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Hi everyone!

Started by JuanZi, November 02, 2025, 08:53:44 PM

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JuanZi

November 02, 2025, 08:53:44 PM
I am a longtime Yamaha rider,with a just purchased 85 fj 1100. It seems to be mechanically ok in spite of some very dubious stuff,like a missing synchro vacuum port plug. "I dont know why it idles at 4000" LOL. Right now,my priorities with this bike are a new windshield,confirm synch before plugging port,and changing neglected oil.
Cheers!
`85 FJ1100

T Legg

#1
November 02, 2025, 09:55:06 PM
 Welcome to the forum. FJ1100's are my favorite .
I bought my last windscreen from Zero Gravity .
The left two intake vacuum ports should be connected to the ignition module for an antismog function and the fuel petcock for fuel shutoff.
   The petcock has a prime position that allows fuel to flow with no vacuum present . You can use that position to run the bike while your vacuum gauges or manometer are connected to the vacuum ports for carb balancing.
T Legg

Pat Conlon

#2
November 03, 2025, 09:29:06 AM
Welcome Juan! I glad that poor bike is in your hands now.

Cheers

Pat
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

Millietant

#3
November 03, 2025, 02:36:39 PM
Welcome Juan,

Very hair to see another FJ being given the love it deserves  :good2:

They're superb bikes once properly set up and maintained.
Dean

'89 FJ 1200 3CV - owned from new.
'89 FJ 1200 3CV - no engine, tank, seat....parts bike for the future.
'88 FJ 1200 3CV - complete runner 2024 resto project
'88 FJ 1200 3CV - became a race bike, no longer with us.
'86 FJ 1200 1TX - sold to my boss to finance the '89 3CV I still own.
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