1984 GL1200 Standard rear wheel/drive issue

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flyin900
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1984 GL1200 Standard rear wheel/drive issue

#1

Post by flyin900 »

I recently replaced the tires on my 1984 GL1200 Standard and have a question about the clearance gap between the plastic guard shroud around the outer drive assembly and the outer section of the rear wheel rim where the rear drive connects into the wheel.
I didn't take note of how these two parts were set up originally and fit together gap wise between the two parts. So now after reassembly there is a gap of about 1/8" to max of 1/4" on the rim section where the two parts connect. Shown in the pics as a clean aluminum strip around the outer section of the rear wheel drive opening.

The plastic shroud on the rear end looks like it should be over at least another 1/8" over the aluminum wheel lip to give better sealing from the outside dust/water etc. As it is now the two parts barely meet with no overlap and you can kind of see into the rear wheel with the parts just meeting flush to each other.

I have tried with the wheel on the bike and with the wheel and rear end off together to get them to seat that extra 1/8' further over. In either case I couldn't get the parts to engage further into each other and upon inspection it seems that they are over as far as they will go with the internal parts seated into the proper alignment.

If another member has the same bike could you look to see if your two parts are showing the same gap, or if the parts mate better than I have shown here. I have taken a couple of pics that show the bare aluminum area on the outer lip of the rear wheel which is about 1/4" wide with the plastic shroud cover of rear end just barely meeting over the wheel area lip.

One issue is if the wheel was to move even an 1/8 of an inch to either side of the bike the brake caliper and rotor would have an issue I believe in proper clearance, which presently is fine and seems correct in alignment.
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Last edited by flyin900 on Mon May 20, 2019 7:56 pm, edited 1 time in total.
Current Bikes:

1966 CL77 - Honda 305cc - Dual purpose - "Gentleman's Scrambler" was a period moniker.
1967 CL175K0 - Low production number with #802 engine serial- winter 2019/2020 full restoration.
1972 CB350F - Baby Four with low mileage - Cosmetic refresh to the next level 2021/2022.
1978 CB550K - Very original bike with only 7499 Km. from new - light cleanup and refresh done.
1983 CB1100F - Canadian model - DOHC Supersport in pristine low kilometre condition from new.
1984 GL1200 - Standard model in showroom condition - two owner bike from new.
1984 CX650E - Restored summer 2017 - a rare Eurosport model - excellent one owner bike.
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CYBORG
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Re: 1984 GL1200 Standard rear wheel/drive issue

#2

Post by CYBORG »

looks o.k. to me.
1978 custom GL1000
1977 custom with 1200 engine
1985 gl1200
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flyin900
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Re: 1984 GL1200 Standard rear wheel/drive issue

#3

Post by flyin900 »

Thanks for the response. I know there are a couple of 1984 GL1200 Standard owners on the forum who could verify if this is the same on their bike or not.
I haven't had it out yet to check how it rides, so I guess that is the next step to do.
Current Bikes:

1966 CL77 - Honda 305cc - Dual purpose - "Gentleman's Scrambler" was a period moniker.
1967 CL175K0 - Low production number with #802 engine serial- winter 2019/2020 full restoration.
1972 CB350F - Baby Four with low mileage - Cosmetic refresh to the next level 2021/2022.
1978 CB550K - Very original bike with only 7499 Km. from new - light cleanup and refresh done.
1983 CB1100F - Canadian model - DOHC Supersport in pristine low kilometre condition from new.
1984 GL1200 - Standard model in showroom condition - two owner bike from new.
1984 CX650E - Restored summer 2017 - a rare Eurosport model - excellent one owner bike.
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CYBORG
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Re: 1984 GL1200 Standard rear wheel/drive issue

#4

Post by CYBORG »

My 78, with lester wheel also has a wider gap that I would have thought was correct. Could not find any thing wrong. Been that way for years, no problems. I know its not a 1200, but similar issue
1978 custom GL1000
1977 custom with 1200 engine
1985 gl1200
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calif wingnut
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Re: 1984 GL1200 Standard rear wheel/drive issue

#5

Post by calif wingnut »

That's as far as it goes.
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flyin900
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Re: 1984 GL1200 Standard rear wheel/drive issue

#6

Post by flyin900 »

Thanks, I forgot you have a few of these gals.

