Using Shim Selection Tool on 84 1200 Aspencade - Steve Saunders Goldwing Forums

 
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post #1 of 10 (permalink) Old 11-05-2010, 06:42 PM Thread Starter
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I just purchased shim selection tool. I put it in the hole on the 84 aspencade and there is 3/8 to 1/2 inch of clearance and this seems to be a large gap, being as there was only 1 shim in there already. Do you know how i would convert the gap to find out how many shims i will need or if there is a forum or some info out there i can search to to find out. Any info you can give me would be greatly appreciated.

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post #2 of 10 (permalink) Old 11-06-2010, 08:43 AM
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I once had one of those tools, and it was quite obvious to me at the time about how to use it. I think that it included a table to convert the measurements to number of shims to use. My memory has failed me here. I was also using a clymer manual, and it may have been in the manual--not sure.

But I can say that once you have the table, it becomes obvious.

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post #3 of 10 (permalink) Old 11-06-2010, 09:03 AM
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have you got the cam in the correct position? a lobe may be up, another thing is some times you may have to wiggle the gauge to get it to seat all the way down. a manual will tell what the clearance should be, regards walkabout

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post #4 of 10 (permalink) Old 11-06-2010, 04:04 PM Thread Starter
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Have the table now thanks to a friend who was kind enough to post it. Guess it would be easier if i wasnt working on it at night after putting a full day in at work. Thanks for the post.

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post #5 of 10 (permalink) Old 11-06-2010, 04:06 PM Thread Starter
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think i need to do a little reading first. have the table which will be a big help. thanks for the post.

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post #6 of 10 (permalink) Old 11-06-2010, 04:33 PM
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All,

I'm a bit confused here. Could you please tell me exactly what clearance/gap you are checking.

It certainly can't be valves. Not with 3/8 to 1/2 inch clearance! Plus, GL1200s have self-adjusting hydraulic valve lifters.

What clearance are you measuring?

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post #7 of 10 (permalink) Old 11-06-2010, 05:02 PM Thread Starter
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I put the shim selection tool in the holewhere the hydraulic lifter goes -and the gap between the head of the tool and the rocker arm assembly is what has the 3/8 to1/2 in. i didnt try to measure it yet with the feeler gauge to see how that converts with the table. Have you ever had todo this before? This is my firstattempt w/aGoldwing --

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post #8 of 10 (permalink) Old 11-06-2010, 05:03 PM Thread Starter
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i believe lobe is already is in down position. Turned engine over and tool went up and down.

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post #9 of 10 (permalink) Old 11-08-2010, 08:31 AM
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GW4ME,

OK, I looked through myfactory service manual to try and figure out what you are doing. Looks like you are rebuilding your cylinder heads, perhaps?

Even so, you don't need to replace the shims unless you have changed one or more of the following parts: cylinder head/camshaft holder, camshaft, valve/valve seat (refaced), or rocker arm/rocker arm shaft. If you have NOT replaced any of those, you just use the same shims that were in there.

If you have changed one of them, you have to measure and find out how many shims to install. You have to rotate the engine by hand and look at the timing marks to get them ligned up per the instructions. Check the specified valves, and then rotate the engine again to check the remaining valves. Gonna try to post a page from my service manual that explainshow to do this.



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File Type: jpg GL1200_Hydraulic-Tappet-Adjuster-Shim-Selection.jpg (83.9 KB, 30 views)

Bob
2006 Arctic White GL1800
1987 Black/Grey GL1200 Aspencade
1976 Special Candy Maroon GL1000 LTD
U.S. Navy SWO (1967-1976)
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post #10 of 10 (permalink) Old 11-08-2010, 04:54 PM Thread Starter
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Wingman 71,

Thanks, just trying to do it right and taking it in slow steps. I've been working on the bike for a year (every chance i get)- first goldwing project. you are right -bought the bike from a gentleman who had it apart in his garage. After getting the bike running, tore head off and had bad valve, valve done and valve seat reground and now have it back together and checking the shim selection. Really appreciate your input.

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