Setting timing after overhaul


Information and questions on GL1100 Goldwings (1980-1983)
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rileysaurus
Posts: 15
Joined: Sun Aug 14, 2011 8:09 pm
Location: Maine
Motorcycle: 1983 gl1100a Aspencade

Setting timing after overhaul

Postby rileysaurus » Thu Sep 22, 2011 4:36 pm



Ok, so heres the deal. I bought an 82 aspencade from a guy who had it parked on a tarped trailer for 6 whole years. It ran when he parked it, but some water found its way into the engine and has wreaked some havoc. The engine is on a table in my basement right now getting some much needed tlc. My dilemma: I cant get the engine to TDC because the pistons are frozen in the cylinders. What I want to know is how do I time the engine correctly after everything is pulled apart, cleaned and put back together?



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RoadRogue
Posts: 1919
Joined: Sun Jun 06, 2010 10:51 pm
Location: Castlegar BC, Canada
Motorcycle: 1997 1500SE

Re: Setting timing after overhaul

Postby RoadRogue » Tue Sep 27, 2011 9:38 pm

I recently aquired a couple of neglected gl1100's , one had "frozen" motor like yours. I over filled the crank case with ATF and tipped the bike on its side to let the ATF cover the bottom of the left bank pistons. I then pulled the plugs on the right side and filled the right cylinders with more ATF. 24hrs later I pulled all the plugs and put a socket on the crank and managed to rock the crank both ways a few times . Presto the engine freed up and turns over freely. once the oil was drained out I managed to fire the engine up.About an hour of my time and a day later it runs.

ATF is a good and cheap way to free up a mildly stuck engine, you can use various penetrating oils( liquid wrench,kroil,PB blaster etc.) to get the same results but they cost alot more. Give it a try before you tear down the motor. Hope this works for you.
Ride safe, Todd
Over night campers welcome

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littlebeaver
Posts: 4420
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Location: Kansas City, Kansas
Motorcycle: 1981 gl 1100 I , 79 Yamaha XS11
Special, 82 Kawa 750 CSR, 82 Kawa 750 LTD, 03 Kawa Nomad 1500, 99 Kawa Voyager 1200

Re: Setting timing after overhaul

Postby littlebeaver » Thu Sep 29, 2011 1:37 am

I wish I could anwser your question, but I have limited mechanical skill's... :(

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eklimek
Posts: 307
Joined: Tue Feb 15, 2011 1:55 pm
Location: St Catharines Ontario Canada
Motorcycle: 81 GL1100 (Widowmaker not in service), 83GL1100, CB350f x 6, CB400f x2, CB550f sold, CL350 (seized engine), plus enough donors to take me through retirement.

Re: Setting timing after overhaul

Postby eklimek » Thu Sep 29, 2011 7:08 am

How to get it to top dead centre

http://www.wikihow.com/Find-Your-Engine ... enter-(TDC)

The concept is - to find the precise dead centre of the stroke approach it from both directions and then mark the mid point.

Ideally a crank mounted degree wheel is used.

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moffat
Posts: 264
Joined: Thu Aug 05, 2010 2:30 pm
Location: Northwich United Kingdom
Motorcycle: 1982 GL1100
Interstate

Re: Setting timing after overhaul

Postby moffat » Thu Sep 29, 2011 11:05 am

You are getting into serious work here. My advice is to obtain a workshop manual and study it as it explains a lot. Some one on the forum will no doubt read this and help you get one in the USA. Good luck.

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rileysaurus
Posts: 15
Joined: Sun Aug 14, 2011 8:09 pm
Location: Maine
Motorcycle: 1983 gl1100a Aspencade

Re: Setting timing after overhaul

Postby rileysaurus » Sun Oct 09, 2011 9:19 am

Thats good advice roadrogue, but no such luck for me. I have one piston thats been soaking in marvels for 2 weeks now and still doesnt want to budge. The down side is that piston is the only thing keeping me from splitting my engine and gutting it out. Maybe ill give it the hack saw treatment :)




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