1983 shocks air pump


Information and questions on GL1100 Goldwings (1980-1983)
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thomascomcast
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Motorcycle: 1979 gl1000
1983 gl1100

1983 shocks air pump

Postby thomascomcast » Sat Dec 28, 2013 4:56 pm



How can I tell if the air pump that pumps up the shocks is working at full power? I makes noise like its running but the rear shocks dont pump up. I use a vacuum checker to make sure the lines from the pump switches on the dash to the rear shocks were not leaking.



goldminerusa
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Motorcycle: 1982 gl 1100standard, 1983 1000c

Re: 1983 shocks air pump

Postby goldminerusa » Wed Jan 01, 2014 12:31 pm

the shocks are air over hydraulic, is there any or sufficient oil in the shocks? how about the seals, are they good?, not leaking. No kinks in the pressure lines. I believe the parts to rebuild the shocks are still available from Honda. Is your bike an aspy? is the gauge working right?

thomascomcast
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1983 gl1100

Re: 1983 shocks air pump

Postby thomascomcast » Wed Jan 01, 2014 5:16 pm

I swapped in another pump from another bike and everything works ok not. I took apart the bad pump and cant figure out why it wont pump even though is sounds like it is pumping. I'll take it apart again and make sure the air passages are clean. Thanks for your response

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Oldbear
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Re: 1983 shocks air pump

Postby Oldbear » Sun Jan 05, 2014 5:59 pm

Is the seal for the pump's piston dry or cracked? Put a pressure gauge on the pump and see what the ports are doing.
My wife is the greatest - she won't let me sell my bike - I'm less grumpy when I ride...

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NKYWinger
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2003 GL1800

Re: 1983 shocks air pump

Postby NKYWinger » Mon Jan 06, 2014 7:29 am

Speaking of 1983 on board air compressors......I removed mine (since I carry a 12V mini-pump in the luggage). Do ANY of you know of a fitting that will go on the hose (the hose that screws into the on board compressor) that will allow using an external pump?
I like having the display on the dash (Aspencade) and want to still use it. I'm not keen on cutting the hose in any way. Surely SOMEWHERE is an available fitting.... :?: :?:
--John--

FTCS(SS) USN Ret.
'83 GL1100 Aspy (SOLD)
'03 GL1800
'08 Lees-ure Lite
GWRRA 339547 KY - 'G'
DS# 1547

thomascomcast
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1983 gl1100

Re: 1983 shocks air pump

Postby thomascomcast » Mon Jan 06, 2014 11:40 am

Where is the seal you are talking about? I have taken the piston out and don't see anything that looks like a seal.

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Oldbear
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Re: 1983 shocks air pump

Postby Oldbear » Mon Jan 06, 2014 12:24 pm

thomascomcast wrote:Where is the seal you are talking about? I have taken the piston out and don't see anything that looks like a seal.


Is there an oring or seal around the piston? If you could post a few pictures. I've never had one of those apart
My wife is the greatest - she won't let me sell my bike - I'm less grumpy when I ride...

thomascomcast
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1983 gl1100

Re: 1983 shocks air pump

Postby thomascomcast » Mon Jan 06, 2014 5:39 pm

The piston looks just like a piston in an automobile with slots in the piston head where rings on a car piston would be but with no rings on this pump. There is an o-ring on top of the piston hole which seals the head onto the piston compartment to the top of piston hole. I'm afraid to open up the pump I put on to replace the one that doesn't work because I believe if it aint broke don't fix it.

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Oldbear
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Re: 1983 shocks air pump

Postby Oldbear » Mon Jan 06, 2014 6:33 pm

Most pistons need a seal between the piston and the cylinder wall. No seal, no compressor.
My wife is the greatest - she won't let me sell my bike - I'm less grumpy when I ride...

Dogsled
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Re: 1983 shocks air pump

Postby Dogsled » Fri Jan 10, 2014 3:15 pm

non-rebuildable.

NKY Winger; I ripped the entire pump and wiring out of my SE and did find 1 (and only one fitting to be able to charge my shock with air and keep it to hold.

I want to go to the progressive 412's and was right at the point of buying when I found the air fitting, so i'm still doing research before dumping anymore money into the bike. Here is the thing I don't understand and can't get a clear cut answer on.

