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New O.S. Speed B21 Adam Drake Edition off-road engine

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0 Dec. 27, 2017, 7:17 a.m.

Main Photo: New O.S. Speed B21 Adam Drake Edition off-road engine

By Aaron Waldron
LiveRC.com

New from O.S. Engines:
www.os-engines.co.jp

We are proud to announce the new special model. The attached is the CG image and the box label.

OS SPEED 21 ADAM DRAKE EDITION Code# 1A20C (engine only) Code# 1A20B (combo set), the combo set comes with T-2090SC + 85mm longer manifold.

Available to end customers in February

Features:

Designed according to Adam Drake's advice and taste. The engine can be used in both buggy and truck.
New design cylinder liner with new porting
New design DLC crankshaft with double tungsten counter weight
New bore x stroke (16.40 x 16.55 mm)
Carburetor reducers are 6.5mm and 8.0mm
ceramic rear bearing
21J carburetor, the same as OS SPEED spec 2 and spec 3
OS SPEED P3 GOLD plug for better fuel mileage

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