Yamaha YZ450F(S), Owner'S Service Manual

Page: 72 / 642

SPEC
2 - 1
GENERAL SPECIFICATIONS
EC200000
SPECIFICATIONS
EC211000
GENERAL SPECIFICATIONS
Model name: YZ450FS (USA)
YZ450F (EUROPE)
YZ450F(S) (CDN, AUS, NZ, ZA)
Model code number: 5XD1 (USA)
5XD2 (EUROPE)
5XD4 (CDN, AUS, NZ, ZA)
Dimensions:
Overall length 2,171 mm (85.5 in)
Overall width 827 mm (32.6 in)
Overall height 1,303 mm (51.3 in)
Seat height 995 mm (39.2 in)
Wheelbase 1,485 mm (58.5 in)
Minimum ground clearance 371 mm (14.6 in)
Dry weight:
Without oil and fuel 100.0 kg (220 lb)
Engine:
Engine type Liquid cooled 4-stroke, DOHC
Cylinder arrangement Single cylinder, forward inclined
Displacement 449 cm
3
(15.8 Imp oz, 15.2 US oz)
Bore
×
stroke 95.0
×
63.4 mm (3.74
×
2.50 in)
Compression ratio 12.5 : 1
Starting system Kick starter
Lubrication system: Dry sump
Oil type or grade:
Engine oil (For USA and CDN)
At 5 ˚C (40 ˚F) or higher
Å
Yamalube 4 (20W-40) or SAE 20W-40 type SG
motor oil (Non-Friction modified)
At 15 ˚C (60 ˚F) or lower
ı
Yamalube 4 (10W-30) or SAE 10W-30 type SG
motor oil (Non-Friction modified) and/or
Yamalube 4-R (15W-50) (Non-Friction modi-
fied)
(Except for USA and CDN)
API “SG” or higher grade
-20
-4
-10
14
0
30
10
50
20
68
30
86
40 50
104
122
°
C Temp.
°
F
10W-30
10W-40
20W-40
20W-50
15W-40