| Attribute | Lem R2 × | Pitster Pro XJR SS 50 Auto × |
|---|---|---|
| General | ||
| Production from (year) | 2006 | 2013 |
| Make | Lem | Pitster Pro |
| Model | Lem R2 | Pitster Pro XJR SS 50 Auto |
| Category | Minibike, cross | Minibike, cross |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor. Dell´Orto PHBG 14 MS | Carburettor |
| Engine details | - | Lifan engine |
| Displacement (cm³) | 49.8 | 49 |
| Power (kw) | 8.4 | - |
| Cooling system | Liquid | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 39 | 30 |
| Stroke (mm) | 41.7 | 41.5 |
| Gearbox | 1-speed | Automatic |
| Clutch | Centrifugal automatic | 5 plate wet clutch |
| Lubrication system | Premix | - |
| Compression | - | 10.1:1 |
| Chassis | ||
| Front suspension | Marzocchi dual hydraulic with aluminum triple clamp | Conventional Telescoping Fork |
| Rear suspension | Paioli SX remote hydraulic monoshock with adjustable comp/rebound | Type A Swing Arm |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Frame type | ChroMoly oval perimeter frame | Chromoly |
| Front tyre | - | 2.50-10 |
| Rear tyre | - | 2.50-10 |
| Other | ||
| Starter | Kick | Electric |
| Color options |
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|
| Dimensions | ||
| Wheelbase (mm) | 914 | 940 |
| Dry weight (kg) | 41 | 49 |
| Power/weight ratio | 0.2049 | - |
| Seat height (mm) | 610 | 610 |
| Ground clearance (mm) | 279 | 178 |
| Performance | ||
| Fuel capacity (l) | 3 | 3 |