New O.S. Speed B21 TY2 off-road buggy engine

0 Aug. 4, 2017, 7:55 a.m.

By Aaron Waldron
LiveRC.com

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

OS SPEED B21 TY2 .21 OFF-ROAD ENGINE
Combo Set (with M2005SC 90mm manifold and T-2090SC tuned silencer set - #1A20A, ¥ 51500 ($465 USD)
Engine only - #1A209, ¥ 42,800 ($380 USD)

A new engine project has been launched for world champion Ty Tessmann's recapture of the champ. Based on B 2101, a heat sink head of exclusive design which improved cooling effect according to his driving style, newly adopted 5.8 mm reducer which improves fuel economy performance affecting the outcome of the race. For the combo set with exhaust parts set, we adopted a newly designed 90 mm long manifold which contributes to fuel economy in addition to stable idling in response to his request.

Based on OS SPEED B 2101, 5.8 mm carburetor reducer compatible with fuel efficiency performance is included as standard.
In response to his request, the combo set adopts a 90 mm long manifold, contributing to fuel economy in addition to stable idling.
Silver anodized finish heat sink head designed exclusively for Ty Tessmann
Crankcase & crankshaft with laser marking Tessman's logo, a proof of special engine
Engine and M2005SC 90mm manifold · T-2090SC tuned silencer set combo set In addition to selling, we will also sell a single engine at the same time.

Specification:
Stroke volume: 3.46 cc / 0.211 cu.in.
Bore: 16.4 mm / 0.646 in. Stroke: 16.4 Mm / 0.646 in.
Output: 2.65 ps / 2.61 hp / 34,000 rpm
Practical rotation speed: 4,000 - 42,000 rpm
Weight: 356 g / 12.59 oz
Standard accessory: Glow plug TP 3 / Exhaust seal ring / Reducer 5.8
Dust cap set (3, 16, 18)