| Attribute | Tomberlin XS 90 × | Pitster Pro XJR 90 SS × |
|---|---|---|
| General | ||
| Production from (year) | 2007 | 2013 |
| Make | Tomberlin | Pitster Pro |
| Model | Tomberlin XS 90 | Pitster Pro XJR 90 SS |
| Category | Minibike, cross | Minibike, cross |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor. Mikuni | Carburettor |
| Displacement (cm³) | 90 | 88 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 47 | 47 |
| Stroke (mm) | 49.5 | 49.5 |
| Gearbox | 3-speed | 4-speed |
| Ignition | - | Stator/ CDI with lighting coil |
| Clutch | - | 5 plate wet clutch |
| Lubrication system | Presurized pump | - |
| Compression | 9.0:1 | 10.1:1 |
| Exhaust system | - | FMF, Pro Circuit and Pitster Big Bore System |
| Chassis | ||
| Front suspension | Telescopic | Conventional Telescoping Fork |
| Rear suspension | Monoshock | Type A Swing Arm |
| Front brakes | Single disc | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Frame type | - | Chromoly |
| Front tyre | - | 2.50-10 |
| Rear tyre | - | 2.50-10 |
| Other | ||
| Starter | Electric & kick | Kick |
| Color options |
|
|
| Dimensions | ||
| Wheelbase (mm) | 991 | 940 |
| Dry weight (kg) | 60 | 49 |
| Seat height (mm) | 610 | 610 |
| Ground clearance (mm) | 239 | 178 |
| Performance | ||
| Fuel capacity (l) | 2.99 | 3 |