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70-71 DT1C & E Specifications

Model

DT1C/E

 1970Yamaha250DT1C006-1

Year

1970-71

Frame/Engine Prefix   (XXX-000101)

DT1C/DT1E

Bore (mm)

70

Stroke (mm)

64

Capacity (cc)

246

Compression Ratio (to 1)

6.4 (8.2[1])

Bhp @ rpm

23 @ 7,000 (30@ 7,0001)

Model Notes

Torque (kgm) @ rpm

2.4 @ 6,500

(3.1 @ 6,5001)

 

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)

VM26SH (VM30SC1)

Ignition System

magneto

Ignition Timing (mm)

3.2 (2.31)

Primary drive gearing

3.1

Final Drive Gearing

44/14

Box Gearing first

2.53 (2.251)

Box Gearing second

1.79 (1.651)

Box Gearing third

1.30 (1.261)

Box Gearing fourth

1.0 (1.01)

Box Gearing fifth

0.77 (0.771)

Box Gearing sixth

-

Fuel Cap. (liters)

9

Engine Oil Cap. (liters)

1.6

Gearbox Oil Cap. (Liters)

1.0

Fork Oil Ca. (cc/leg)

210 (175[2])

Front Tire (stock)

3.25 x 19 (3.00 x 21)

Rear Tire (stock)

4.00 x 18

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)

240 (255[3])

Wheelbase (mm)

1,366 (1,3903)

Dry Weight (kg)

104 (1113)

   

[1]  = DT1C-M/DT1E-M

[2]  = DT1E/DT1E-M

[3]  = DT1E

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