Air pressure in front and rear shocks


Information and questions on GL1800 Goldwings (2001-2017)
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Roypaul
Posts: 11
Joined: Sun Jun 18, 2017 3:12 am
Location: Bli bli australia
Motorcycle: 2005 goldwing

Air pressure in front and rear shocks

Post by Roypaul »



Just got a 2005 goldwing. Can’t seem to figure out the best amount of air pressure . I weigh 180 lbs. and wife is 140. Can someone give me an idea of amount to dial in.
No luggage or anything in panniers- just us.
Appreciate some ideas.
Roy



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Snowmoer
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Motorcycle: 2012 GL 1800
1977 GL 1000
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Re: Air pressure in front and rear shocks

Post by Snowmoer »

You do not put "air pressure" in the rear shock on the 1800. There is a pump that adds more oil to the shock to add pressure. You will just have to play with it and see what feels best for the way you ride. I normally have mine set at 15 when I ride one up. When on trips fully loaded and pulling my trailer, I put it up to 25. So, start at 18 or 19 and just add or take off a number or two and see how it feels for both of you.

You can not add air to the front forks like on some bikes.

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Viking
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Re: Air pressure in front and rear shocks

Post by Viking »

I put mine on 25 and leave it, and I ride alone. I do, however, ride aggressively in corners and want the side clearance so I do not scrape peg too much.
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tfdeputydawg
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Re: Air pressure in front and rear shocks

Post by tfdeputydawg »

There is no air in the front or rear suspension!
The rear has a preload adjustment using a hydraulic pump, which is not really a very good suspension anyway.
Many years ago a very wise and smart man, Tom Finch of Tail Winds trailers, wrote an article on the rear suspension design of the GL 1800. In it he explained how it worked.
The point being that one should make sure the pump is full of fluid and set the preload on 25 and leave it there.

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1985GL1200
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Motorcycle: 1998 Gl1500SE
2005 GL1800 Roadsmith Trike

Re: Air pressure in front and rear shocks

Post by 1985GL1200 »

I have a quick question, is there any adjustment or preload on the front forks? They seem to hit limits really easily, just got my 2005 with a trike conversion.

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MikeB
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Re: Air pressure in front and rear shocks

Post by MikeB »

1985GL1200 wrote:
Mon Jun 29, 2020 8:41 pm
I have a quick question, is there any adjustment or preload on the front forks? They seem to hit limits really easily, just got my 2005 with a trike conversion.
There is no adjustment on the front forks. The only upgrade is to buy and install different springs and or fork oil. I believe stock fork oil is Honda SS-8 which is 10 wt. You can go to a 15 wt and get a stiffer front end.
MikeB
Tacoma, WA, USA

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1985GL1200
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Location: Wessington Springs SD
Motorcycle: 1998 Gl1500SE
2005 GL1800 Roadsmith Trike

Re: Air pressure in front and rear shocks

Post by 1985GL1200 »

That's what I was wondering, is there a way to measure the fork oil levels? On my 1500 there was a measurement from the top of the tube. In my mind, I feel like the oil has leaked out at some point, in which case I'll need to put fork seals in.



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