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Model

YZ 125 g

 

Year

1980

 80 yz100 G

Frame/Engine Prefix   (XXX-000101)

3R3 (3N8*)

Engine Type

2 stroke

Bore (mm)

56

Stroke (mm)

50

Capacity (cc)

123

Compression Ratio (to 1)

8.5

Bhp @ rpm

26.5 @ 11,000

Model Notes

Torque (kgm) @ rpm

1.80 @ 9,500

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

Oil System

Premix

Engine Cooling

Air

Carburetor (mm)

VM32SS

Ignition System

CDI

Ignition Timing (mm)

2.27

Primary drive gearing

3.83

Final Drive Gearing

48/12

Box Gearing first

2.46

Box Gearing second

1.86

Box Gearing third

1.50

Box Gearing fourth

1.25

Box Gearing fifth

1.09

Box Gearing sixth

1.00

Fuel Cap. (liters)

6.5

Engine Oil Cap. (liters)

-

Gearbox Oil Cap. (Liters)

0.7

Fork Oil Ca. (cc/leg)

360

Front Tire (stock)

3.00-21

Rear Tire (stock)

4.10-18

Front Brake

SLS DRUM

Rear Brake

SLS DRUM

Rear Suspension

Monoshock

Front Susp. Travel (mm)

300

Rear Susp. Travel (mm)

290

Rake (degrees)

29

Trail (mm)

125

Width (mm)

950

Ground Clearance (mm)

340

Wheelbase (mm)

1430

 

Dry Weight (kg)

85

   
 
  • = Europe & Japan

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