Refitting
- Place the disc on the rim so that the words face
the vehicle external side.
- Fasten the disc with the five screws and apply
specific product on them.
Recommended products
Loctite 243 Medium strength threadlock
Loctite 243 medium-strength threadlock
Locking torques (N*m)
Screws fixing rear brake disc to rim 25
Disc Inspection
Checking the disc is important; it must be perfectly
clean, with no sign of rust, oil or grease or other
dirt and must not show signs of deep scoring.
Characteristic
New rear disc thickness
5 mm
Disc thickness at wear limit (rear)
4.5 mm
- Remove the wheel and check using the appro-
priate tools that the axial run-out of the brake
surface is within the prescribed limits.
- If this is not the case, replace the disc and repeat
the test.
WHEN INSTALLING, THOROUGHLY CLEAN
THE DISC AND ITS SEAT ON THE HUB.
Characteristic
Max. axial run-out
0.1 mm
Front brake disc
Braking system GP 800 i.e.
BRAK SYS - 4