Putting an 1100 motor back together


Information and questions on GL1100 Goldwings (1980-1983)
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cornfused
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Putting an 1100 motor back together

Post by cornfused »



I just got an 83 1100 in pieces I want to put the heads back I can line up the timing mark on the engine but without the heads on how do I get TDC? And then should I loosen all the valve tappets before installing the heads because I don't know when position the valves are in bear with me I'm new to this thanks


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Re: Putting an 1100 motor back together

Post by DenverWinger »

Just turn the crank so the crankshaft is mid-way between T1, and T2 mark in the inspection port, all the pistons should be in mid-stroke, then you can put the heads back on and turn the cams as much as you want. Valves won't touch any pistons. No need to loosen valves.

Once the heads are on and the cam timing marks are lined up, then turn the crankshaft to the T1 mark and put your cam belts on.
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Re: Putting an 1100 motor back together

Post by cornfused »

Thanks for that info I'll let you know how it goes
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Re: Putting an 1100 motor back together

Post by cornfused »

I put the heads on but I can't seem to get the right side cam mark to line up its one tooth off the other side is right on I haven't put the belts on yet any suggestions I really appreciate it thanks
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Re: Putting an 1100 motor back together

Post by Rambozo »

I'm guessing you mean the cam won't stay aligned? That is normal from the valve springs turning the cam. Several ways to overcome that.
1. Rotate the cam as you install the belt.
2. Turn the crank slightly to match the cam so that when turned both marks line up.
3. Clamp the cam sprocket to keep it from moving. Vise grips to the rescue. (be careful)
4. Use 3D printed cam blocks to hold the sprockets. (search here for the guy that sells these)
5. Wave magic wand.

Regardless how you do it. Rotate the engine by hand at least two full revolutions and ensure the timing marks all line up before putting it all back together.
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Re: Putting an 1100 motor back together

Post by cornfused »

I put the belts on and turned it over by hand but it only went about 180 then stopped I don't want to force it so any suggestions as to why it stopped and what my next step should be ? Help stuck in washington..... thanks
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Re: Putting an 1100 motor back together

Post by Rambozo »

Do you have the spark plugs out?
Rotate back to align the marks and take a photo to post here.
My guess is you have something out of time.
This is why you turn it over by hand. You can catch a mistake without damage.
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Re: Putting an 1100 motor back together

Post by cornfused »

Yes the plugs are out I just went out to take photos but the lighting in my garage is really bad .but looking at the bike I think I have to take the belts off and line up the marks again I think iwas 180 off
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Re: Putting an 1100 motor back together

Post by cornfused »

My manual says to only turn the motor over in one direction can I turn it back the other way and can you tell me how to upload photos to my posts thanks
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Re: Putting an 1100 motor back together

Post by Rambozo »

Turning it backwards is not ideal, but if the other option is bending valves...
If you search here, I'm sure how to post pictures has several topics with examples.
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Re: Putting an 1100 motor back together

Post by cornfused »

I'm not sure if these will goo0d enough but if you look close you can see "up" only about half way around. I think what i did was not have the mark at tdc but 180 off so if I take the belts off then line it all up at tdc it should be ok?? OK??? I can't get photos right sorry
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Re: Putting an 1100 motor back together

Post by Rambozo »



Go to the Attachments tab, click Add Files, locate the picture you want to add and click Open. Then select Place Inline to have it be put into your post.
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Re: Putting an 1100 motor back together

Post by WingAdmin »

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cornfused
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Re: Putting an 1100 motor back together

Post by cornfused »

Is it possible since I used a head from another motor that even though the cam pulleys line up with the marks that head may not be on the compression stroke when the other side is ? I'm not sure if that makes sense ...
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Re: Putting an 1100 motor back together

Post by Rambozo »

That's why a photograph can help clear up any confusion. And no swapping heads doesn't make a difference as long as you have the correct (R/L) camshaft installed. The pulleys/sprockets are interchangeable but the camshafts are not.
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Re: Putting an 1100 motor back together

Post by cornfused »

Ok thanks I think what I didbefore was put the belts on thinking i was at tdc but I wasn't
Right now everything lines up except the right side sprocket is one tooth off I'm going to put the belts back and see if I can get that right by rotating the
sprocket as I install the belt thanks for your help I do appreciate it
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Re: Putting an 1100 motor back together

Post by Rambozo »

I found the post with the cam holding blocks. Others have done the same with a bolt and large washers.

viewtopic.php?p=378363
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Re: Putting an 1100 motor back together

Post by cornfused »

*ok what I've done is put the crank half way between the t1 and t2 timing marks then lined up the sprockets went to t1 at tdc then put the belts on. adjusting the valves did 1 intake and exhaust 3 exhaust and 4 intake .manual says rotate 360 to ti1 it went almost to t1 then stopped the sprockets are only half way back to there marks what did I do wrong ?
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Re: Putting an 1100 motor back together

Post by Rambozo »

That photo sure could help.
Maybe you should list all the timing parts and where they came from.
For example:
Crankshaft=Original
Left head=Replacement?
Left cam=?
Right head=?
Right cam=?
Pulleys=?
Without seeing what you have or knowing more about what has changed, the only things that come to mind are you are not using the right timing marks, or you have the wrong camshafts.

Look at the photos in the thread that I linked to. They show the cam positions real clearly.
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Re: Putting an 1100 motor back together

Post by cornfused »

I looked at the photos on your link and that's what mine looked like before I rotated the crank to get to t1 on the exhaust stroke the right head is just the same as when I took it off I didn't take the cam and rocker s off the left head is . off the left side of another motor I have and I didn't remove the cam or rockers and sprocket on it I'll keep trying for some photos but my phone isnot cooperating
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Re: Putting an 1100 motor back together

Post by Maz »

cornfused wrote: Tue Oct 04, 2022 11:03 pm *ok what I've done is put the crank half way between the t1 and t2 timing marks then lined up the sprockets went to t1 at tdc then put the belts on. adjusting the valves did 1 intake and exhaust 3 exhaust and 4 intake .manual says rotate 360 to ti1 it went almost to t1 then stopped the sprockets are only half way back to there marks what did I do wrong ?
Remember the camshafts rotate at half crankshaft speed, so 360 degrees on the crankshaft is only 180 on the camshafts.
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Re: Putting an 1100 motor back together

Post by cornfused »

testing to see if photos work


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Re: Putting an 1100 motor back together

Post by cornfused »

more photos, this is the best i can do. With the timing mark almost at top dead center on the exhaust stroke.






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Re: Putting an 1100 motor back together

Post by cornfused »

The crank stopped just before tdc on the exhaust stroke I didn't know that one revolution of the crank is only one half a revolution for the cam sprocket so if I could turn the crank around again all should line up or close anyway
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Re: Putting an 1100 motor back together

Post by slickster »

It sounds like the valve timing is still off....be careful, you can bend valves....


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