Periodic maintenance an d a djustment
7-11
7 4. Remove the sponge material from
the air filter element frame.
5. Clean the sponge material with solvent, and then squeeze the re-
maining solvent out. 6. Apply oil of the recommended
type to the entire surface of the
sponge material, and then
squeeze the excess oil out.
TIP
The sponge material should be wet but
not dripping.
7. Pull the sponge material over theair filter element frame.
8. Apply all-purpose grease to the air filter element seat.
9. Insert the air filter element into the air filter case with the projection
facing upward, and then install the
wing bolt and its washer.
NOTICE: Make sure that the air
filter element is properly seate d
in the air filter case. The en gine
shoul d never b e operated with-
out the air filter element in-
stalle d, otherwise the piston(s)
an d/or cylin der(s) may become
excessively worn.
[ECA10482]
NOTICE: Be sure to install the
washer with its curve d si de fac-
in g outwar d as shown.
[ECA16692]
1. Wing bolt
2. Washer
3. Air filter element
1. Sponge material
2. Air filter element frame
1
2
Recommended oil:
Yamaha foam air filter oil or other
quality foam air filter oil
1. Air filter element seat
1
U1SN86E0.book Page 11 Wednesday, June 7, 2017 10:21 AM
Specifications
9-2
9
Caster angle:26.0 ° (YZ85LW, YZ85LWJ)
26.3 ° (YZ85, YZ85J)
Trail: 88 mm (3.5 in) (YZ85, YZ85J)
99 mm (3.9 in) (YZ85LW, YZ85LWJ)
Front tire:
Type:With tube
Size:
70/100-17 40M (YZ85, YZ85J)
70/100-19 42M (YZ85LW, YZ85LWJ)
Manufacturer/model:
DUNLOP/MX51F
Rear tire:
Type: With tube
Size: 90/100-14 49M (YZ85, YZ85J)
90/100-16 52M (YZ85LW, YZ85LWJ)
Manufacturer/model: DUNLOP/MX51
Tire air pressure (measure d on col d
tires):
Front:
100 kPa (1.00 kgf/cm², 15 psi)
Rear:
100 kPa (1.00 kgf/cm², 15 psi)
Front wheel:
Wheel type:Spoke wheel
Rim size:
17 x 1.40 (YZ85, YZ85J)
19 x 1.40 (YZ85LW, YZ85LWJ)
Rear wheel:
Wheel type:Spoke wheel
Rim size: 14 x 1.60 (YZ85, YZ85J)
16 x 1.85 (YZ85LW, YZ85LWJ)
Front brake:
Type:
Hydraulic single disc brake
Specified brake fluid: DOT 4
Rear brake:
Type:
Hydraulic single disc brake
Specified brake fluid: DOT 4
Front suspension:
Type:Telescopic fork
Spring:
Coil spring
Shock absorber: Hydraulic damper
Wheel travel: 275 mm (10.8 in)
Rear suspension:
Type:Swingarm (link suspension)
Spring: Coil spring
Shock absorber: Gas-hydraulic damper
Wheel travel:
282 mm (11.1 in) (YZ85, YZ85J)
287 mm (11.3 in) (YZ85LW, YZ85LWJ)
Electrical system:
Ignition system:CDI
Charging system: CDI magneto
U1SN86E0.book Page 2 Wednesday, June 7, 2017 10:21 AM
