GRC Moto Midimoto Rr.04 - 2011 Specifications and Reviews
The 2011 GRC Moto Midimoto RR.04 is a lightweight mini sportbike engineered for young and novice riders seeking entry-level performance. Featuring a compact air-cooled engine with minimal power output and responsive handling characteristics, this pocket rocket excels as a training platform for developing fundamental riding skills and confidence on track or in controlled environments.
2011
Engine and Transmission Specifications | |
| Transmission type,final drive | Chain |
| Cooling system | Air |
| Lubrication system | 2% mixture |
| Ignition | Electronic |
| Fuel system | Carburettor. SHA 14-14 |
| Bore x stroke | 36.0 x 39.0 mm (1.4 x 1.5 inches) |
| Compression | 14.0:1 |
| Power | 4.20 |
| Engine details | Polini engine |
| Engine type | Single cylinder, two-stroke |
| Capacity: | 39.65 ccm (2.42 cubic inches) |
| Category | Minibike, sport |
| Year | 2011 |
| Model | GRC Moto Midimoto RR.04 |
Brakes, suspension, Frame and wheels | |
| Rear brakes diameter | 120 mm (4.7 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 145 mm (5.7 inches) |
| Front brakes | Single disc. Floating disk |
| Rear tyre dimensions | 110/50-6.5 |
| Front tyre dimensions | 90/65-6.5 |
| | |
Physical measures and capacities | |
| Fuel capacity | 1.50 litres (0.40 gallons) |
| | |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
Performance Profile & Rider Fit
4.2 hp
Peak Power (est.)
Best For
Track65%
City10%
Cornering70%
Daily Riding5%
Touring5%
Passenger0%
Rider Profile
| Best For | This tiny minibike is best suited to riders who already have some experience with motorcycle controls, since its small scale and quick reflexes can surprise total beginners despite its low power. |
| Purpose | It exists purely for pit-bike style fun and mini-moto track or paddock riding, not for any kind of practical transportation. |
| Rider Fit | Its miniature frame and tiny wheels demand a compact rider, as taller or heavier adults will feel cramped and will overwhelm its intended weight range. |
| Character | It has the personality of a playful, buzzy little race-replica, rewarding smooth throttle and body-english cornering technique over outright speed. |
| Not Ideal For | It is not suitable for anyone wanting a comfortable, fast, or long-distance capable motorcycle for road or touring use. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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