I-TECH 4-STROKE Complete Cylinder Kit

The Malossi I-TECH 4-STROKE complete cylinder kit is engineered for performance, featuring a primary aluminum alloy construction with a high silicon content, hardened and tempered for durability. The cylinder liner is reinforced with silicon carbides in a galvanic nickel matrix and precision-ground with diamond tools, adhering to very strict tolerances. This kit includes an integrated electronic control unit, the Force Master, which allows for precise fuel injection adjustments. The Force Master is pre-programmed with multiple settings to perfectly adapt to the Malossi 4-stroke thermal group and various vehicle configurations, offering ± 6% fuel adjustment at min/medium/max and a +1000 RPM limiter. The kit's piston is a lightweight, reinforced, extra-compact three-segment design crafted from a special low-expansion aluminum alloy with tin-coated sliding surfaces, all machined on high-precision CNC machine tools. The cylinder and piston have a coupling tolerance of 0.05mm, and the thermal exchange surfaces have been recalculated and enlarged for improved heat dissipation. Technical specifications include a bore diameter of 61mm, a stroke of 57.9mm, a resulting displacement of 169.2cc, and a compression ratio of 1:11.7. The kit's part number is 3117559. The Force Master ECU included is part number 5517563. This kit is compatible with specific exhaust configurations, including both the original exhaust and Malossi exhausts with a DB killer, for 125cc applications when using the Malossi ø61 kit. This product is intended exclusively for competition use in designated racing venues, in accordance with the regulations of competent sports authorities. Malossi assumes no liability for any inappropriate use.