[Hawker22]

imported post

In this case, I think "smooth" is relative. If you have spark to no 1, then You should probably do a compression check on that cylinder, as it may have other issues like a stuck valve that got bent. This may explain why the gas is pooling out of it and also why it appears sluggish.

The guru's will tell you what to do. I am very new to Wings but I do know my way around the internal combustion engine.

 

[Hawker22]

imported post

exavid wrote:

:waving::waving:Welcome to the Best Goldwing Site on the Internet Larry!:waving::waving:

I think you're most likely to find one carb has a leaking float or gasket. A stuck or bent valve isn't going to cause gas to leak, the fuel air mixture isn't that rich. Pulling off one plug wire may be misleading since each ignition coil fires two plugs. Take a careful look at the spark plugs to see what their color looks like, it one is a lot blacker than the rest I'd take a close look at that carb. I'dbet that the raw gas is leaking from one of the carbs.

So, Paul, for my own education, are you saying thatalthough the No. 1 plug has spark, it is not firing due to it being fouled from excess gas due to a possible leaking carb? When he pulls the wire off the plug, he detects no change to therunning engine, so if that is so, it would certainly not have been running smoothly in the first place. I mentioned the valve only because a piston, along for the ride will cause less interference if the compression in its cylinder is very low. And he did say bit was running smoothly, and why I said that smooth is relative.But now, I think you are correct, and I bet that Larry hopes you are.

BTW, can you explainwhat you mean by pulling the wire off the plug being confusing due to each coil firing two plugs. To me, a pulled wire is a pulled wire. Does pulling a plug wire on these engines possibly affect the spark to the other plug from that coil?

 

[Hawker22]

imported post

twisty wrote:

Lard wrote:

O.K. all you experts.......I'm trying to elinimate low compression on my No. 1 cylinder as a factor. Bought a compression guage yesterday and went out this morning to check on Cletus. I removed all the spark plugs; pulled out the choke; and ran the compression check on each cylinder. Each tested between 110 - 120. Knowing that this isn't right I went in and read the Honda manual and saw that I should have done the test after getting the engine to normal operating temperature. I didn't have time to reinstall plugs and run the engine before I left for work.

What can I make of these result? Back when Cletus was on the road two weeks ago he seemed to run fine (even though apparently the No. 1 cylinder was not properly combusting) and while there was smoke (or mist) from the right exhaust pipe that smelled strongly of gasoline, there was no smoke at all from the left exhaust.

I'm wondering if the consistency of the compression test, even though I did it with the engine cool, indicates that my problem is more likely to be in the carbs and not in the valves.

Larry, with all cylinders at about the same compression (within 10#) that is a good sign. With ALL cylinders being a little on the low side that could mean you didn't have the throttle wide open (You need the throttle open to allow air to get in to be compressed),, or the engine being cold allowed some ring leakage,, or doing it with the choke on pulled in too much fuel & washed the oil from the cylinder walls,, or the cranking speed was slow & lowered the compression,, or your compression gage is inaccurate..

Warm the engine first, then do another test with the throttle held wide open,, if still low, try your compression gauge on another (known good) vehicle..

Twisty

Twisty, is it feasable or even possible to do a wet compression check on these horizontal engines? We always did that on car engines to verify rings or valves-if the compression turns out to be off normal.