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85 FJ 1100 front fork maint

Started by Jpn, November 16, 2025, 04:58:22 PM

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Jpn

Never had the front forks apart on my steed, plan to replace the springs and install the gold fork valve emulators this winter. Looking at the exploded view diagram to determine what parts I will need is confusing. Any suggestions as to which seals need to be replaced for the described work. Yes I could take them apart and figure it out, trying to save some time though and have parts on hand. Any help would be appreciated.
1985 FJ 1100 rider

Pat Conlon

1) Free Owners Manual download: https://tinyurl.com/fmsz7hk9
2) Don't store your FJ with E10 fuel https://tinyurl.com/3cjrfct5
3) Replace your old stock rubber brake lines.
4) Important items for the '84-87 FJ's:
Safety wire: https://tinyurl.com/99zp8ufh
Fuel line: https://tinyurl.com/bdff9bf3

Motofun

As far as seals go....buy OEM, don't trust aftermarket seals.  Don't wait for the "I told you so".... :dash2:
'75 Honda CB400F
'85 Yamaha RZ350
'85 Yamaha FJ1100
'89 Yamaha FJ1200
'09 Yamaha 125 Zuma
'09 Kawasaki KZ110 (grand kids)
'13 Suzuki GSXR 750 (track)
'14 Yamaha FZ-09
'23 Yamaha Tenere 7
SOLD: CBX,RZ500,Ninja 650,CB400F,V45 Sabre,CB700SC,R1,GSXR1000R

Paul.1478

Doing the front and rear suspension was the one most noticeable difference on my FJ hands down.
In my opinion, stock suspension on every bike I ever owned (excluding the Ducati) are woefully inadequate.
2006 GL1800
2022 Ducati V2
1976 RD400
1993 FJ 1200 ABS

Pat Conlon

Quote from: Paul.1478 on Yesterday at 07:56:51 AMDoing the front and rear suspension was the one most noticeable difference on my FJ hands down.
In my opinion, stock suspension on every bike I ever owned (excluding the Ducati) are woefully inadequate.

Agree 100%

On our FJ's, the stock damper rod forks, springs and shock needs an upgrade.
Then...the narrow pig heavy 16" rims and biasply tires
Then....the front brakes....
Then....
Then....
1) Free Owners Manual download: https://tinyurl.com/fmsz7hk9
2) Don't store your FJ with E10 fuel https://tinyurl.com/3cjrfct5
3) Replace your old stock rubber brake lines.
4) Important items for the '84-87 FJ's:
Safety wire: https://tinyurl.com/99zp8ufh
Fuel line: https://tinyurl.com/bdff9bf3

Motofun

Pat's old enough to remember when the FJ was one of the newest hotest things around.  We didn't complain (much) back then, just kookaloo'd the hell out them.  I bet Pat thinks his 1984 desk top computer was kinda clunky too.... :wacko2:
'75 Honda CB400F
'85 Yamaha RZ350
'85 Yamaha FJ1100
'89 Yamaha FJ1200
'09 Yamaha 125 Zuma
'09 Kawasaki KZ110 (grand kids)
'13 Suzuki GSXR 750 (track)
'14 Yamaha FZ-09
'23 Yamaha Tenere 7
SOLD: CBX,RZ500,Ninja 650,CB400F,V45 Sabre,CB700SC,R1,GSXR1000R

Billy Bananahead

Quote from: Pat Conlon on Yesterday at 11:10:40 AM
Quote from: Paul.1478 on Yesterday at 07:56:51 AMDoing the front and rear suspension was the one most noticeable difference on my FJ hands down.
In my opinion, stock suspension on every bike I ever owned (excluding the Ducati) are woefully inadequate.

Agree 100%

On our FJ's, the stock damper rod forks, springs and shock needs an upgrade.
Then...the narrow pig heavy 16" rims and biasply tires
Then....the front brakes....
Then....
Then....

I've put a XJR1200 front wheel which is 3.5" wide, a matching pair of Avon Storm radial tyres, a set of XJR1200 forks with 1300 adjuster units and a Hagon rear shock on my 3CV. Out of the 4 FJ's that i've owned this one is by far the best handling that i've owned. XJR forks are 43mm with Hagon progressive springs. You can see the adjuster on the top of the forks in the photo, click to enlarge.
IMG_20240412_152207578 by XJR1200 TIGER, on Flickr