O.S. Speed B2105 Ongaro WC V3

To mark Davide Ongaro’s history making 3 in a row IFMAR 1:8 Offroad World Championship victory in Redovan in this year, his Japanese engine sponsor O.S. has released the O.S. Speed B2105 Ongaro WC V3.  Based off the B2105 the Italian used to take his second nitro WC victory with the brand, features of this special release include the outer head being double anodised in black and gold to meet Ongaro’s request.  The letters on both sides of the crankcase have special laser engraved for a shiny finish, with the “World Champion” logo also engraved on the front bearing.  The reducer is a gold-plated φ6.5 II that was used in the World Championship. The TB02 tuned silencer is also a special edition with Ongaro’s signature and the “World Champion” logo.

O.S. Speed B2105 Ongaro WC V3 Spec
Displacement： 3.49 cc / 0.213cu.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.
Engine Weight:348g / 12.28 oz.

Standard accessories
Reducer:φ6.5II
O.S.SPEED PLUG T-P3
Exhaust seal ring
Dust cap set φ3、φ16、φ18

Source: O.S. Engines [os-engines.co.jp]