MALOSSI 3114268 THERMAL UNIT CYLINDER KIT

Racing Cylinder MALOSSI 289 cc for YAMAHA 250 City i.e./X-Max for YAMAHA 250 City i.e./X-Maxi.e. 4T LC YAMAHA 250cc 4-stroke LC i.e., Ø 74,0mm, aluminium, stroke 73mm, 3 piston ring(s), pin 17mm, SPORT-TUNING, high-performance& roadworthy For race use only. Not admitted in the area of the German StVZO! The new complete cylinder equipped with CDI for Yamaha 250 4-stroke LC engines was born! Force Master is the innovative CDI which allows to change the injection in order to fit perfectly the new Malossi 4-stroke cylinder kit. This CDI has been scheduled with 3 different maps so as to be coupled perfectly with your vehicle whatever its setting is! TECHNICAL FEATURES Cylinder Bore: Ø 74 mm; Stroke: 66.8 mm; Displacement: 287.29 cc; Compression ratio: 1:11 Material: primary aluminium alloy with a high content of hardened and tempered silicon, cylinder liner with silicon carbide coating in a galvanic nickel die and crossed smoothing with two diamond passages with very limited tolerances Machining: on machine tools with high precision numerical control Cylinder-piston connection with an allowance of 0.05 mm Recalculated and upgraded heat exchange surfaces Piston Ultra compact with 3 rings Material: special aluminium alloy with high silicon content, low thermal expansion and a tin facing on the sliding surfaces Machining on machine tools with numerical control Lightened and reinforced Upgraded heat exchange surfaces Piston rings Special rings with high sliding ease and very high mechanical resistance I° ring compression in nitrided and chromium steel II° special cast iron ring Three - piece scraper ring made of chromium-plated special steel alloy CDI Carburation adjusting ± 20% at min/medium/max 3 different maps###3114268 (MALOSSI)