2011 · Minibike-sport
The 2011 Polini 911 GP5 Reverse 50 represents a focused entry in the minibike-sport category, a segment dedicated to compact, high-performance machines for aspiring racers and track enthusiasts. As a direct descendant of Polini's long-standing 911 series, it carried forward a lineage known for its competitive edge in junior racing. In its class, it faced off against capable rivals such as the Blata B1 and various offerings from DM Telai, all vying for supremacy on kart tracks and dedicated minibike circuits. This model was designed with a clear purpose: to provide a potent and manageable platform for riders to hone their skills.
At the heart of the 911 GP5 Reverse 50 lies a compact 49.30 ccm (3.01 cubic inches) engine, featuring an aluminium cylinder for optimal heat dissipation and weight reduction. This powerplant is paired with a featherlight overall weight of just 20.5 kg (45.2 pounds), contributing significantly to its agility and responsive handling. The fuel tank capacity is a modest 1.50 litres (0.40 gallons), entirely appropriate for its intended use in short, intense track sessions where frequent refueling is part of the routine. These specifications underscore its design as a purpose-built racing tool, where every gram and cubic centimeter is optimized for performance.
Riding characteristics of the 911 GP5 Reverse 50 are distinctly track-focused. The low seat height, at 460 mm (18.1 inches) (or its lowest adjustable setting), positions the rider for maximum control and a low center of gravity, crucial for aggressive cornering. Combined with typical minibike-sport ergonomics, including rearset pegs and clip-on style handlebars, it encourages an engaged, tucked-in riding posture. The lightweight chassis and responsive engine translate into sharp handling and immediate acceleration, making it an engaging machine to pilot around a circuit. Comfort, while not a primary concern for a minibike-sport, is adequate for the short bursts of activity it's designed for.
The Polini 911 GP5 Reverse 50 was squarely aimed at junior riders, budding racers, and experienced enthusiasts seeking a dedicated track machine for competitive or recreational minibike racing. Its compact dimensions and manageable power output make it an ideal stepping stone for those progressing through the ranks of motorcycle sport. For individuals focused on developing race craft in a controlled environment, this model offered a compelling package. It was, and remains, a specialized tool for a specific purpose: delivering concentrated performance on the track for a focused riding experience.
✅ Why buy this bike?
⚠️ Things to consider
⚖️ Comparison & Competition
Rule of thumb: under 125cc / 15HP → A1, under 47HP → A2, above → A.
Estimated average for 49cc class: 75-100 mpg (2.5-3.5 L/100km)
⛽ Tank: 1.50 litres (0.40 gallons)
Insurance grouping for Polini 911 GP5 Reverse 50 (49cc):
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