| Attribute | TM Racing MX 85 Junior 2019 × | Yamaha YZ 85 2005 × |
|---|---|---|
| General | ||
| Production from (year) | 2019 | 2005 |
| Make | TM Racing | Yamaha |
| Model | TM Racing MX 85 Junior | Yamaha YZ 85 |
| Category | Cross / motocross | Cross / motocross |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor. Keihin 28 | Carburettor |
| Engine details | Reed valve | - |
| Displacement (cm³) | 85 | 85 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 48 | 54 |
| Stroke (mm) | 47 | 0 |
| Gearbox | 6-speed | 5-speed |
| Ignition | Kokusan CDI Electronic with variable advance | - |
| Clutch | Multiple-disk in oil bath with hydraulic control | - |
| Lubrication system | 3.5% oil mixture | - |
| Compression | 17.2:1 | - |
| Chassis | ||
| Front suspension | Paioli USD 43 | Kayaba |
| Rear suspension | Ohlins | Kayaba |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 190 | 190 |
| Frame type | Cr-Mo steel Perimetral oval section | - |
| Front tyre | 70/100-17 | - |
| Rear tyre | 90/100-14 | - |
| Other | ||
| Color options |
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| Performance | ||
| Fuel capacity (l) | 6 | - |