Description
OSSPEED B21 ADAM DRAKE EDITION 2 is a brush-up of the previous model that was born on the advice of world-class pro racer Adam Drake. I finished the engine that could win a big race that matched his requirements. Bore x stroke of 16.4mmx16.55mm given only to this engine. Newly designed crankshaft for further improved driving feeling. Incorporating the latest engine factors, such as the inner head using an O ring with reduced vibration and improved dust-proof performance, and the carburetor with a ball link that allows easy adjustment of the linkage used in B2103.
Specs —————————
stroke volume: 3.49cc / 0.213 cu.in.
bore: 16.4mm / 0.646 in.
Stroke: 16.55 mm / 0.652 in.
Output 2.65 ps / 2.61 hp / 34,000 rpm
Practical rotation speed: 4,000-42,000 rpm
Weight: 353g / 12.45oz
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