14 August. Friday 2026
TM Racing MX 125 - 2011 Specifications and Reviews
The 2011 TM Racing MX 125 is a competition-focused motocross bike designed for amateur and intermediate riders seeking a lightweight, agile platform. Known for its responsive handling via Marzocchi USD forks and perimetral aluminum frame, it excels in technical terrain. The bike features quality Nissin braking components and optional Ohlins suspension for serious racers.
General information | |
| Category | Cross / motocross |
| Year | 2011 |
| Model | TM racing MX 125 |
Engine and Transmission Specifications | |
| Clutch | Multiple-disk in oil bath with hydraulic control |
| Transmission type,final drive | Chain |
| Gearbox | 5-speed |
| Cooling system | Liquid |
| Lubrication system | 3.5% oil mixture |
| Ignition | Kokusan CDI Electronic with variable advance |
| Fuel system | Carburettor. Keihin PWK 38 |
| Bore x stroke | 54.0 x 54.5 mm (2.1 x 2.1 inches) |
| Engine details | V-Force Reed valve |
| Engine type | Single cylinder, two-stroke |
| Capacity: | 123.50 ccm (7.54 cubic inches) |
| | |
Brakes, suspension, Frame and wheels | |
| Rear brakes diameter | 245 mm (9.6 inches) |
| Rear brakes | Single disc. Wave disk. Nissin pump and caliper |
| Front brakes diameter | 270 mm (10.6 inches) |
| Front brakes | Single disc. Wave disk. Nissin pump and caliper |
| Rear tyre dimensions | 100/90-19 |
| Front tyre dimensions | 90/90-21 |
| Rear suspension | Sachs Boge (optional Ohlins ) |
| Front suspension | Marzocchi USD |
| Frame type | Perimetral aluminium section |
Physical measures and capacities | |
| Fuel capacity | 8.70 litres (2.30 gallons) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Wheelbase | 1,280 mm (50.4 inches) |
| Ground clearance | 305 mm (12.0 inches) |
| Overall width | 1,250 mm (49.2 inches) |
| Overall length | 2,030 mm (79.9 inches) |
| Overall height | 1,300 mm (51.2 inches) |
| Seat height | 918 mm (36.1 inches) If adjustable, lowest setting. |
| Power/weight ratio | 0.0545 HP/kg |
| Dry weight | 364.0 kg (802.5 pounds) |
| Wheels | Alloy Wheels. |
| Rear tyre | 22/10-12 |
| Front tyre | 25/8-12 |
| Rear Suspension | Double A-Arm, IRS |
| Front Suspension | Double A-Arm |
| Driveline | 4x4. L/H/N/R transmission shift. CVT |
| Fuel control | Single Overhead Cams (SOHC) |
| Bore x Stroke | 92.0 x 75.6 mm (3.6 x 3.0 inches) |
| Power | 19.85 HP (14.5 kW) @ 7000 RPM |
| Capacity: | 503.00 ccm (30.69 cubic inches) |
| Color options | Blue |
| Light | No lights |
| Starter | Kick |
Performance Profile & Rider Fit
Best For
Track90%
City5%
Cornering80%
Daily Riding5%
Touring5%
Passenger0%
Rider Profile
| Best For | This is a purebred competition motocross machine best suited to experienced off-road riders who already know how to manage a peaky two-stroke power delivery. |
| Purpose | Built exclusively for motocross racing and rough terrain riding rather than any form of road use. |
| Rider Fit | Its light, slim, kick-start-only chassis demands good physical fitness and confidence standing on the pegs for extended moto sessions. |
| Character | A sharp, aggressive, race-focused two-stroke with premium Italian components that rewards aggressive, skilled inputs. |
| Not Ideal For | This is not the right bike for commuting, touring, carrying a passenger, or anyone seeking a comfortable, road-legal, beginner-friendly ride. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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