SPEC
 
2 - 1 
GENERAL SPECIFICATIONS 
EC200000 
SPECIFICATIONS 
EC211000 
GENERAL SPECIFICATIONS 
Model name: WR450FR (USA)
WR450F (EUROPE)
WR450F(R) (CDN, AUS, NZ, ZA)
Model code number: 5TJ1 (USA)
5TJ2 (EUROPE)
5TJ4 (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 998 mm (39.3 in)
Wheelbase 1,485 mm (58.5 in)
Minimum ground clearance 371 mm (14.6 in)
Basic weight:
With oil and full fuel tank 122 kg (269 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 and electric 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
140
3010
5020
6830
8640 50
104
122°CTemp.
°F
10W-30
10W-40
20W-40
20W-50
15W-40