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71-72 JT1 JT2 Specifications

Model

JT1 – JT2

 

Year

1971-72

 72 JT2

Frame/Engine Prefix   (XXX-000101)

See VIN Tables

Bore (mm)

1.65 in (42mm)

Stroke (mm)

1.65 in (42mm)

Capacity (cc)

3.55 CU (58.2cc)

Compression Ratio (to 1)

7.1

Bhp @ rpm

4.5 @ 7500 rpm

Model Notes

Torque (kgm) @ rpm

 

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)

16mm Mikuni

Ignition System

E.T. Magneto

Ignition Timing (mm)

 

Primary drive gearing

 

Final Drive Gearing

 

Box Gearing first

40.64

Box Gearing second

24.93

Box Gearing third

17.24

Box Gearing fourth

13.65

Box Gearing fifth

-

Box Gearing sixth

-

Fuel Cap.

1.03 Gallons

Engine Oil Cap.

2.12 pints

Gearbox Oil Cap. (Liters)

 

Fork Oil Ca. (cc/leg)

 

Front Tire (stock)

2.50 x 15

Rear Tire (stock)

2.50 x 15

Front Brake

Drum

Rear Brake

Drum

Rear Suspension

Twin Shock

Front Susp. Travel (mm)

 

Rear Susp. Travel (mm)

 

Rake (degrees)

 

Trail (mm)

 

Width (mm)

 

Ground Clearance (mm)

 

Wheelbase (mm)

42.5 inches

 

Weight (with ½ tank fuel)

123 pounds

   
   

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