2012 YAMAHA GRIZZLY 125 brake

8-7
8
14*Steering systemCheck operation and repair or replace if damaged.
Check toe-in and adjust if necessary.√√√√√
15 Engine oilChange.
Check ATV for oil leakage, and correct if neces-
sary.√ √√√
16 Engine oil strainerClean.√√√
17 Transmission oilChange.
Check ATV for oil leakage, and correct if neces-
sary.√√
18*Moving parts and
cablesLubricate.√√√√
19*Throttle leverCheck operation.
Check throttle lever free play, and adjust if neces-
sary.
Lubricate cable and lever housing.√√√√√
20*Front and rear brake
switchesCheck operation and correct if necessary.√√√√√
21*Lights and switchesCheck operation and correct if necessary.
Adjust headlight beams.√√√√√
22*BatteryCheck electrolyte level and specific gravity, and
correct if necessary.
Make sure that the breather hose is properly rout-
ed.√√√√√ NO. ITEMCHECK OR MAINTENANCE
JOBINITIAL EVERY
Whichev-
er comes
firstmonth136612
km
(mi)320
(200)1300
(800)2500
(1600)2500
(1600)5000
(3200)
hours 20 80 160 160 320U1PY60E0.book Page 7 Friday, March 11, 2011 9:30 AM

8-27
8
4. Tighten the locknut.
5. Slide the rubber cover to its original position.
EBU24060Valve clearance The valve clearance changes with use, resulting in
improper air-fuel mixture and/or engine noise. To
prevent this from occurring, the valve clearance
must be adjusted by a Yamaha dealer at the inter-
vals specified in the periodic maintenance and lu-
brication chart.
EBU29601Brakes Replacement of brake components requires pro-
fessional knowledge. Brake service should be per-
formed by a Yamaha dealer.
WARNING
EWB02571Operating with improperly serviced or adjust-
ed brakes could lead to a loss in braking ability
and an accident.EBU24090Checking the front and rear brake
shoes The front and rear brake shoes must be checked
for wear at the intervals specified in the periodic
maintenance and lubrication chart. Each brake is
provided with a wear indicator, which allows you to
check the brake shoe wear without having to dis-
assemble the brake. To check the brake shoe
wear, check the position of the wear indicator while
applying the brake. If a brake shoe has worn to the
point that the wear indicator reaches the wear limit
line or mark, have a Yamaha dealer replace the
brake shoes as a set.
1. Rubber cover
2. Throttle lever free play adjusting bolt
3. Locknut
4. Throttle lever free play
4 3
2
1
(a) (b)
U1PY60E0.book Page 27 Friday, March 11, 2011 9:30 AM

8-28
8 Front brake Rear brake
EBU24374Adjusting the front brake lever free
play The brake lever free play must be checked and, if
necessary, adjusted at the intervals specified in the
periodic maintenance and lubrication chart.TIPBefore adjusting the brake lever free play, check
the front brake shoes for wear.
1. Wear limit line
2. Wear indicator
1 2
1. Wear limit line
2. Wear indicator
1
2
U1PY60E0.book Page 28 Friday, March 11, 2011 9:30 AM

8-29
8The brake lever free play should measure 5.0–8.0
mm (0.20–0.31 in) as shown. If the free play is in-
correct, adjust it as follows.
1. Remove the front carrier by removing the
bolts.2. Remove the panel by removing the quick fas-
teners, and then pulling it upward as shown.
1. Brake lever free play
1
1. Front carrier
2. Front carrier bolt
1
22
2
U1PY60E0.book Page 29 Friday, March 11, 2011 9:30 AM

8-30
8 3. Disconnect the coupler shown.4. Remove the V-belt air filter element cover by
removing the screw.
5. Loosen the locknut and fully turn in the brake
lever free play adjusting bolt at the brake le-
ver.
1. Panel
2. Quick fastener
1. Coupler
122
1
1
1. V-belt air filter element cover
2. Screw
12
U1PY60E0.book Page 30 Friday, March 11, 2011 9:30 AM

8-31
86. Make sure the brake cable joint in the equaliz-
er is straight when the brake is applied. If the
cable joint isn’t straight, loosen the locknuts,
and then turn the adjusting nuts on the front
brake cables until the cable joint becomes
straight.
1. Locknut
2. Brake lever free play adjusting bolt
1
2
1. Brake equalizer
2. Cable joint
1. Locknut
2. Adjusting nut
aa'
a=a'
1 2
2
1 1
2
U1PY60E0.book Page 31 Friday, March 11, 2011 9:30 AM

8-32
8 7. Tighten the locknut on each brake cable.
8. Turn the brake lever free play adjusting bolt in
direction (a) to increase the free play, and in
direction (b) to decrease it.
9. Tighten the locknut at the brake lever.
10. Install the V-belt air filter element cover by in-
stalling the screw.
11. Connect the coupler, and then install the pan-
el by installing the quick fasteners.
12. Install the front carrier by installing the bolts,
and then tighten them to the specified torque.
EBU30440Adjusting the rear brake lever free play The brake lever free play must be checked and, if
necessary, adjusted at the intervals specified in the
periodic maintenance and lubrication chart.TIPBefore adjusting the brake lever free play, check
the rear brake shoes for wear.The brake lever free play should measure 5.0–8.0
mm (0.20–0.31 in) as shown. If the free play is in-
correct, adjust it as follows.
1. Locknut
2. Brake lever free play adjusting bolt
3. Brake lever free play
3
1
2
(b)
(a)
Tightening torque:
Front carrier bolt:
7 Nm (0.7 m·kgf, 5.1 ft·lbf)
U1PY60E0.book Page 32 Friday, March 11, 2011 9:30 AM

8-33
81. Loosen the locknut.
2. Turn the brake lever free play adjusting bolt in
direction (a) to increase the free play, and in
direction (b) to decrease it.3. If the correct free play cannot be obtained as
described above, turn the adjusting bolt fully in
direction (a), and then adjust the free play us-
ing the brake lever free play adjusting nut on
the rear wheel hub.
4. Turn the brake lever free play adjusting nut on
the rear wheel hub in direction (a) to increase
the free play, and in direction (b) to decrease
it.
1. Brake lever free play
1
1. Locknut
2. Brake lever free play adjusting bolt
(a)
(b)2 1
U1PY60E0.book Page 33 Friday, March 11, 2011 9:30 AM