1-5
1Familiarize yourself with the following pictograms and read the explanatory text, then make sure to check
the pictograms that apply to your model.
Read the Owner’s manual.
ALWAYS use an approved helmet and
protective gear.
For ATV Type 1 category Y12, use from 12
years old.
Operation of this ATV by children under the
age of 12 increases the risk of severe injury
or death.
Adult supervision required for children under
age 16.
Use from 16 years old.
Operating this ATV if you are under the age
of 16 increases your chance of severe injury
or death. NEVER use on paved roads.
NEVER carry passengers.
NEVER use with drugs or alcohol.
NEVER store fuel or flammable liquids.
U1CT62E0.book Page 5 Friday, May 11, 2012 9:03 AM
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EBU25961
SPECIFICATIONS
Dimensions:Overall length:1993 mm (78.5 in)
Overall width: 1093 mm (43.0 in)
Overall height:
1120 mm (44.1 in)
Seat height: 840 mm (33.1 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:
YFM450FAD 275.0 kg (606 lb)
YFM450FAPD 281.0 kg (619 lb)
YFM45FGD 275.0 kg (606 lb)
YFM45FGPAD 284.0 kg (626 lb)
YFM45FGPD 281.0 kg (619 lb)
YFM45FGPHD 281.0 kg (619 lb)
Noise and vibration level:Noise level (77/311/EEC):YFM45FGD 78.3 dB(A)
YFM45FGPAD 78.3 dB(A)
YFM45FGPD 78.3 dB(A)
YFM45FGPHD 78.3 dB(A)
Vibration on seat (EN1032, ISO5008): YFM45FGD 0.6 m/s²
YFM45FGPAD 0.6 m/s²
YFM45FGPD 0.6 m/s²
YFM45FGPHD 0.6 m/s²
Vibration on handlebar (EN1032, ISO5008):
YFM45FGD Will not exceed 2.5 m/s²
YFM45FGPAD Will not exceed 2.5 m/s²
YFM45FGPD Will not exceed 2.5 m/s²
YFM45FGPHD Will not exceed 2.5 m/s²Engine:Engine type:Liquid cooled 4-stroke, SOHC
Cylinder arrangement:
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 starter
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Lubrication system:Wet sumpEngine oil:Recommended brand:
YAMALUBE
Type: SAE 5W-30, 10W-30, 10W-40, 15W-40, 20W-40 or 20W-
50
Recommended engine oil grade: API service SG type or higher, JASO standard MA
Engine oil quantity: Without oil filter cartridge replacement:
2.30 L (2.43 US qt, 2.02 Imp.qt)
With oil filter cartridge replacement: 2.40 L (2.54 US qt, 2.11 Imp.qt)
Final gear oil:Type:Yamaha Friction Modified Shaft Drive Gear Oil
Quantity:
0.38 L (0.40 US qt, 0.33 Imp.qt)Differential gear oil:Type:Yamaha Friction Modified Shaft Drive Gear Oil or SAE 80
API GL-4 Hypoid gear oil
Quantity: 0.23 L (0.24 US qt, 0.20 Imp.qt)Cooling system:Coolant reservoir capacity (up to the maximum level mark):0.25 L (0.26 US qt, 0.22 Imp.qt)
Radiator capacity (including all routes): 1.32 L (1.40 US qt, 1.16 Imp.qt)Air filter:Air filter element:Wet elementFuel:Recommended fuel:
YFM450FAD Unleaded gasoline only
YFM450FAPD Unleaded gasoline only
YFM45FGD Regular unleaded gasoline only
YFM45FGPAD Regular unleaded gasoline only
YFM45FGPD Regular unleaded gasoline only
YFM45FGPHD 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)
0 10 30 50 70 90 110 130 F
–20 –10 0 10 20 30 40 50 CSAE 5W-30
SAE 10W-30
SAE 10W-40
SAE 15W-40
SAE 20W-40SAE 20W-50
U1CT62E0.book Page 2 Friday, May 11, 2012 9:03 AM
