2017 YAMAHA WOLVERINE suspension

4-23
4
EBU33611Adjusting the front shock absorber as-
sembliesThese shock absorber assemblies are
equipped with a spring preload adjusting nut,
a rebound damping force adjusting screw, a
compression damping force adjusting bolt
(for fast compression damping), and a com-
pression damping force adjusting screw (for
slow compression damping).
WARNING
EWB02492Suspension components become hot
during operation. Never touch the com-
pression damping force adjusting bolt
and screw, the rebound damping force
adjusting screw or the oil reservoir with
your bare hand or skin until suspension
components have cooled.
 Always adjust the shock absorber as-
semblies on the left and right side to the
same setting. Uneven adjustment can
cause poor handling and loss of stability,
which could lead to an accident. NOTICEECB00091Never turn an adjusting mechanism be-
yond the minimum and maximum settings. TIPAlthough the total number of clicks or turns of
a damping force adjusting mechanism may
not exactly match the following specifications
1. Tailgate
2. Latch2
2
1
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4-24
4
due to small differences in production, the ac-
tual number of clicks or turns always repre-
sents the entire adjusting range. To obtain a
precise adjustment, it would be advisable to
check the number of clicks or turns of each
damping force adjusting mechanism and to
modify the specifications as necessary. Spring preload1. Loosen the locknut.
2. Turn the spring preload adjusting nut in direction (a) to increase the spring pre-
load and thereby harden the suspension,
and in direction (b) to decrease the spring
preload and thereby soften the suspen-
sion.
TIPA special wrench can be obtained at a
Yamaha dealer to make this adjustment.
 The spring preload setting is determined by
measuring distance A, shown in the illustra-
tion. The shorter distance A is, the higher
the spring preload; the longer distance A is,
the lower the spring preload. With each
complete turn of the adjusting nut, distance
A is changed by 1.5 mm (0.06 in). 1. Special wrench
2. Locknut
3. Spring preload adjusting nut
2
1
3
(a)
(b)
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4-28
4
Do not deform or damage the cylinders
in any way. Cylinder damage will result in
poor damping performance.
 Do not dispose of a damaged or worn
out shock absorber assembly yourself.
Take the shock absorber assembly to a
Yamaha dealer for any service. EBU33620Adjusting the rear shock absorber as-
sembliesThese shock absorber assemblies are
equipped with a spring preload adjusting nut,
a rebound damping force adjusting screw, a
compression damping force adjusting bolt
(for fast compression damping), and a com-
pression damping force adjusting screw (for
slow compression damping).
WARNING
EWB02492 Suspension components become hot
during operation. Never touch the com-
pression damping force adjusting bolt and screw, the rebound damping force
adjusting screw or the oil reservoir with
your bare hand or skin until suspension
components have cooled.
 Always adjust the shock absorber as-
semblies on the left and right side to the
same setting. Uneven adjustment can
cause poor handling and loss of stability,
which could lead to an accident.
NOTICEECB00091Never turn an adjusting mechanism be-
yond the minimum and maximum settings. TIPAlthough the total number of clicks or turns of
a damping force adjusting mechanism may
not exactly match the following specifications
due to small differences in production, the ac-
tual number of clicks or turns always repre-
sents the entire adjusting range. To obtain a
precise adjustment, it would be advisable to
U2MB7BE0.book Page 28 Thursday, March 3, 2016 11:46 AM

4-29
4
check the number of clicks or turns of each
damping force adjusting mechanism and to
modify the specifications as necessary. Spring preload1. Loosen the locknut.
2. Turn the spring preload adjusting nut in direction (a) to increase the spring pre-
load and thereby harden the suspension,
and in direction (b) to decrease the spring
preload and thereby soften the suspen-
sion.
TIPA special wrench can be obtained at a
Yamaha dealer to make this adjustment.
 The spring preload setting is determined by
measuring distance A, shown in the illustra-
tion. The shorter distance A is, the higher
the spring preload; the longer distance A is,
the lower the spring preload. With each
complete turn of the adjusting nut, distance
A is changed by 1.5 mm (0.06 in). 1. Locknut
2. Spring preload adjusting nut
3. Special wrench
1
3
2
(a)
(b)
U2MB7BE0.book Page 29 Thursday, March 3, 2016 11:46 AM

8-7
8
8*Parking brake • Check operation and adjust if necessary. √√√√√
9 *Brake fluid • Change. Every 2 years
10 *Accelerator pedal • Check operation and free play. √√√√√
11 *V-b e l t • Check operation.
• Check for wear, cracks, or damage. √√√
12 *Wheels • Check balance/damage/runout.
• Repair if necessary. √√√√
13 *Wheel bearings • Check bearing assemblies for loose-
ness/damage.
• Replace if damaged. √√√√
14 *Front and rear
suspension • Check operation and for oil leakage.
• Correct if necessary.
√√
15 *Steering system • Check operation and for looseness. Replace
if damaged.
• Check toe-in. Adjust if necessary. √√√√√
16 *Stabilizer bushes • Check for cracks or other damage, and re-
place if necessary. √√√
17 *Rear knuckle up-
per and lower piv-
ots
• Lubricate with lithium-soap-based grease.
√√√
NO. ITEM
ROUTINE INITIAL
EVERY
Whichev- er 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
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10-4
10
Rear wheel:Wheel type:Cast wheel (YXE70WPAH)
Panel wheel (YXE70WPHH, YXE70WPXH)
Rim size: 12 x 7.5ATFront brake:Type:Hydraulic disc brake
Operation: Unified brake
Specified brake fluid:
DOT 4Rear brake:Type:Hydraulic disc brake
Operation:
Unified brake
Specified brake fluid: DOT 4Front suspension:Type:
Double wishbone
Spring/shock absorber type: Coil spring/gas-oil damper
Wheel travel: 246 mm (9.7 in)Rear suspension:Type:Double wishbone Spring/shock absorber type:
Coil spring/gas-oil damper
Wheel travel: 269 mm (10.6 in)
Electrical system:Ignition system:TCI
Charging system: AC magnetoBattery:Model:U1-H11L
Voltage, capacity: 12 V, 28.0 AhHeadlight(s):Bulb type:Halogen bulbBulb voltage, wattage × quantity:Headlight:
12 V, 35.0/35.0 W × 2
Tail/brake light: 12 V, 5.0/21.0 W × 2
Neutral indicator light: LED
Reverse indicator light:
LED
Coolant temperature warning light: LED
Engine trouble warning light: LED
U2MB7BE0.book Page 4 Thursday, March 3, 2016 11:46 AM