Kind of weird as the way that shoulder is designed on the edge of the rim it looks like it should scoot over another 1/8" to overlap the rim and offer a better semi seal of the area. As it is now you can see into the rim slightly.
Current Bikes:

1966 CL77 - Honda 305cc - Dual purpose - "Gentleman's Scrambler" was a period moniker.
1967 CL175K0 - Low production number with #802 engine serial- winter 2019/2020 full restoration.
1972 CB350F - Baby Four with low mileage - Cosmetic refresh to the next level 2021/2022.
1978 CB550K - Very original bike with only 7499 Km. from new - light cleanup and refresh done.
1983 CB1100F - Canadian model - DOHC Supersport in pristine low kilometre condition from new.
1984 GL1200 - Standard model in showroom condition - two owner bike from new.
1984 CX650E - Restored summer 2017 - a rare Eurosport model - excellent one owner bike.
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CYBORG
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Re: 1984 GL1200 Standard rear wheel/drive issue

#7

Post by CYBORG »

any thought that it might not be the wheel that came with it from the factory?
1978 custom GL1000
1977 custom with 1200 engine
1985 gl1200
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flyin900
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Re: 1984 GL1200 Standard rear wheel/drive issue

#8

Post by flyin900 »

I think it is the correct rear wheel for the bike as the 1984 GL1200 has both 15" and 16" wheels which are kind of unique to the series. A 16" front and a 15" rear wheel and these wheels both match those sizes. I am the second owner too, as this was a long term ownership by the original owner who took excellent care of the bike given its great condition.

That said anything is possible though, as I am sure there maybe another Honda model that used the 150/90/15 size rear wheel. I did take it for a ride today and it rode well, so I think it should be good.

When I had the wheel/rear end off I did replace the Hypoid gear oil and used Honda Moly Paste 77 on the splines. When I got home the rear wheel right side was coated in gear oil that was puked out of the top breather tube on the drive assembly.

It looks like I overfilled the drive, as I drained out a few oz's of what seemed to be extra when I rechecked the level. :crosso
Current Bikes:

1966 CL77 - Honda 305cc - Dual purpose - "Gentleman's Scrambler" was a period moniker.
1967 CL175K0 - Low production number with #802 engine serial- winter 2019/2020 full restoration.
1972 CB350F - Baby Four with low mileage - Cosmetic refresh to the next level 2021/2022.
1978 CB550K - Very original bike with only 7499 Km. from new - light cleanup and refresh done.
1983 CB1100F - Canadian model - DOHC Supersport in pristine low kilometre condition from new.
1984 GL1200 - Standard model in showroom condition - two owner bike from new.
1984 CX650E - Restored summer 2017 - a rare Eurosport model - excellent one owner bike.
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calif wingnut
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Re: 1984 GL1200 Standard rear wheel/drive issue

#9

Post by calif wingnut »

After further review, that is not how it goes and here's why.

When I installed the wheel on the Black S yesterday, it appeared just like yours and when I tried to install the outer spacer prior to the axle, it won't fit so I knew I had a problem. Checking my Red S this am, it's with in an 1/8" from the dust shield.

I think the flange gear needs to be tapped in further....I'll be back.
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Sidecar Bob
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Re: 1984 GL1200 Standard rear wheel/drive issue

#10

Post by Sidecar Bob »

Where is the end of the axle? They are usually flush with the swingarm when they are all the way in on most Hondas.

BTW: The oil is supposed to be even with the bottom of the filler opening when the FD is mounted on the bike and the bike is on the centrestand. Perhaps you filled yours when it wasn't sitting level like that...
Mr. Honda ('83 GL1100/Dnepr) summer How a motorcycle evolves thread
The Famous Eccles ('84 CX650EI/VeloUral) winter Never Ending Build (CX500forum)
Click: Colour schematics for all GL1000 & GL1100 and GL1200 standard models plus instructions on how to download the full size version
"A guy with two sidecars can't be all bad." - Cookie
Another guy with two sidecars..... Hmmmm... must be something to that....
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flyin900
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Re: 1984 GL1200 Standard rear wheel/drive issue

#11

Post by flyin900 »

Bob, yes I filled it off the bike and didn't check it afterwards for the proper level on the bike. When I pulled the fill plug it was slightly overfilled and there was some obviously ejected on the ride.

Calf Wingnut, I am interested in what you find as I feel that the slight line that is etched in the rear wheel flange and clear in my picture is where the rear end plastic shield should come over to on the rear wheel.
The removal of the drive is a real pain as mine comes out with the drive shaft and getting the yoke to align on the shaft of the rear end and the output shaft on the motor is challenging.

