clutch problems.

Information and questions on GL1500 Goldwings (1988-2000)
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Joined: Sun Oct 27, 2013 4:34 am
Location: Brechin United Kingdom
Motorcycle: 1997 GL1500

clutch problems.

Postby Slickfirey » Fri Dec 06, 2013 7:22 am

Fellow wingers...

i had my wing out the other day 1500 SE 1997, and noticed that driving along the road i could not get above 2500rpm and it would seem the clutch was slipping as the engine speed would increase but no road speed would increase....

i suspect the clucth plates are slipping.... how easy is it to change the plates...??... i have the mechanical background as to how it works as was a motor mechanic many years ago....

does the engine have to come out, does it have to go to a specialist dealer, would i be able to do it myself in my Garage.. I have no specialist tools...

any pointers would be appreciated better still pictures would help as well.

best regards Slickfirey...

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Re: clutch problems.

Postby virgilmobile » Fri Dec 06, 2013 8:29 am

Before you go too deep,remove the clutch master cylinder,flush and clean it including the tiny pressure relief port..They can get plugged just like the brake problems...viewtopic.php?f=11&t=46

This will cause continuous and increasing pressure in the hydraulics as the engine gets warmed up....End result is a VERY tight lever (no end lever play) and a partially actuated hydraulics for the clutch...
****DO NOT use brake cleaner to clean the master cylinder...It eats the rubber****....
Flush the entire system with new dot 4 or 5 and test it again....
Nothing invested but a little time and some brake fluid...

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Re: clutch problems.

Postby Bigbiker0 » Thu Dec 19, 2013 9:26 am

Would appreciate feedback on this post.
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Posts: 6
Joined: Sun Oct 27, 2013 4:34 am
Location: Brechin United Kingdom
Motorcycle: 1997 GL1500

Re: clutch problems.

Postby Slickfirey » Thu Dec 19, 2013 9:41 am

Hey Bigbiker...

once i have time i will try what Virginmobile suggest as he was right about brakes as that was the problem with my Brakes... i bought the bike but am not sure when it was last serviced in that department...

will keep intouch...


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Re: clutch problems.

Postby Wingsconsin » Thu Dec 19, 2013 10:11 am

Unless your bike has a vast number of miles on it I would not think the clutch plates are worn out -- yet...

These bikes have a proven track record of 100's of 1000's of miles on them without clutch problems usually...

If the clutch slave is working, and the clutch hydraulic system is cleaned out, I would perhaps suspect the oil used had/has some friction modifiers that are causing the slippage. Our wet clutches do not like friction modifiers in the oil...

What could be done about it...?

Drain off a quart of oil - replace with Seafoam , or Marvel Mystery Oil , and go for a nice EASY ride. One that features a lot of shifting and low RPM's , The oil will be thinner so a lack of viscosity could reduce the lubrication properties; but the oil will also be cleaning the internals of that bad friction modifier ; hopefully returning clutch function...

Just my 2¢ .... :ugeek:
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Re: clutch problems.

Postby Sy Brule » Tue Dec 31, 2013 10:34 pm

10W-30 oils have friction reducers (Inhibitors) not for use with wet clutch systems.

Try using 20W-50 (SJ) Heavy Duty oil. 10W-30 is too light for wet clutch.

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Re: clutch problems.

Postby FM-USA » Wed Jan 01, 2014 4:38 pm

Sy Brule wrote:10W-30 oils have friction reducers (Inhibitors) not for use with wet clutch systems.

Try using 20W-50 (SJ) Heavy Duty oil. 10W-30 is too light for wet clutch.

I have successfully used 5w20 in my 1500 without problems.
It was late winter... March-ish if I remember.

In fact it actually ran better tho that oil deteriorated around 1500 miles, (gear shearing the oil molecules).
Hows the clutch lever pivot barrel?
Clutch fluid age & color?

"OIL CHANGE?" _FM 07-2009
Know its new taste and be loyal, you'll know when to change that oil.
Taste testing as the miles flow, souring as that acid grows.
And don't flirt with dirt or darkened oil, all the faster your engine will spoil.

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