The air shock is to set ride height, the coil shock is for suspension. So technically you don't need the air shock at all if you're just riding one up. Before finding an air fillable fitting I had the air shock plugged off with a brass fitting. It never bottomed out because their was an air lock in the air shock. It was sweet because the bike rode so low and was super comfortable. According to Progressive anything I feel as far as extremes in the shocks is a worn out coil spring (1996).. Technically a new coil spring on one side should work a like new suspension system as long as you don't over load it to the point of compressing the coils with weight...... But you can't buy just the one spring from my minimal research.....I gotta get to that this spring.
"Fight until hell freezes over, then fight on the ice"

thomascomcast
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Motorcycle: 1979 gl1000
1983 gl1100

Re: 1983 shocks air pump

Postby thomascomcast » Fri Jan 10, 2014 4:52 pm

The only problem I have had with not being able to use the pump to fill up the shocks is that eventually the shocks leak and resting the bike on the kick stand can get a little precarious because the bike stands almost vertical. In any case, the pump I have on it now is good. I'm not sure why a rider needs to adjust the shocks anyway. I live in Atlanta. This bike will be for sale shortly. New tires, timing belts, windshield, carb kits, clean gastank, good seats, etc. $2250 firm

Dogsled
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Re: 1983 shocks air pump

Postby Dogsled » Fri Jan 10, 2014 6:12 pm

OK, lets say you weigh 200 lbs., now you want to take the legal age neighbor girl who's 118 lbs and you want to pull a pop-up trailer to some god forsaken desolate area for who knows why...... This is why you need the air......to level out the bike with the added weight.

I never bottom out with just me riding my bike and no air in the shock.....Let me ask you this, do you add air to your front shock???? I know people that swear they need air because they bottom out. When the Wing was new it never needed air because the spring (like the one that used to be in your step and makes the legal age neighbor girl a fantasy are gone)......had the recoil needed for excellent handling. But you have the money mongers out there telling you to buy Progressive springs for three time the amount of OEM replacments...why??? So you can hit the twisties with control and confidence.....Well I ride freeways and don't need do twisties.....Answer me a question, Did Honda ever put an air fill fitting in the top of the forks at the factory?
"Fight until hell freezes over, then fight on the ice"

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NKYWinger
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2003 GL1800

Re: 1983 shocks air pump

Postby NKYWinger » Fri Jan 10, 2014 6:59 pm

Dogsled wrote:.....Answer me a question, Did Honda ever put an air fill fitting in the top of the forks at the factory?


You bet they did! My Aspencade has air both front AND rear (digital readout on the dash)....pretty sure that's the case with most Aspencades.....
--John--

FTCS(SS) USN Ret.
'83 GL1100 Aspy (SOLD)
'03 GL1800
'08 Lees-ure Lite
GWRRA 339547 KY - 'G'
DS# 1547

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Oldbear
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Re: 1983 shocks air pump

Postby Oldbear » Fri Jan 10, 2014 7:54 pm

thomascomcast wrote:I'm not sure why a rider needs to adjust the shocks anyway.


I have it soft for the bike rallies and when commuting. I add air when riding two-up or when I'm following my friends on their crock-rockets. I also adjust the anti-dive on the front forks when riding with my wife.

The diving mentioned could be the anti-dive adjusted wrong or low oil in the forks. I did a reseal a few years back - night and day difference.
My wife is the greatest - she won't let me sell my bike - I'm less grumpy when I ride...

Dogsled
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Re: 1983 shocks air pump

Postby Dogsled » Sat Jan 11, 2014 9:40 am

My SE came with no air valve in the front end. I just bought another front end and it didn't have an air valve. Was this something optional you could add. I read that the forks only needed like 2lbs of air. I was always fraid of blowing the oil seal, so I never tried it. My buddy wrecked his bike hitting a bear in tennessee and gave me his progressives, I couldnt tell the difference to be honest, but most of my riding is interstates.

NKY, you had digital readout for air on the front forks too! How was that accomplished?

I NEVER knew you could adjust the antidives, how do you do that????

You learn something new everyday
"Fight until hell freezes over, then fight on the ice"

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NKYWinger
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2003 GL1800

Re: 1983 shocks air pump

Postby NKYWinger » Sat Jan 11, 2014 10:42 am

Dogsled wrote:NKY, you had digital readout for air on the front forks too! How was that accomplished?

I NEVER knew you could adjust the antidives, how do you do that????

You learn something new everyday


1) All 83 Aspys came that way.....
2) 4 position anti dive on TRACS forks; just make sure they are set the same. The owners manual and the shop manual both explain this - I have always had mine on the most aggressive - '4' IIRC
--John--

FTCS(SS) USN Ret.
'83 GL1100 Aspy (SOLD)
'03 GL1800
'08 Lees-ure Lite
GWRRA 339547 KY - 'G'
DS# 1547

Dogsled
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Re: 1983 shocks air pump

Postby Dogsled » Sat Jan 11, 2014 3:41 pm

So the anti-dive wasn't involved with the air?

SE's don't have this? So at the time what was the more costly with additives like anti-dive adjustment bike, The Aspy or Se?

I just had to get a new set of tubes and legs from an older bike....maybe I have the adjustable antidives. When did this stop......or did it ever stop and had always been a stock item for the aspy...I looked pretty close at the lower legs and it looked like my old ones.

With so many guys rebuilding their bikes and having SE's.....even though compatable, we should know to look at the older year manuals for additional adjustments

Very interesting
"Fight until hell freezes over, then fight on the ice"

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Johnyy Smoke
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Re: 1983 shocks air pump

Postby Johnyy Smoke » Sat Jan 11, 2014 4:46 pm

"But you have the money mongers out there telling you to buy Progressive springs for three time the amount of OEM replacments...why???"
I bought the progressive springs on e-bay for $90. They lifted the front end a bit and stopped the diving at stop signs.
Overall, riding comfort is better and the handling is more solid. I don't own any shares of progressive - I do recommend them from my own experience.
And I am a Money Monger- just not on bike parts :lol: Regards, Johnyy

Dogsled
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Re: 1983 shocks air pump

Postby Dogsled » Sat Jan 11, 2014 8:12 pm

I beat you out by 90 bucks gettin mine for free.

Aren't the anti-dives supposed to stop the front end from diving at a stop sign????? :)
"Fight until hell freezes over, then fight on the ice"

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Johnyy Smoke
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Re: 1983 shocks air pump

Postby Johnyy Smoke » Sat Jan 11, 2014 8:43 pm

Please tell me about your experience with progressive springs, Regards, Johnyy

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Johnyy Smoke
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Re: 1983 shocks air pump

Postby Johnyy Smoke » Sat Jan 11, 2014 8:56 pm

And rebuilding the front forks- the more technical the better. Regards, Johnyy

Dogsled
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Re: 1983 shocks air pump

Postby Dogsled » Sat Jan 11, 2014 9:12 pm

There is an excellent step by step explanation of how to rebuild the forks on this sight. In my case I had a funny feel in my handlebars and it turned out to be the 2 bushings in each side. Just follow the step by step.
"Fight until hell freezes over, then fight on the ice"

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NKYWinger
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Motorcycle: 1983 GL1100A Aspencade
2003 GL1800

Re: 1983 shocks air pump

Postby NKYWinger » Sun Jan 12, 2014 8:21 am

Dogsled wrote:.....had the recoil needed for excellent handling. But you have the money mongers out there telling you to buy Progressive springs for three time the amount of OEM replacments...why???

Dude! The suspension is 30 years old! It's tired! Progressives get the job done - that's why we say to get them.....count me as another 'money monger' then.....btw, $90 for front springs isn't bad..
--John--

FTCS(SS) USN Ret.
'83 GL1100 Aspy (SOLD)
'03 GL1800
'08 Lees-ure Lite
GWRRA 339547 KY - 'G'
DS# 1547

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WingAdmin
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Re: 1983 shocks air pump

Postby WingAdmin » Sun Jan 12, 2014 9:09 am

Dogsled wrote:So the anti-dive wasn't involved with the air?


No. The anti-dive constricts the orifice that the shock oil is being forced through, making the shock "harder", so it takes more force to compress. So when you are on the brakes, it keeps the shock from compressing easily, but when you're not on the brakes, it lets it absorb the bumps easily.

Dogsled
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Re: 1983 shocks air pump

Postby Dogsled » Sun Jan 12, 2014 4:17 pm

Scott,that was basically what I said a few posts up and I understand what the anti-dive does and doesn't do....It was just a reply to Johnyys 'Progressives help with the front end dive.

And the money mongers I refer to are the companies that make these 'Superior' aftermarket products that haven't proven themselves to be superior than OEM specs for what they charge. Adding 4" to front springs and removing the 4" spacer from the OEM doesn't do much unless you lay them side by side and hide the spacer.....one would think he was getting 4" more suspension. For an 80's bike,a cheaper set of used OEM springs from a newer bike will perform as well as any new aftermarket.
I will say one thing,if you want to talk front and rear suspension gather your questions, call their tech help people.......they know what they're talking about and have answers for everything.......They are honest and NEVER say they exceed OEM spec products, just a good replacement.

DUDE ???????????? somebody just watched a Sean Penn movie from the 80's!!!!!!!!!!!
Is more than one DUDE, CATS??????? Might be getting my eras mixed up here BRO!!!!!!! Al


"Fight until hell freezes over, then fight on the ice"


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