1985-1986 Honda ATC250R Shop Manual, Page 204Get this manual

HYDRAULIC DISC BRAKES
BRAKE DISC
INSPECTION THICKNESS
Measure the brake disc thickness with micrometerSERVICE LIMIT: FRONT: 3.0 mm (0.12 in) REAR: 3.0 mm (0.12 in)

FRONT DISC WARPAGE

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives