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Junak M07R (1956-59) technical specifications

Junak M07R technical specifications

Junak M07R is produced in 1956-59. Engine is Four stroke, single cylinder, OHV, displacement 349 cc / 21.3 cub. in. , produces power 14 kW / 19 hp @ 6000 rpm and 27.5 Nm / 2.8 kgf-m / 20.3 ft-lb @3800 rpm. Junak M07R top speed is 125 km/h / 77.7 mph. Junak M07R weighs 170 kg / 374.8 lbs. Junak M07R has 2 photos.

Technical specifications

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Model: M07R
Years: 1956-59
Production: 10000 (as part of the M07)
Engine: Four stroke, single cylinder, OHV
Capacity: 349 cc / 21.3 cub. in.
Bore x Stroke: 75 x 79 mm
Compression Ratio: 7.0:1
Cooling: Air/Oil cooled
Lubrication: Dry-sump
Ignition: Magneto
Battery: 14 Ah, 6V
Dynamo: 45 W
Starting: Kick-start
Clutch: Multi-plate clutch with cork inserts working in an oil bath
Max Power: 14 kW / 19 hp @ 6000 rpm
Max Torque: 27.5 Nm / 2.8 kgf-m / 20.3 ft-lb @3800 rpm
Transmission: Four-speed constant-mesh
Final Drive: Chain
Gear ratios: 1st 3.04 / 2nd 1.97 / 3rd 1.29 / 4th 1.00:1
Frame: Double, cradle-type, welded throughout of tubing, provided with holders for side car mounting.
Front Suspension: Telescopic fork with coil springs and oil damping
Rear Suspension: Swinging arm sprung on telescopic elements with coil springs and oil damping.
Front Brakes: Full hub width, of expander shoe type, hand operated
Rear Brakes: Full hub width, of expander shoe type, foot operated
Wheels: Wire type, with full width hubs made of light alloy, interchangeable (also with side-car wheel). Both wheels with quick-detachable spindles
Front Tyre: 19 in
Rear Tyre: 19 in
Front Rim: 89 mm / 3.5 in
Rear Rim: 89 mm / 3.5 in
Trail: 72 mm / 2.8 in
Dimensions: Length: 2172 mm / 85.5 in Width: 740 mm / 29.1 in Height: 1095 mm / 43.1 in
Wheel Base: 1417 mm / 55.8 in
Seat Height: 755 mm / 29.7 in
Ground Clearance: 170 mm / 6.7 in
Dry Weight: 170 kg / 374.8 lbs
Fuel Capacity: 17 l / 3.9 US gal
Average Consumption: 3.5 l/100 km / 28.6 km/l / 67.2 mpg
Top Speed: 125 km/h / 77.7 mph

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