Yamaha Wolverine YX70EPNG, Service Manual

Page: 107 / 503

PERIODIC MAINTENANCE
3-2
TIP
• Some maintenance items need more frequent service if you are riding in unusually wet, dusty, sandy
or muddy areas, or at full throttle.
• Hydraulic brake service
• Regularly check and, if necessary, correct the brake fluid level.
• Every two years replace the internal components of the brake calipers, and change the brake fluid.
• Replace the brake hoses every four years and if cracked or damaged.
5
Final gear oil/Differ-
ential gear oil • Check oil level/oil leakage.
• Replace.
√ √
6 * Front brake
• Check operation/brake pad wear/fluid leakage.
• Correct if necessary. Replace pads if worn to the lim-
it.
√ √ √ √ √
7 * Rear brake
• Check operation/brake pad wear/fluid leakage.
• Correct if necessary. Replace pads if worn to the lim-
it.
√ √ √ √ √
8 * Parking brake • Check operation and adjust if necessary.
√ √ √ √ √
9 * Brake fluid • Replace. Every 2 years
10 * Accelerator pedal • Check operation and free play.
√ √ √ √ √
11 * V-belt
• Check operation.
• Check for wear, cracks, or damage.
√ √ √
12 * Wheels
• Check damage/runout.
• Repair if necessary.
√ √ √ √
13 * Wheel bearings
• Check bearing assemblies for looseness/damage.
• Replace if damaged.
√ √ √ √
14 *
Front and rear sus-
pension • Check operation and for leakage.
• Correct if necessary.
√ √
15 * Steering system
• Check operation and for looseness/Replace if dam-
aged.
• Check toe-in/Adjust if necessary.
√ √ √ √ √
16 * Stabilizer bushes
• Check for cracks or other damage, and replace if
necessary.
√ √ √
17 *
Rear upper and lower
knuckle pivots
• Lubricate with lithium-soap-based grease.
√ √ √
18 *
Drive shaft universal
joint
• Lubricate with lithium-soap-based grease.
√ √ √
19 * Engine mount
• Check for cracks or damage.
• Check bolt tightness.
√ √ √
20 *
Front and rear axle
boots • Check for cracks or other damage, and replace if
necessary.
√ √
21 *
Fittings and fasten-
ers • Check all chassis fittings and fasteners.
• Correct if necessary.
√ √ √ √ √
NO. ITEM
CHECK OR MAINTENANCE
JOB
INITIAL EVERY
Whichever
comes first
month 1 3 6 6 12
km (mi)
320
(200)
1200
(750)
2400
(1500)
2400
(1500)
4800
(3000)
hours 20 75 150 150 300