LOCKED UP! HELP!


Information and questions on GL1100 Goldwings (1980-1983)
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steve491
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Motorcycle: 1981 GL1100 Interstate

LOCKED UP! HELP!

Post by steve491 » Tue Jun 04, 2019 8:54 am



I searched the forums and didn't find an answer. If it's here I apologize in advance.
1981 GL1100i. I got it several years ago and did the usual timing belts, brake cylinders, plugs, air filter, couple oil changes, flushed fuel tank, and it ran pretty good. I put it in storage for 3 years and just got it out this past January. Flushed the tank again, fresh gas and it ran again. I have a new battery on a tender and tried to start it the other day. It didn't start right away so I let it go but accidentally left the gas on. The next day I smelled gas, none was on the floor and it didn't appear to be in the oil so I turned it off and walked away. Yesterday I put it in gear and tried to turn the motor over with the back wheel. no luck. Pulled the plugs out, no luck. Pulled the clutch in, no luck. Is it possible/probable something in the starter let loose and locked the engine up? It has occasionally had the sprags stick but it always just spun free not locked up.



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OldguyGlen
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Re: LOCKED UP! HELP!

Post by OldguyGlen » Tue Jun 04, 2019 12:01 pm

Possible suspect is hydro locked. Usually on the left side if the bike was on the side stand. Did you try the starter motor... (a mere question only... hope you did NOT try starter before confirming the motor would rotate). Were all the tests mentioned done while trying the rear wheel method? The "clutch pulled in" try... exactly what did/did not turn via the rear wheel. What gear was engaged during rear wheel test? Did you try the wrench method for manual turnover test (remove plug behind alternator, left side)? Starter sprags sticking won't typically lock the engine.

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dingdong
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Re: LOCKED UP! HELP!

Post by dingdong » Tue Jun 04, 2019 12:11 pm

Have you tried the starter with all the plugs out? If hydro locked gas will spray out so do this outside.
Tom

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John F. Kennedy would be impeached by todays liberal Democratic socialist party.

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Maz
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Re: LOCKED UP! HELP!

Post by Maz » Tue Jun 04, 2019 12:31 pm

Is the back wheel free to rotate at all? If not, check rear brake . There should be SOME movement in the wheel even if the engine is locked up.
Maz
Ironically, Common Sense is the LEAST common of all senses!

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Mh434
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Re: LOCKED UP! HELP!

Post by Mh434 » Tue Jun 04, 2019 4:57 pm

It certainly sounds like hydrolock to me. Do NOT try to force it to turn over, as that will result in bent rods & other really, really bad engine damage.

The best way to determine this is to remove ALL the plugs, first off. Then, use a narrow strip of cardboard as a dipping strip, and dip it into each of the cylinders through the spark plug holes. If it comes back wet with gas, that's your problem. At that point, I would GINGERLY try to turn the engine over with the starter (PLUGS STILL OUT!!!). If that's what it is, huge jets of gasoline will shoot out the plug holes. Best to do this outdoors, and NO OPEN FLAMES, if I need to state that!

Let us know how it goes at that point.

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Maz
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Re: LOCKED UP! HELP!

Post by Maz » Wed Jun 05, 2019 2:11 am

Mh434 wrote:
Tue Jun 04, 2019 4:57 pm
It certainly sounds like hydrolock to me. Do NOT try to force it to turn over, as that will result in bent rods & other really, really bad engine damage.
I would agree... If he hadn't said he's taken the plugs out.
Maz
Ironically, Common Sense is the LEAST common of all senses!

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Mh434
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Re: LOCKED UP! HELP!

Post by Mh434 » Wed Jun 05, 2019 10:56 am

I just wanted to be certain he'd LEFT them out!

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Maz
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Re: LOCKED UP! HELP!

Post by Maz » Wed Jun 05, 2019 11:04 am

Good point! Hadn't considered that.

Maz
Ironically, Common Sense is the LEAST common of all senses!

steve491
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Location: Charlotte, North Carolina
Motorcycle: 1981 GL1100 Interstate

Re: LOCKED UP! HELP!

Post by steve491 » Sun Jun 09, 2019 11:46 am

Thanks to everyone that replied! I panicked prematurely. When I tried to spin the engine with the back tire I only went up to 2nd gear thinking that would be high enough but it wasn't. I put it in 5th gear and the engine is not locked up. Apparently the rotating assembly has more friction than I thought even with the plugs out. Battery is new and still good, starter solenoid is functioning, starter wire is good. Starter is dead.
It's raining cats and dogs today so I took the starter off and disassembled it. Looks like where the armature wire was crimped on the lug to one of the brushes was barely crimped and barely soldered, possibly from factory, don't know. At any rate it was pretty much open circuit. I believe I can clean everything up, crimp/solder it back and be back in business. The brushes are within spec, it only has 36K original miles.
Thanks again for the input.

steve491
Posts: 15
Joined: Thu Sep 25, 2014 8:04 am
Location: Charlotte, North Carolina
Motorcycle: 1981 GL1100 Interstate

Re: LOCKED UP! HELP!

Post by steve491 » Sun Jun 09, 2019 2:17 pm

Update:
I cleaned the starter up and crimped/soldered the joint up with my high watt iron and pit it back together. Planetary gears looked perfect so I greased everything up and put it back on. Starter worked perfect so I put the plugs back in and she ran!
This summer I want to get everything worked out and determine wether to keep it or sell it. 1981 Interstate 36k miles. clean NC title.

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Mh434
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Re: LOCKED UP! HELP!

Post by Mh434 » Sun Jun 09, 2019 7:13 pm

So glad you found the problem! It's easy to focus on entirely the wrong track, and not see another, obvious source of the trouble...like I did. Sorry about that! Never thought of the starter....



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