When I did remove the wheel and drive completely again to check it after I couldn't get it to move over any further on the bike I did pull the drive flange and clean and lube the "fingers" of the flange and tapped it back into the wheel. I feel it seated completely, yet it is possible it didn't.

I don't have any issue with the spacer clearance on the axle and everything does line up with proper clearance around the caliper and rotor. The wheel just seems that it should be over another 1/8" like yours in your picture. In your first picture I can just barely see the line scribed into the wheel flange and your plastic shroud is aligned with that marking, so it is over the extra 1/8" that mine is not presently.

Is there a possibility of removing the drive shaft out of the rear end without pulling it out of the universal yoke up in the top of the swing arm? Do you take your rear drive out with the shaft intact and then struggle with aligning it on reassembly, especially when the yoke comes off the output shaft and you have to pull back the rubber cover to get things back together.
Last edited by flyin900 on Fri May 24, 2019 10:33 pm, edited 2 times in total.
Current Bikes:

1966 CL77 - Honda 305cc - Dual purpose - "Gentleman's Scrambler" was a period moniker.
1967 CL175K0 - Low production number with #802 engine serial- winter 2019/2020 full restoration.
1972 CB350F - Baby Four with low mileage - Cosmetic refresh to the next level 2021/2022.
1978 CB550K - Very original bike with only 7499 Km. from new - light cleanup and refresh done.
1983 CB1100F - Canadian model - DOHC Supersport in pristine low kilometre condition from new.
1984 GL1200 - Standard model in showroom condition - two owner bike from new.
1984 CX650E - Restored summer 2017 - a rare Eurosport model - excellent one owner bike.
User avatar
calif wingnut
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Posts: 1650
Joined: Wed Aug 10, 2011 10:10 am
Location: Patterson, Calif 44 years winging it

Re: 1984 GL1200 Standard rear wheel/drive issue

#12

Post by calif wingnut »

I pulled wheel again and made sure gear/axle collar where bottomed and spacer fit this time but clearance at dust shield is the same so I checked my 86A-same so I don't know at this point ? If the outer spacer fits, then all is good to go though I'll check my ltd and sei for a look. I've never pulled a u-joint out when removing a drive shaft to date but in your case, strap the s.arm up as far as it will go then remove the shaft which should prevent that from happening again. I have used the same method to install just the shaft then the r.end and another time the whole assembly...whatever worked that given day.

Bob. The 1200 axle end is machined on the protruding end for a 17mm open end.
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Re: 1984 GL1200 Standard rear wheel/drive issue

#13

Post by ericheath »

I have a 1500 final drive on a 1200 swing arm with the same appearance that it needs to go in more. I can’t find any reason for it to go more other than the look of the shield.

Looking forward to what you gentlemen find.
Whatever I suggest here should be given ample time for a moderator to delicately correct. I apologize in advance.
77 WING, 1200 engine with 77 heads, cams, gl1100 foot pegs, Magna V65 front end, 764A carbs, [-gone Suzuki M109 monoshock--, replaced with gl1100 shocks] gl 1200 swing arm, gl1500 final drive, wheel and rear brakes Valkyrie seat, Meanstreak tank, Sportster pipes, Power Arc ignition off crank.
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Sidecar Bob
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Re: 1984 GL1200 Standard rear wheel/drive issue

#14

Post by Sidecar Bob »

Sorry, I was thinking of the CX (the end of its axle is flush with the swingarm so it is easy to tell when it is all the way in). I just looked at my 'Wing; The 1100 doesn't have a head for a wrench but it does have a section that protrudes with a cross hole so you can stop it from turning when you tighten the nut. I guess they changed things with every model....

FWIW, the 1100's dust shield covers the machined part of the wheel and is within a mm or so of the black part of the wheel.
Mr. Honda ('83 GL1100/Dnepr) summer How a motorcycle evolves thread
The Famous Eccles ('84 CX650EI/VeloUral) winter Never Ending Build (CX500forum)
Click: Colour schematics for all GL1000 & GL1100 and GL1200 standard models plus instructions on how to download the full size version
"A guy with two sidecars can't be all bad." - Cookie
Another guy with two sidecars..... Hmmmm... must be something to that....
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calif wingnut
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Re: 1984 GL1200 Standard rear wheel/drive issue

#15

Post by calif wingnut »

I checked my 86A-ltd-sei and 1500 and there all the same distance out.
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