GENERAL SPECIFICATIONS

 

SPEC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Oil capacity:

 

 

 

 

 

Engine oil

 

 

 

 

 

Periodic oil change

1.2 L (1.06 Imp qt, 1.27 US qt)

 

With oil filter replacement

1.3 L (1.14 Imp qt, 1.37 US qt)

 

Total amount

1.4 L (1.23 Imp qt, 1.48 US qt)

 

 

 

 

Coolant capacity (including all routes):

1.3 L (1.14 Imp qt, 1.37 US qt)

 

 

 

 

Air filter:

Wet type element

 

 

 

 

 

 

 

Fuel:

 

 

 

 

 

Type

Premium unleaded gasoline only with a

 

 

research octane number of 95 or higher.

 

 

(Except for ZA)

 

 

Premium gasoline (For ZA)

 

Tank capacity

10 L (2.2 Imp gal, 2.64 US gal)

 

Reserve

1.2 L (0.26 Imp gal, 0.32 US gal)

 

 

 

 

 

 

 

Carburetor:

 

 

 

 

 

Type

FCR-MX37

 

Manufacturer

KEIHIN

 

 

 

 

 

 

 

Spark plug:

 

 

 

 

 

Type/manufacturer

CR8E/NGK (resistance type)

 

Gap

0.7 ~ 0.8 mm (0.028 ~ 0.031 in)

 

 

 

 

Clutch type:

Wet, multiple-disc

 

 

 

 

 

 

 

Transmission:

 

 

 

 

 

Primary reduction system

Gear

 

Primary reduction ratio

57/17 (3.353)

 

 

 

 

Secondary reduction system

Chain drive

 

Secondary reduction ratio

52/13 (4.000)

 

 

 

 

Transmission type

Constant mesh, 5-speed

 

Operation

Left foot operation

 

Gear ratio: 1st

31/13 (2.385)

 

 

 

 

2nd

28/16 (1.750)

 

 

 

 

3rd

28/21 (1.333)

 

 

 

 

4th

25/24 (1.042)

 

 

 

 

5th

22/27 (0.815)

 

 

 

 

 

 

 

 

 

 

Chassis:

 

 

 

 

 

Frame type

Semi double cradle

 

Caster angle

27.1°

 

 

 

 

Trail

117.4 mm (4.62 in)

 

 

 

 

 

 

 

Tire:

 

 

 

 

 

Type

With tube

 

Size (front)

80/100-21 51M (For USA, CDN and ZA)

 

 

90/90-21 54R (For EUROPE, AUS and NZ)

 

Size (rear)

100/100-18 59M (For USA, CDN and ZA)

 

 

130/90-18 69R (For EUROPE, AUS and NZ)

 

Tire pressure (front and rear)

100 kPa (1.0 kgf/cm2, 15 psi)

 

2

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Image 39
Yamaha WR250FM service manual FCR-MX37