Junak M07R
| Manufacturer | Junak |
|---|---|
| Production | 1956 |
| Class | Road |
| Engine | Four stroke, single cylinder, OHV, air-cooled |
| Bore / Stroke | 76.2mm x 76.2mm |
| Compression ratio | 7.0:1 |
| Horse Power | 19.04 HP (14.2 KW) @ 6000RPM |
| Torque | 19.92 ft/lbs (27.0 Nm) @ 3800RPM |
| Fuel system | Carburetor |
| Transmission | Gear box: 4-Speed Final Drive: Chain |
| Suspension | Front: Telescopic fork with coil springs and oil damping Rear: Swinging arm sprung on telescopic elements with coil springs and oil damping. |
| Brakes | Front: Full hub width, of expander shoe type, hand operated Rear: Full hub width, of expander shoe type, foot operated |
| Wheelbase | 55.79 inches (1417 mm) |
| Dimensions | L 85.51 inches (2172 mm) W 29.09 inches (739 mm) |
| Seat height | 29.69 inches (754 mm) |
| Weight | (dry), 183.0 kg (wet) |
| Manuals | Service Manual |
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The Junak M07R was a Four stroke, single cylinder, OHV, air-cooled Road motorcycle produced by Junak in 1956. Max torque was 19.92 ft/lbs (27.0 Nm) @ 3800 RPM. Claimed horsepower was 19.04 HP (14.2 KW) @ 6000 RPM.
Engine
A 76.2mm bore x 76.2mm stroke result in a displacement of just 349.0 cubic centimeters.
Drive
The bike has a 4-Speed transmission. Power was moderated via the Wet Multi-plate with cork inserts working in an oil bath.
Chassis
Stopping was achieved via Full hub width, of expander shoe type, hand operated in the front and a Full hub width, of expander shoe type, foot operated in the rear. The front suspension was a Telescopic fork with coil springs and oil damping while the rear was equipped with a Swinging arm sprung on telescopic elements with coil springs and oil damping.. The wheelbase was 55.79 inches (1417 mm) long.
1956 - 1959 Junak M07R
The M07R is virtually identical to the M07. It has been adjusted slightly by removing the headlight, different shocks and mudguard. The purpose was to make it fit for racing purposes especially off-road competitions.