Maxima R6 .21 Competition On Road Engine

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MAXIMA R6 (.21) is based on OS R2102 but factory tuned and pre-run by Maxima. Main features Center of gravity is 3 mm lower, for better handling A second inner button head allows f or finer tuning to meet track conditions New ceramic rear bearing reduces friction loss Sharp new laser graphics Compatible with 16% nitro fuel, which complies with EFRA regulations Retains Speed innovations such as DLC coating and tungsten weighted crank shaft Technical data Displacement: .213 cu in (3.49 cc) Bore: 0.633 in (16.08 mm) Stroke: 0.677 in (17.2 mm) Practical RPM: 4,000-45,000 Power Output: 2.8 ps/2.76 hp @ 33,000 rpm Weight: 11.99 oz (340 g) Includes: R2102 inner head, T-RP7 plug, exhaust seal ring, tapered collet Show more