1984 Goldwing 1200 last time started unknown


Information and questions on GL1200 Goldwings (1984-1987)
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Heavymetal
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1984 Goldwing 1200 last time started unknown

Postby Heavymetal » Wed Jul 13, 2016 11:15 am



Hi,
I recently bought a fixer upper for cheap and it was in good condition with a little rust. The chipmunks set up house in the air chamber. I am in the process of cleaning the rusty tank. The oil is clean. The brakes are so so the rear I am having trouble compressing the calipers. I took out the plugs and noted that both sides had a little rust on the plugs in the rear 2 cylinders. I sprayed PB blaster in them. I was wondering what else I must do before trying to start it? I really need to get it up running fast. Thanks.



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Maz
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Re: 1984 Goldwing 1200 last time started unknown

Postby Maz » Wed Jul 13, 2016 12:41 pm

Change the timing belts before even thinking of starting it! Once that's done, you can start the process of cleaning the fuel system , changing the oil, checking that the pistons are not seized in the cylinders etc. Not a process that should be rushed, to prevent damage to the motor.
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virgilmobile
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Re: 1984 Goldwing 1200 last time started unknown

Postby virgilmobile » Wed Jul 13, 2016 12:45 pm

With a unknown engine,I wouldn't attempt to start it without first hand turning the engine with the plugs out...Then if it feels ok,check the compression....If its up to par (above 130 psi) replace both timing belts ASAP.
There cheap and relativity easy to replace...I don't trust unknown age belts.Should one dried out belt break it usually will damage the valves/engine.
Carb issues can be resolved..a bad engine is a dealbreaker.
Next is a inspection of the charging system wiring....Plenty to read about there...The 1200's can have serious problems..Others just minor service but the charging system needs to be verified.They don't run too long if the battery isn't being charged.
Do check the coolant....It's really needed on the bike..Look at the weep hole on the lower front left of the engine for coolant or oil dripping.
If you can get it to run,then tend to the brakes...not much use fixing the brakes if the bike wont move :lol:

Date code the tires too...Don't trust anything over 4 years old...even they can be questionable quality.
If you can get it to go and stop,ya really want decent rubber to stop on.

Heavymetal
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Re: 1984 Goldwing 1200 last time started unknown

Postby Heavymetal » Thu Jul 14, 2016 2:13 pm

Thank you.. I am in the process of cleaning out the horrid gas tank with vinegar and then finally 2 stroke mixed gas to swish around to keep the rust from coming back. I am assuming this bike eats premium when I do fill it. I put in gear and turned back wheel and it seems to turn no problem the pistons are moving I think but very slowly. The clutch has no fluid in it I am hoping it is just a matter of bleeding since somebody seems to have been working on it since they put the throttle backwards and the rust in the cylinder was due to the carb hose clamps being lose. I have pb blaster in those cylinders. I am ordering belts. I noted right fork had some leakage but hasn't returned after I cleaned it.
I was wondering if there is any way to restore some of the chrome and coating like on the belt cover which are corroded some. How do you handle chrome damage??

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virgilmobile
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Re: 1984 Goldwing 1200 last time started unknown

Postby virgilmobile » Thu Jul 14, 2016 2:36 pm

Heavymetal wrote: I am assuming this bike eats premium when I do fill it.
I am ordering belts.
I noted right fork had some leakage but hasn't returned after I cleaned it.
I was wondering if there is any way to restore some of the chrome and coating like on the belt cover which are corroded some.
How do you handle chrome damage??


You can waste money if you want on premium but regular is what's used.
I'm surprised Napa doesn't have them in stock..(hope you didn't order Honda OEM..$$$).
You might drain and replace the fork oil.It's probably time anyways.Old forks can weep oil past the seal..just keep in mind that enough loss will affect the shock's ability to work and increases wear on the slides.
There's plenty of chrome cleaners on the market..I use crumpled aluminum foil and vinegar.
The front covers are polished aluminum and then clear coated...I had to strip mine clean then hand polish them again.Lots of time involved..Some just clean and paint.

I'm kinda working on chrome damage myself..(Louisiana weather)...Some specks have rusted through and the chromium coating is gone.For the moment I just keep it cleaned.

I'm trying to adapt a method I use to electroplate metal with nickel.(yes I electroplated a rusted Ruger 22 auto...Turned out great)...
It's not chromium but I'm hoping to fill the damaged/rusted spots with a shiny nickel coating that actually sticks..the electroplate method..I just need to devise a method that anybody could use directly on there bike without removing the chrome.
I have ideas...just not tested yet.

Heavymetal
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Re: 1984 Goldwing 1200 last time started unknown

Postby Heavymetal » Sat Jul 16, 2016 4:49 pm

Help!!!! I started to change timing belts and I discovered the engine wouldn't turn all the way around just about half way. The timing marks are off on one side of the motor and I am not sure if the crank is where it should be. But could being off slightly cause it to not turn? How do I figure out what is wrong?

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twocams
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Re: 1984 Goldwing 1200 last time started unknown

Postby twocams » Sat Jul 16, 2016 5:50 pm

Get your book out heavymetal. The timing marks all have to be lined up in there proper orientation. And TDC on compression stroke. And yes just one camshaft being off can make it not turn over if the piston is hitting 1 valve.

