73-74 MX250 Specifications

Written by yamadmin . Posted in 250cc

Model

MX 250

 

Year

1973-74

 MX250

Frame/Engine Prefix   (XXX-000101)

364

Engine Type

2 stroke

Bore (mm)

70

Stroke (mm)

64

Capacity (cc)

246

Compression Ratio (to 1)

7.05

Bhp @ rpm

31 @ 7,500

Model Notes

Torque (kgm) @ rpm

3.03 @ 7,000

Pictures only show one year on multi-year bikes. Check VIN tables for colors for your specific year.

Oil System

Autolube

Engine Cooling

Air

Carburetor (mm)

VM30SC

Ignition System

CDI

Ignition Timing (mm)

2.3

Primary drive gearing

2.83

Final Drive Gearing

51/14

Box Gearing first

2.25

Box Gearing second

1.65

Box Gearing third

1.26

Box Gearing fourth

1.0

Box Gearing fifth

.79

Box Gearing sixth

-

Fuel Cap. (liters)

9

Engine Oil Cap. (liters)

0.5

Gearbox Oil Cap. (Liters)

1.0

Fork Oil Ca. (cc/leg)

175

Front Tire (stock)

3.00-21

Rear Tire (stock)

4.00-18

Front Brake

SLS DRUM

Rear Brake

SLS DRUM

Rear Suspension

Twin shock

Front Susp. Travel (mm)

 

Rear Susp. Travel (mm)

 

Rake (degrees)

 

Trail (mm)

 

Width (mm)

950

Ground Clearance (mm)

225

Wheelbase (mm)

1420

 

Dry Weight (kg)

101

   
   

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