2014 YAMAHA WR 450F gas type

PERIODIC MAINTENANCE AND ADJUSTMENT
6-9
1
2
3
4
56
7
8
9And do not touch the radiator
pipe after high-speed operation,
otherwise the cooling system is
hot and cause burns. Always let
the engine oil cool down suffi-
ciently before removing the oil
tank cap.
[EWA16140]

NOTICE: Do not
operate the vehicle until you
know that the engine oil level is
sufficient.
[ECA10011]

TIPThe engine oil should be above theminimum level mark. 4. Remove the engine oil check bolt
and its gasket, and then check the
engine oil level.
TIPThe engine oil should be below the brimof the check bolt hole. 5. If the engine oil is below the mini-
mum level mark, add sufficient oil
of the recommended type to raise
it to the brim of the engine oil check
bolt hole.
1. Engine oil tank cap
1
1. Engine oil tank cap
2. Dipstick
3. Minimum level mark
312
1. Engine oil check bolt
2. Gasket
1. Engine oil check bolt hole
21
1
1DX-9-E2.book 9 ページ ２０１３年２月２６日　火曜日　午後２時３４分

PERIODIC MAINTENANCE AND ADJUSTMENT
6-15
1
2
3
4
56
7
8
9with solvent, and then squeeze the
remaining solvent out.
WARNING!
Use only a dedicated parts
cleaning solvent. To avoid the
risk of fire or explosion, do not
use gasoline or solvents with a
low flash point.
[EWA10431]
NOTICE:
To avoid damaging the foam
material, handle it gently and
carefully, and do not twist or
wring it.
[ECA10511]
4. Apply oil of the recommended type
to the entire surface of the sponge
material, and then squeeze the ex-
cess oil out.
TIPThe sponge material should be wet butnot dripping.
5. Pull the sponge material over the air filter element frame.TIP
Align the projection on the air filter
element frame with the hole in the
sponge material.

Apply the lithium soap base grease on the matching surface on
the sponge material.
6. Insert the air filter element into the air filter case. NOTICE: Make sure
that the air filter element is prop-
erly seated in the air filter case.
The engine should never be op-
erated without the air filter ele-
ment installed, otherwise the
piston(s) and/or cylinder(s) may
become excessively worn.
[ECA10481]

TIPAlign the projection on the air filter ele-ment with the hole in the air filter case.
1. Air filter element frame
2. Sponge material
1 2
Recommended oil:
Yamaha foam air filter oil or other
quality foam air filter oil
1. Projection
2. Hole
3. Matching surface
1 23
1DX-9-E2.book 15 ページ ２０１３年２月２６日　火曜日　午後２時３４分

8-1
1
2
3
4
5
6
78
9
SPECIFICATIONS
EAU50977
Dimensions:Overall length: 2315 mm (91.1 in)
Overall width: 825 mm (32.5 in)
Overall height: 1275 mm (50.2 in)
Seat height:
960 mm (37.8 in)
Wheelbase: 1475 mm (58.1 in)
Ground clearance: 335 mm (13.19 in)
Minimum turning radius:
2400 mm (94.5 in)Weight:Curb weight: 129 kg (284 lb)
Technical permissible mass (Maximum load +
Curb weight): 219 kg (483 lb)Engine:Engine type: Liquid cooled 4-stroke, DOHC
Cylinder arrangement: Single cylinder
Displacement:
449 cm
3
Bore  stroke:
95.0  63.4 mm (3.74  2.50 in)
Compression ratio: 12.30 : 1
Starting system:
Electric starter and kickstarter Lubrication system:
Dry sump
Engine oil:Recommended brand: YAMALUBE
Type: SAE 10W-40, 10W-50, 15W-40, 20W-40 or
20W-50
Recommended engine oil grade: API service SG type or higher, JASO stan-
dard MA
Engine oil quantity:
Without oil filter element replacement: 0.95 L (1.00 US qt, 0.84 Imp.qt)
With oil filter element replacement:
1.00 L (1.06 US qt, 0.88 Imp.qt)Cooling system:Radiator capacity (including all routes): 1.04 L (1.10 US qt, 0.92 Imp.qt)Air filter:Air filter element: Wet element
Fuel:Recommended fuel:
Premium unleaded gasoline only
Fuel tank capacity: 7.2 L (1.90 US gal, 1.58 Imp.gal)
Fuel reserve amount: 3.0 L (0.79 US gal, 0.66 Imp.gal)Fuel injection:Throttle body:ID mark:
1DX1 00Spark plug(s):Manufacturer/model: NGK/CR8E
Spark plug gap:
0.7–0.8 mm (0.028–0.031 in)Clutch:Clutch type: Wet, multiple-discTransmission:Primary reduction ratio: 2.652 (61/23)
Final drive: Chain
Secondary reduction ratio:
3.357 (47/14)
Transmission type: Constant mesh 5-speed
Operation: Left foot operation
Gear ratio:
1st: 2.417 (29/12)
–20 –10 0 1020 30 40 50 C
10 30 50 70 90 110
0 130 F
SAE 20W-50SAE 20W-40SAE 15W-40SAE 10W-40SAE 10W-50
1DX-9-E2.book 1 ページ ２０１３年２月２６日　火曜日　午後２時３４分

SPECIFICATIONS
8-2
2
3
4
5
6
789
2nd: 1.733 (26/15)
3rd:
1.313 (21/16)
4th: 1.050 (21/20)
5th: 0.840 (21/25)
Chassis:Frame type: Semi double cradle
Caster angle: 27.00 
Trail:
115 mm (4.5 in)Front tire:Type: With tube
Size:
80/100-21M/C 51P
Manufacturer/model: BRIDGESTONE/GRITTY-ED03 ERear tire:Type:
With tube
Size: 120/90-18M/C 65P
Manufacturer/model: BRIDGESTONE/GRITTY-ED04 E
Maximum load:
90 kg (198 lb)
* (Total weight of rider, cargo and accesso- ries)
Tire air pressure (measured on cold
tires):Loading condition: 0–90 kg (0–198 lb)
Front:
150 kPa (1.50 kgf/cm
2, 22 psi)
Rear:
200 kPa (2.00 kgf/cm2, 29 psi)
Front wheel:Wheel type: Spoke wheel
Rim size:
21x1.60Rear wheel:Wheel type: Spoke wheel
Rim size:
18x2.15Front brake:Type: Single disc brake
Operation:
Right hand operation
Specified brake fluid: DOT 4Rear brake:Type:
Single disc brake
Operation: Right foot operation
Specified brake fluid: DOT 4
Front suspension:Type: Telescopic fork
Spring/shock absorber type: Coil spring/oil damper
Wheel travel: 300.0 mm (11.81 in)Rear suspension:Type: Swingarm (link suspension)
Spring/shock absorber type: Coil spring/gas-oil damper
Wheel travel:
299.0 mm (11.77 in)Electrical system:Ignition system: TCI
Charging system:
AC magnetoBattery:Model: YTZ7S(F)
Voltage, capacity:
12 V, 6.0 AhHeadlight:Bulb type: Halogen bulbBulb voltage, wattage  quantity:Headlight:
12 V, 35.0 W/35.0 W  1
Tail/brake light: LED
Front turn signal light:
12 V, 10.0 W  2
1DX-9-E2.book 2 ページ ２０１３年２月２６日　火曜日　午後２時３４分