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Heavymetal
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Re: 1984 Goldwing 1200 last time started unknown

Postby Heavymetal » Sun Jul 17, 2016 11:40 am

OK messing with the marks does seem to do much. I hear a whirring sound when I turn the motor the littlr it will turn I read somewhere that might be the starter. It seems to be the rear cylinder on the left side when you are sitting on bike and I noticed that the cam on that side turned much harder then the right one. Also pulled out a bunch of rusty stuff on a magnet and what looks to be a small piece of wire. It makes a hard stop when I turn it like it was hitting something. Could the starter do this??? I do know one thing the left cam turns much harder the right just has spring resistance. Also the rear brakes wont compress both piston together is there a blockage in there? The greatest one of them all is that the clutch cylinder is full of powder.

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twocams
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Re: 1984 Goldwing 1200 last time started unknown

Postby twocams » Sun Jul 17, 2016 1:10 pm

Are you pulling this rust and wire out of a spark plug hole? If so that could me piston ring. You may want to pull the head off that side. Before you get carried away. :(

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Heavymetal
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Re: 1984 Goldwing 1200 last time started unknown

Postby Heavymetal » Sun Jul 17, 2016 1:40 pm

I was afraid of that myself. A shaving but how will I know when I do pull the head if it is just a shaving. I got a bunch of rust on the magnet then one small piece of what seemed to be like spring or steel wool type wire.

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twocams
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Re: 1984 Goldwing 1200 last time started unknown

Postby twocams » Sun Jul 17, 2016 2:49 pm

Well depending on what you find on that side, you may want to pull the other head also. Rust in a engine cylinder is never a good sign of anything.....good. :? You may not want to go any further,get another engine. After all the engine is 80% of the whole bike.

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Heavymetal
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Motorcycle: 1984 GL1200 Interstate

Re: 1984 Goldwing 1200 last time started unknown

Postby Heavymetal » Sun Jul 17, 2016 2:54 pm

I Have another thought. Could a valve be stuck on that side which is causing the turning problem on the cam and the hit as well? When I cracked it open the marks were close to 1 and it hadn't been run since worked on. So maybe the valve rusted open. What is the firing order? I am assuming the back left is number one.

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twocams
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Re: 1984 Goldwing 1200 last time started unknown

Postby twocams » Sun Jul 17, 2016 4:50 pm

Sure valve could be rusted open/closed. Thats why I would pull the heads myself.
Sitting on bike:
1 front right
2 front left
3 rear right
4 left rear
heavy where's your Book

Heavymetal
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Re: 1984 Goldwing 1200 last time started unknown

Postby Heavymetal » Sun Jul 17, 2016 5:41 pm

Thanks no book yet. I am poor so every penny counts where is good place to get book cheap? I am stuck with Google. It seems to be the number 4 that has all the rust the valves all seem to move. Is it possible that the piston is jamming at some point? I just would hate to yank the heads then find out it was the stator or starter or something else that is jamming it. What could cause it to jam besides the piston? It seems to be hitting something real solid and there is that strange whirring sound when I turn the crank. Is it supposed to whir???

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Re: 1984 Goldwing 1200 last time started unknown

Postby julimike54 » Tue Jul 19, 2016 4:02 pm

Don't know what you might be hearing that would be a whir? There could be something internal that is stopping rotation, but it's a matter of elimination. Remove the heads, eliminate them as a problem, etc. How are you rotating the engine?

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Heavymetal
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Re: 1984 Goldwing 1200 last time started unknown

Postby Heavymetal » Tue Jul 19, 2016 7:46 pm

I am rotating the engine from the front clockwise. It stops with 3 at the top and 4 almost at the top. 3 is the most rusty one. It feels like I am hitting something solid. I Put a camera inside 3 and where it stops the camera won't fit inside at all. It's right at the top. I noted the valves on 3 were yucky and I could see rust but hopefully cylinder still OK. I was told removing head was hard is that true? Also could just rust make it stop like that? Is there anything else that could jam???

Heavymetal
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Motorcycle: 1984 GL1200 Interstate

Re: 1984 Goldwing 1200 last time started unknown

Postby Heavymetal » Tue Jul 19, 2016 7:47 pm

No wait it 4 that is at top and 3 almost oops.

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julimike54
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Re: 1984 Goldwing 1200 last time started unknown

Postby julimike54 » Wed Jul 20, 2016 7:31 am

Head removal requires patience, torque wrench, patience, gasket remover tools, and I've been told and seen that the Honda OEM gasket use insures the best success. If you remove the heads and find the inside is trash, then you may want to find a new engine. You may find the PO dropped something in there and it just needs some TLC to get it back on the road. I read somewhere that a small screw fell in through the spark plug hole. He went to start and motor wouldn't rotate. He pulled the heads to find out what was going on and found his lost screw. He got lucky as no damage except above the piston TDC and on the piston top a couple of marks. You may find something in the head is broke. One poster found that the cam journals were scored badly, another found a bent valve.
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ekvh
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Re: 1984 Goldwing 1200 last time started unknown

Postby ekvh » Thu Jul 21, 2016 1:31 pm

Read/watch this: http://www.classicgoldwings.com/forum/v ... ming+marks

Then check your timing marks.




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