10-1
10
EBU25960
SPECIFICATIONS
Dimensions:Overall length:
1991 mm (78.4 in)
Overall width:
1093 mm (43.0 in)
Overall height:
1120 mm (44.1 in)
Seat height:
850 mm (33.5 in)
Wheelbase:
1233 mm (48.5 in)
Ground clearance:
245 mm (9.6 in)
Minimum turning radius:
3000 mm (118 in)Weight:With oil and fuel:
YFM450FAZ 289.0 kg (637 lb)
YFM45FGHZ 285.0 kg (628 lb)
YFM45FGZ 285.0 kg (628 lb)Noise and vibration level:Noise level (77/311/EEC):
YFM45FGHZ 78.3 dB(A)
YFM45FGZ 78.3 dB(A)
Vibration on seat (EN1032, ISO5008):
YFM45FGHZ Will not exceed 0.5 m/s²
YFM45FGZ Will not exceed 0.5 m/s²Vibration on handlebar (EN1032, ISO5008):
YFM45FGHZ Will not exceed 2.5 m/s²
YFM45FGZ Will not exceed 2.5 m/s²
Engine:Engine type:
Liquid cooled 4-stroke, SOHC
Cylinder arrangement:
Forward-inclined single cylinder
Displacement:
421 cm³
Bore × stroke:
84.5 × 75.0 mm (3.33 × 2.95 in)
Compression ratio:
10.00 :1
Starting system:
Electric and recoil starter
Lubrication system:
Wet sumpEngine oil:Recommended brand:
YAMALUBE
U37S61E0.book Page 1 Tuesday, June 2, 2009 10:33 AM
10-3
10
Fuel:Recommended fuel:
YFM450FAZ Unleaded gasoline only
YFM45FGHZ Regular unleaded gasoline only
YFM45FGZ Regular unleaded gasoline only
Fuel tank capacity:
15.0 L (3.96 US gal, 3.30 Imp.gal)
Fuel reserve amount:
4.5 L (1.19 US gal, 0.99 Imp.gal)Carburetor:Type × quantity:
BSR33 x 1Spark plug (s):Manufacturer/model:
NGK/DR8EA
Spark plug gap:
0.6–0.7 mm (0.024–0.028 in)Clutch:Clutch type:
Wet, centrifugal automaticTransmission:Primary reduction system:
V-belt
Secondary reduction system:
Shaft drive
Secondary reduction ratio:
39/24 × 24/18 × 33/9 (7.944)
Transmission type:
V-belt automatic
Operation:
Left hand operationReverse gear:
29/17 (1.706)
Low range:
45/16 (2.813)
High range:
38/23 (1.652)
Chassis:Frame type:
Steel tube frame
Caster angle:
2.5 °
Trail:
8.5 mm (0.33 in)Front tire:Type:
Tubeless
Size:
AT25 x 8-12
Manufacturer/model:
YFM450FAZ CHENG SHIN/C-828
YFM45FGHZ MAXXIS/M979
YFM45FGZ MAXXIS/M979Rear tire:Type:
Tubeless
Size:
AT25 x 10-12
Manufacturer/model:
YFM450FAZ CHENG SHIN/C-828
YFM45FGHZ MAXXIS/M980
YFM45FGZ MAXXIS/M980
U37S61E0.book Page 3 Tuesday, June 2, 2009 10:33 AM
