O.S. Speed B21 Ty Tessmann II

2818.N
€459.99 *

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Hand in hand for the titel O.S.Speed has started a new engine project together with Ty... more

Hand in hand for the titel


O.S.Speed has started a new engine project together with Ty Tessmann to defend his title.
Based on the B2102 (item no. 2818), a motor head with an exclusive design was used which, adapted to its drive, improves cooling.
Furthermore, a 5.8 mm Venturi was installed which improves the fuel consumption in the race noticeably.


The heat sink is silver anodised, exclusively as Ty Tessmann Edition.
Crankcase and crankshaft are laser-marked with the Ty Tessmann logo.

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Technical information
rpm range, approx.: 4.0000 - 42.000
All-up weight [g]: 356
Cylinder capacity [ccm]: 3,46
Output [kW / PS] at [rpm]: 2,65 bei 34.000
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