile » Wed Oct 29, 2014 11:05 am

If you have 3 running cylinders and spark on the dead one,you don't have electrical problems.
The unburnt fuel is passing through one cylinder into the exhaust.
Either the exhaust valve is not closing or way too much fuel is being dumped into that cylinder.
Compression test,valve adjustments then carb problem(stuck float).

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Oldbear
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Re: Cylinder 2 spitting fuel

Postby Oldbear » Wed Oct 29, 2014 11:22 am

And on the spark testing front; I use a spark gap testing tool so I can get a qualitative test as to how each spark plug is performing compared to the others (rather than just guessing).
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Johnyy Smoke
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Re: Cylinder 2 spitting fuel

Postby Johnyy Smoke » Wed Oct 29, 2014 5:23 pm

Oldbear wrote:And on the spark testing front; I use a spark gap testing tool so I can get a qualitative test as to how each spark plug is performing compared to the others (rather than just guessing).

Good idea - another tool for my shop! Regards, Johnny




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