TM Racing MX 85 Junior - 2008 Specifications and Reviews
The 2008 TM Racing MX 85 Junior is a competitive two-stroke motocross bike designed for aspiring young riders and junior racers. It features a high-compression 85cc single-cylinder engine with advanced technology including electronic ignition and liquid cooling, delivering punchy performance suited to competitive junior racing. Known for its responsive handling courtesy of premium Paioli forks and lightweight Cr-Mo frame, it excels in providing the agility and precision needed for development-level motocross competition.
General information | |
| Category | Cross / motocross |
| Year | 2008 |
| Model | TM racing MX 85 Junior |
| | |
Engine and Transmission Specifications | |
| Clutch | Multiple-disk in oil bath with hydraulic control |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Ignition | Kokusan CDI Electronic with variable advance |
| Fuel system | Carburettor. Mikuni 28 |
| Bore x stroke | 47.9 x 47.0 mm (1.9 x 1.9 inches) |
| Compression | 17.2:1 |
| Stroke | 2 |
| Engine type | Single cylinder |
| Capacity: | 85.00 ccm (5.19 cubic inches) |
Physical measures and capacities | |
| Rear brakes diameter | 220 mm (8.7 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 260 mm (10.2 inches) |
| Front brakes | Single disc |
| Rear tyre dimensions | 90/90-x14 |
| Front tyre dimensions | 70/90-x17 |
| Rear suspension | WP |
| Front suspension | Paioli USD 43 |
| Frame type | Cr-Mo steel Perimetral oval section |
Speed and acceleration | |
| Fuel capacity | 7.00 litres (1.85 gallons) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
Performance Profile & Rider Fit
Best For
Track60%
City5%
Cornering70%
Daily Riding5%
Touring5%
Passenger0%
Rider Profile
| Best For | This is a competition-focused 85cc youth motocross machine intended for young, developing riders with prior dirt-bike experience, not beginners; note that the specification data provided appears to mix in unrelated figures from a separate large ATV/UTV mo |
| Purpose | Built purely for motocross racing on closed off-road tracks, not for street use, commuting, or general recreation. |
| Rider Fit | Designed for a lightweight junior rider with the fitness and skill to manage a high-revving two-stroke and aggressive suspension travel over jumps and rough terrain. |
| Character | A sharp, race-bred two-stroke with premium suspension components (Paioli and Ohlins) that rewards aggressive, precise riding and rapid direction changes. |
| Not Ideal For | Not suitable for adult riders, road riding, touring, passengers, or anyone seeking a comfortable or beginner-friendly bike. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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