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93 clutch replacement

Started by Paul.1478, Yesterday at 11:55:59 AM

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Paul.1478

Hello,
I recently got my 93 back on the road after about 15 months of sitting. I sent Robert the carbs and he did his magic, also new brass and 2 sixes large main jets to go with the last RPM exhaust left.
I went on a long ride this past weekend and noticed under REALLY hard acceleration the clutch slips a bit now.
I have been riding for 45 years, never had to replace a clutch so forgive my ignorance.
From reading this form it would seem very likely it is the clutch spring. I think all I would need to do the order a new original Yamaha one from Robert, new gasket and a stock clutch pack. From the drawing and a video I have seen, it seems I only need to remove the old spring and the clutch pack, then clip marked number 8 (and toss it out) and then the last plate 6.
Does this sound correct? No need to dig down further unless there is signs of damage.
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2006 GL1800
2022 Ducati V2
1976 RD400
1993 FJ 1200 ABS

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

Paul.1478

Yes, I read that and that is how I came to the conclusions I have made, just trying to verify.
2006 GL1800
2022 Ducati V2
1976 RD400
1993 FJ 1200 ABS

Pat Conlon

Ok, glad you read it...
1) if your fiber plates are worn, then yes, plan on removing the old fiber plates, steel plates, retaining wire clip, small inner fiber and cushioning spring. Replace the small inner fiber plate with a full size fiber plate. RPM sells a special clutch kit with these plates.
2) if your fiber plates are not worn, don't mess with them....then all you have to do is to replace the diaphragm spring (or add a second spring to your existing spring, or a Barnett coil spring conversion) I like the Barnett kit.

Chances are, all you really have to do is to add a second spring.(or Barnett kit)

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