abs

[and]

I am a newbie here hi guys/ i have just got a m reg fj1200 a couple of problems abs light is on but i have noticed the centre of the front wheel where i think the abs senser is/ Is spining free looks like a lug has come of could this be my problem. Also how hard a job is it to replece the swinging arm bushes. thanks for any help

[Pat Conlon]

Have i written or said something wrong i asked a couple questions on this site on 03 dec and had not one reply if the answer i needed is else were in the forum then please sombody at least point me in the rite direction.I posted questions on maintenance and modification topic.

Sorry for the late reply. I thought someone would have answered your questions by now....
I can not help you with your abs question. I don't have abs on my FJ's
I can help you with your swing arm question.
It's easy to remove and service your swing arm (with the exception of one bolt)
You want to service the roller bearings on the pivot shaft and needle bearings on the relay arm linkage points.
FYI The early FJ's '84/85 had bushings on the swingarm relay arm linkage which needed (seemingly continuous) greasing especially in wet weather climates....
All later FJ's switched over to needle bearings on the relay arm linkage, much better IMHO than the bushings.

So...Here ya go...
1) Put your FJ on the center stand.
2) Remove your back tire.
3) Remove the rear bolt on your rear brake torque arm and, by the hose, hang the caliper and mount arm over right side frame, by the passenger foot peg. No need to undo any brake lines. Just hang the hose over the right side so it's out of the way.
4) Remove the lower shock mounting bolt and dogbones. Your swing arm will now hang down.
5) Loosen and remove the pivot bolt nut and use a punch gently tap the pivot bolt out. Don't worry the swing arm will not fall out at this point.
6) From behind, lift the swing arm pivot shaft area up and back, the swing arm should come free. You may need to wiggle the swing arm pivot shaft up and down to get it loose. In all cases do not pull straight back. You will never get it out. The swingarm pivot shaft has to go UP first.... then pull back.
7) Remove the end cups over the swing arm bearings and bushing to get access and grease away.
8.) Now you have access to the rest of the swing arm linkage to remove, grease and reinstall.
Problem area: If you have the oem exhaust. The relay arm linkage bolt next to the exhaust collector box will require you to remove the exhaust collector box, (i.e.meaning the whole system) so you can get that pesky bolt out. The rear exit ports on the exhaust collector block the path of removal for the bolt. If you have a aftermarket header then you don't have this interference from the collector box and you're good to go.  
9) While you're this far, might as well remove your left side cover on the counter shaft sprocket, and remove your chain, for a through cleaning.
10) Reverse this process for reassembly. Remember to reinstall your chain before you reinstall your swing arm.

I bet'cha a jelly donut that I am not the only one who has reinstalled the swing arm and forgot about the chain.  

Check on FleaBay for Haynes or Clymer FJ service manuals. Get both. Good info. contained therein. Cheers!  Pat

[Kopfjaeger]

yup.... done that...jeez the swing arms neat and tidy.... BUGGER!!!!!!!! pass me the sapnners and make some coffee will ya!!!

[Pat Conlon]

Does this help you Steve?

[racerrad8]

Pat,
        It helped me...

http://www.fjowners.com/index.php?topic=1562.msg26345#msg26345

Randy - RPM

[Pat Conlon]

Heh, heh, yea right, you've forgotten more about FJ's than I know.......

[mikeholzer]

The front wheel ABS component you commented on Steve should not spin freely. There is a tab on that part (it is essentially a saucer shaped plate with a hole and mounting boss for the wheel speed sensor) which is meant to mate with a notch in the front fork to ensure that the sensor stays in place. If the front wheel was not installed correctly after a service, then the plate will be able to move and damage could result to the sensor.

The Yamaha manual makes it sound as though the wheel speed sensor is extremely fragile and must be treated with great care. I'm not 100% sure of that; while I do exercise some care with my wheel sensors when servicing, I do not wrap them and suspend them an make certain they avoid bits of steel as the ABS Supplement suggests. If yours is currently swaying with the breeze while the bike is in motion, it will provide an ABS fault as the computer is looking for similarity in the wheel speeds. Additionally, the ABS system monitors some other things, including whether your brake lamp switches are functional. I had the flashing ABS light for a time which turned out to be an easily replaced front lever switch.

The Yamaha ABS system is equipped with some "rudimentary" diagnostics built in. The function and diagnostics are covered well in the FJ1200AD/FJ1200ADC service manual supplement. I believe that there is a copy posted in the files section. I would e-mail it to you, but at 60MB, it is larger than a lot of e-mail services will allow.

[and]

thanks for the info its a reat help i will check everything when i can get to my bike under the snow thnks again steve