OS Engines Speed B21 Ongaro Edition .21 Engine Only OSM1DL00
Sale
Regular price$559.00
This item is available for BACKORDER.
Based off the latest off-road engine, O.S. Speed B2104
Laser markings of Ongaro's original logo mark
Crankshaft has been changed to a counter web shape and use of single tungsten weight crankshaft specially made for Davide Ongaro's engine to suit his driving style
Outer head adopts a standard round type
A new size 5.8mm / 6.3mm black anodized restrictor is also used for the carburettor to create an "engine that can win big races"
