Product details
The OS Speed B2103 Type S motor is a 3-port long-stroke motor. It impresses with its high torque in the medium to low speed range with linear power delivery performance and low consumption.
The crankcase, crankcase cover and carburetor feature a completely new design. The new DLC-coated crankshaft features two tungsten weights for perfect balance and maximum smoothness. The B2103 Type S features a flat cooling head for optimized drivability and vertical fins on the top to maximize heat dissipation. An O-ring between the cooling head and combustion chamber insert reduces vibration and protects against contamination by providing the best possible seal. The new 22D carburetor guarantees perfect response and linear power delivery. Long stroke OffRoad high performance engine, High low and mid range torque, Low fuel consumption, All parts compatible to TYPE R, High vertical finned cooling head for optimized drivability, DLC coated crankshaft with dual tungsten weights, Redesigned 3-port cylinder and piston set, Cooling head with silicone O-ring , New 22D carburetor for linear power delivery Displacement: 3.49 cc, bore: 16.27 mm, stroke: 16.80 mm, ports: 3, rpm range: 4000 - 42.000 rpm, power: 2.64 hp / 34,000 rpm, weight: 347 g.