How to check oil level in front forks of GL1200


Information and questions on GL1200 Goldwings (1984-1987)
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Cindy
Posts: 19
Joined: Sat Feb 26, 2011 6:06 pm
Location: Harrisonburg, Virginia
Motorcycle: 1985 GL1200 Aspencade
1995 GL1500 SE

How to check oil level in front forks of GL1200

Postby Cindy » Mon Apr 11, 2011 11:09 am



I have searched the owners manual, and the forks doesn't appear to be leaking. The previous owner had never checked it. Talked to a few GW owners and they answer the same "if it's not leaking, and not giving you trouble, why mess with it". So as a new driver, I don't know enough to ask the right questions-like how and what type of oil needed?

Thanks
Cindy



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thrasherg
Posts: 1837
Joined: Tue Oct 20, 2009 11:21 am
Location: Plano, TX
Motorcycle: 2004 GL1800, 2005 Honda Shadow 750, 2008 Yamaha R6 with RG500 engine, CRF450X, CRF230, CRF250X, XR200, CR500

Re: How to check oil level in front forks of GL1200

Postby thrasherg » Mon Apr 11, 2011 11:44 am

I am not aware of anyway to really check the oil level in a set of forks. Basically if there is no leaking oil, you assume it's good until the next oil change. I always change all my fluids when I buy a second hand bike so that I know everything is good and at the correct level. If you don't know where your fork oil level is, I would suggest changing the oil, that way you know the oil that is in there is now the correct type and at the correct level.. It's not hard to do, but you do need a jack of some kind to keep the front of the bike held up whilst you remove the forks..

You can remove the top of the forks on some motorbikes and collapse the front forks, then remove the springs and use a wooden rod to measure the oil level inside the forks, but if you have gone to that length, why not just change the oil anyway!!

The short answer is there really is no easy way to know the fork oil level, if in doubt change it.. :D

Gary

Cindy
Posts: 19
Joined: Sat Feb 26, 2011 6:06 pm
Location: Harrisonburg, Virginia
Motorcycle: 1985 GL1200 Aspencade
1995 GL1500 SE

Re: How to check oil level in front forks of GL1200

Postby Cindy » Tue Apr 12, 2011 9:01 am

Ok, no way to really check, I can live with that. But I still need to know what type oil it takes in the front forks--80w gear oil perhaps? By the way, the other GW owners I checked with couldn't answer it either.

Cindy

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Mooseman
Posts: 383
Joined: Thu Sep 10, 2009 11:10 am
Location: Napa, CA
Motorcycle: 1996 GL1500SE 88k
1986 GL1200A (SOLD) 81K
1985 GL1200A (SOLD) 85K
1986 BMW K75c 25K

Re: How to check oil level in front forks of GL1200

Postby Mooseman » Tue Apr 12, 2011 11:16 pm

The book I think says automatic transmission fluid. I think 10W fork oil is close to automatic trans fluid. I use 15w Bel Rey fork oil in my Wing. 80w gear oil would be to thick. Hope this helps.
Enjoy the ride. They are all good, just some better than others.
Mooseman

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Dogmeat
Posts: 11
Joined: Sun Jan 30, 2011 11:10 am
Motorcycle: 1984 GL1200A

Re: How to check oil level in front forks of GL1200

Postby Dogmeat » Sun Apr 17, 2011 7:05 am

Bel Rey Fork Oil is the best...IMHO.

Change it and you will be glad you did.

MacNoob
Posts: 13
Joined: Wed Jul 07, 2010 8:11 pm
Location: Canada
Motorcycle: '85 GL1200 Aspencade
'82 C70
'71 CL175
'08 KLR650

Re: How to check oil level in front forks of GL1200

Postby MacNoob » Sun Apr 17, 2011 10:19 am

15W fork oil did the trick for me in my '85. There was plenty of old oil in there... also plenty of moisture etc. Look for info about changing fork springs to find some oil change tutorials too.

pudd750
Posts: 112
Joined: Sat Sep 03, 2011 2:23 am
Location: wacousta Mi
Motorcycle: 1986 GL1200 interstate
1980 GN400
1979 CB750
1996 1200 Sportster
1961 T120R sold
1975 Norton sold
1972 Moto Guzzi 750
1976 Goldwing sold
1972 SL125 sold
Honda Fat Cat
RD350 sold

Re: How to check oil level in front forks of GL1200

Postby pudd750 » Mon Sep 12, 2011 8:47 am

thrasherg wrote:I am not aware of anyway to really check the oil level in a set of forks. Basically if there is no leaking oil, you assume it's good until the next oil change. I always change all my fluids when I buy a second hand bike so that I know everything is good and at the correct level. If you don't know where your fork oil level is, I would suggest changing the oil, that way you know the oil that is in there is now the correct type and at the correct level.. It's not hard to do, but you do need a jack of some kind to keep the front of the bike held up whilst you remove the forks..

You can remove the top of the forks on some motorbikes and collapse the front forks, then remove the springs and use a wooden rod to measure the oil level inside the forks, but if you have gone to that length, why not just change the oil anyway!!

The short answer is there really is no easy way to know the fork oil level, if in doubt change it.. :D

Gary

remove the forks to remove the fork oil?? naaaah

User avatar
joew7139
Posts: 53
Joined: Wed Apr 07, 2010 10:54 pm
Location: Warner Robins, Ga
Motorcycle: 1985 GL1200A ASPENCADE

Re: How to check oil level in front forks of GL1200

Postby joew7139 » Mon Sep 12, 2011 12:19 pm

If you don't have a manuel you need to buy one, it will save you enough to pay for itself over and over again. People on here don't mind answering questions, but if you are in the middle of doing a repair and find a problem you will have to stop and wait for an answer and the illistrations are a big help to have right there to look at.




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