Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Front Disc Brake





Brake Rotor/Disc

Brake disc thickness
Standard 28 mm (1.10in)
Service limit 26 mm (1.024in)
Deviation Less than 0.005 mm (0.0002 in)

Front Brake Disc Runout Check
1. Place a dial gauge about 5 mm (0.2 in.) from the outer circumference of the brake disc, and measure the runout of the disc.

Brake disc runout
Limit 0.03 mm (0.00118 in.) or less (new one)