Motor OS Speed B2104
Brand:
This is the O.S. SPEED B2104 Engine. It is a long-stroke engine, measuring 16.27 x 16.80mm. It has a quicker low-end response and more mid-range power with very stable idle.
Specifications:
Displacement: 3.49cc / 0.213 cu.in.
Bore: 16.27mm / 0.641 in.
Stroke: 16.80mm / 0.661 in.
Output: 2.68 ps / 2.64 hp / 34,000 r.p.m.
Practical rpm range: 4,000-42,000 r.p.m. weight: 352g / 12.42 oz.
Standard accessories
Glow plug T-P3. Reducer 6mm 6.5mm Exhaust seal ring
Dust cap set 12-30(?3??16??18)
Features:
The new piston/sleeve is a conventional 3-port type that delivers great torque in the power band.
The new crankshaft features DLC coating like all OS SPEED engines. The two tungsten counterweights are embedded in the crankshaft, contributing to a steady idle and quick rpm drop.
The backplate has a treatment that reduces connecting rod friction for extended lifespan.
The crankshaft has been redesigned for optimal airflow.
The carburetor is a 22E type, the same as in the B2103 Type R engine.
The cylinder head is a conventional round shape with standard height.
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