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Yamaha WR450FX Owner's Service Manual page 27

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Oil capacity:
Engine oil
Periodic oil change
With oil filter replacement
Total amount
Coolant capacity (including all routes):
Air filter:
Fuel:
Type
Tank capacity
Reserve
Carburetor:
Type
Manufacturer
Spark plug:
Type/manufacturer
Gap
Clutch type:
Transmission:
Primary reduction system
Primary reduction ratio
Secondary reduction system
Secondary reduction ratio
Transmission type
Operation
Gear ratio:
1st
2nd
3rd
4th
5th
Chassis:
Frame type
Caster angle
Trail
Tire:
Type
Size (front)
Size (rear)
Tire pressure (front and rear)
GENERAL SPECIFICATIONS
0.95 L (0.84 Imp qt, 1.00 US qt)
1.0 L (0.88 Imp qt, 1.06 US qt)
1.2 L (1.06 Imp qt, 1.27 US qt)
1.0 L (0.88 Imp qt, 1.06 US qt)
Wet type element
Premium unleaded gasoline only with a research octane
number of 95 or higher.
8.0 L (1.76 Imp gal, 2.11 US gal)
1.1 L (0.24 Imp gal, 0.29 US gal)
FCR-MX39
KEIHIN
CR8E/NGK (resistance type)
0.7–0.8 mm (0.028–0.031 in)
Wet, multiple-disc
Gear
61/23 (2.652)
Chain drive
50/13 (3.846)
Constant mesh, 5-speed
Left foot operation
29/12 (2.417)
26/15 (1.733)
21/16 (1.313)
21/20 (1.050)
21/25 (0.840)
CDN, ZA
Semi double cradle
27.3 °
117 mm (4.61 in)
With tube
80/100-21 51M (CDN, ZA)
90/90-21 54R (AUS, NZ)
110/100-18 64M (CDN, ZA)
130/90-18 69R (AUS, NZ)
2
100 kPa (1.0 kgf/cm
, 15 psi)
2-2
AUS, NZ
27.0 °
116 mm (4.57 in)
2

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