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Brake Rotor Minimum Thickness(es)?

Started by Steve_in_Florida, April 11, 2016, 03:58:44 PM

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Steve_in_Florida

April 11, 2016, 03:58:44 PM

Anyone know the minimum brake rotor thicknesses for our bikes, off the top of their head?

Don't happen to have my shop manual here at work.

If it matters, I'm curious about the `92 ABS specs, but it'd be nice to have the others, if they're different.

TIA!

Steve

`90 FJ-1200
`92 FJ-1200

IBA # 54823

TexasDave

#1
April 11, 2016, 05:10:17 PM
The Yamaha manual says 7mm(0.8in). Don't know if its different for the ABS models.   Dave
A pistol is like a parachute, if you need one and don't have one you will never need one again.

MOTOMYSZOR

#2
April 12, 2016, 12:16:17 PM
FJ1200 ABS brake rotor following original manual and Haynes and my FJ:
thickness: 5mm
minimum: 4,5mm

I never heard about brake disc 7mm thick..... maybe for some older models....
We Are The People Our Parents Warned Us About

4everFJ

#3
April 12, 2016, 02:07:31 PM
The 7 mm is for the vented rotors.
1985 - Yamaha FJ1100 36Y
1978 - Yamaha SR500
1983 - Kawasaki GPZ550 (sold)
1977 - Kawasaki Z400 (sold)

XEAGLKPR

#4
June 04, 2020, 12:16:47 PM
Quote from: Steve_in_Florida on April 11, 2016, 03:58:44 PM

Anyone know the minimum brake rotor thicknesses for our bikes, off the top of their head?

Don't happen to have my shop manual here at work.

If it matters, I'm curious about the `92 ABS specs, but it'd be nice to have the others, if they're different.

TIA!

Steve


84-85 vented rotors new is 7.5mm new/ 7.0mm min
That's from my Yamaha service manual.

Dave Mc
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