| Year | 1981 |
| Bore x Stroke | 62 x 57 mm |
| Capacity | 172 cc / 10.7 cu in |
| Caster | 62o |
| Clutch | Wet, multiplate |
| Compression Ratio | 7.9:1 |
| Cooling System | Air cooled |
| Dimensions | Length: 2100 mm / 82.7in Width: 880 mm / 34.6 in Height: 1200 mm / 47.2 in |
| Dry-Weight | 98 kg / 216 lbs |
| Engine | Two stroke, single cylinder, piston and reed valve |
| Final Drive | Chain, DAIDO DID 520UB, 106 links |
| Final Reduction | 4.000 (48/12) |
| Front Brakes | Drum, internal expanding |
| Front Suspension | Telescopic pneumatic/coil spring, oil dampened |
| Front Tyre | 3.00-21 4PR |
| Fuel Capacity | 12 Litres / 3.2 US gal / 2.6 Imp gal |
| Gear Ratios | 1st 3.00 (33/11) / 2nd 2.142 (30/14) / 3rd 1.647 (28/17) / 4th 1.300 (26/20) / 5th 1.045 (23/22) / 6th 0.875 (21/24) |
| Ground Clearance | 280 mm / 11.0 in |
| Ignition | Suzuki PEI |
| Induction | Mikuni VM34SS carburetor |
| Lubrication System | Fuel/oil premix, 20:1 |
| Max Power | 18 kW / 24 hp @ 9500 rpm |
| Max Torque | 18.5 Nm / 1.9 kgf-m / 13.7 lb-ft @ 7500 rpm |
| Primary Reduction | 2.761 (58/21) |
| Rear Brakes | Drum, internal expanding |
| Rear Suspension | Full-floating suspension system, swingarm, gas/oil damped, sprin pre-load adjustable, damper 4-way adjustable |
| Rear Tyre | 4.00-18 4PR |
| Spark Plug | NGK B10EGV, Champion N-59G |
| Starting | Kick |
| Steering Angle | 45o (left & right) |
| Trail | 113 mm / 4.45 in |
| Transmission | 6 Speed |
| Transmission Oil Capacity | 0.8 Litres / 0.85 US qt / 0.7 Imp qt |
| Turning Radius | 2.3 m / 7.5 ft |
| Wheelbase | 1420 mm / 55.9 in |
