Yamaha GRIZZLY ULTRAMATIC YFM660FP Owner's Manual page 273

ITEM
Wheels*
Wheel bearing*
Front and rear
suspension*
Steering system*
Rear upper and lower
knuckle pivots*
Drive shaft universal
joint*
Engine mount*
Front and rear axle boots*
Stabilizer bushes*
Fittings and Fasteners*
* It is recommended that these items be serviced by a Yamaha dealer.
** Lithium-soap-based grease
NOTE:
Recommended brake fluid: DOT 4
Brake fluid replacement:
1. When disassembling the master cylinder or caliper cylinder, replace the brake fluid. Normally check
the brake fluid level and add fluid as required.
2. On the inner parts of the master cylinder and caliper cylinder, replace the oil seals every two years.
3. Replace the brake hoses every four years, or if cracked or damaged.
ROUTINE
• Check balance/damage/runout.
• Repair if necessary.
• Check bearing assemblies for looseness/damage.
• Replace if damaged.
• Check operation.
• Correct if necessary.
• Check operation/Replace if damaged.
• Check toe-in/Adjust if necessary.
• Lubricate.**
• Lubricate.**
• Check for cracks or damage.
• Check operation.
• Replace if damaged.
• Check for cracks or damage.
• Check all chassis fittings and fasteners.
• Correct if necessary.
Whichever
comes first km 320
hours 20
8-8
INITIAL EVERY
1,200 2,400 2,400
75 150 150
4,800
300