Misaligned cam wheels? Help!


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cruzanron
Posts: 8
Joined: Sun Dec 16, 2018 10:05 pm
Location: Key West FL
Motorcycle: 1983 Honda Gold Wing GL1100 naked/standard

Misaligned cam wheels? Help!

Post by cruzanron » Fri Dec 21, 2018 12:14 am



I bought an 83 GL1100 a week ago with unknown history that was running kinda rough. Low rev knock, mild sputtering throughout the rev, but would start right up. At 1st I thought it was a carb synch fix, but that didn't fix it. So then I decided to do a complete service including new plugs, timing belts, oil and coolant change and adjust the valves. I followed the DIY guide here on goldwingdocs for the valves after I changed the oil. I had taken off the timing belt covers and valve covers. I took off the dust cap for the timing window on top the engine, as well and the dust cap for the crank bolt at the back of the engine-all as per directions. I lined up the T1 mark for TDC, went to adjust intake and exhaust on cylinder 1 and they were both fully engaged. Thinking I had the wrong side of T1, I rotated 360 and tried again, this time cyl 1 adjusted ok. After doing the 2 other valves as per instructions, I rotated 360 to T1 again and went to do cyl 2 and the same thing happened- both cyl 2 valves were fully engaged. I thought this was very strange and I looked at the timing belt and the pics below is what i saw. The UP marks were off by 90 degrees; at the 9 o'clock position. I rotated again 360, and the cam wheels had the UP stamp right side up. I rotated again, and they went back to 9 o'clock. I have new Gates timing belts coming tomorrow. I do not know how in the world this happened. I'm no expert, but to me, every time the crank hits T1, the cam wheels should show the UP mark at right side up or up side down. Am I correct? If I am, then would there be any harm in me putting the crank at T1 TDC, taking off both timing belts, and just hand adjust both cam wheels to have UP right side up and put the belts on? I am worried that if I do that, it can cause catastrophic damage. Any advice or thoughts are appreciated. I live in Key West, FL and the closest Honda mechanic is 3.5 hours away, so I'm pretty much on my own. cruzanron@hotmail.com



cruzanron
Posts: 8
Joined: Sun Dec 16, 2018 10:05 pm
Location: Key West FL
Motorcycle: 1983 Honda Gold Wing GL1100 naked/standard

Re: Misaligned cam wheels? Help!

Post by cruzanron » Fri Dec 21, 2018 12:15 am






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DenverWinger
Posts: 545
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Location: Denver, CO
Motorcycle: 1980 GL-1100 STD Vetter (2005-)
1993 GL-1500 Aspencade (2017-)
1983 Trav-Lite Camper (2010-)
Past rides
1972 CL-350 (1980-1988) sold
1978 Suzuki GS-550 (1985-2005) sold
1977 GL-1000 (2002-2006) sold

Re: Misaligned cam wheels? Help!

Post by DenverWinger » Fri Dec 21, 2018 8:36 am

So The cam sprockets show "UP" when you are on the T2 mark? That's the only way they could be 90 degrees out on the T1 mark, and the engine wouldn't run.
♫ 99 Little Bugs in the Code, ♪
♪ 99 Bugs in the Code. ♫ :(
♫ Take one down, Patch it around, ♪
♫ 127 Little Bugs in the Code. ♫ ♪ :shock:

~Mark

DaveO430
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Re: Misaligned cam wheels? Help!

Post by DaveO430 » Fri Dec 21, 2018 5:55 pm

Just lucky if you haven't already bent some valves. Turn the engine to the T1 mark, then back about 1/4 turn, then remove the belts and turn the cam pulleys so the up mark is up, then turn the engine forward to the T1 mark and reinstall the belts.

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dingdong
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Motorcycle: 1976 gl1000
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Re: Misaligned cam wheels? Help!

Post by dingdong » Sat Dec 22, 2018 6:33 am

I notice the mark you or someone put on the crank pully is also at 90*. Are you sure you are at the T1 mark. ??? Hmmmmm?
Tom

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

cruzanron
Posts: 8
Joined: Sun Dec 16, 2018 10:05 pm
Location: Key West FL
Motorcycle: 1983 Honda Gold Wing GL1100 naked/standard

Re: Misaligned cam wheels? Help!

Post by cruzanron » Sat Dec 22, 2018 8:50 am

Well, I feel like an idiot. Turns out i was using T1 and unknowingly using T2 marks; thus the 9 o'clock position. So I put the new timing belts on tonight and did the valves again, new plugs and oil and it sounds a little better. Still a little knock but no where as bad as before. Tomorrow I will synch the carbs, but I looked in the tank for the 1st time since I bought it and there's a decent amount of rust. Looks like I'll need to rebuild carbs and possibly get a new tank to get this beast to run smoothly.

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dingdong
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Motorcycle: 1976 gl1000
1993 gl1500
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Re: Misaligned cam wheels? Help!

Post by dingdong » Sat Dec 22, 2018 11:00 am

You might try this method to clean the tank before you buy a used tank that will need cleaning anyway.
viewtopic.php?f=11&t=1007
Tom

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

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Wilcoy02
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Location: Marengo, Ohio
Motorcycle: 1983 GL1100 I purchased 3/16

1983 GL1100I frame with an 80 engine. poor boy installed with C-5 ignition--DIED in Grande Prairie Alberta Canada 8/15


98 valkyrie sold 8/16

Re: Misaligned cam wheels? Help!

Post by Wilcoy02 » Sat Dec 22, 2018 9:59 pm

I got that noise to disappear when I set the valves to specs.



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