OSM1A20A

OS Engines Speed B21 Ty Tessman .21 Offroad Engine w/ T-2090SC Pipe

$699.99
Out of stock
 

Overview

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.

Features

  • Based on OS SPEED B 2101, 5.8 mm carburetor reducer compatible with fuel efficiency performance is included as standard.
  • Adopts a 90 mm long manifold, contributing to fuel economy in addition to stable idling
  • Silver anodised 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 · T2090SC tuned silencer set combo set
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OS Engines Speed B21 Ty Tessman .21 Offroad Engine w/ T-2090SC Pipe

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Product Information

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.

Specs

Stroke volume
3.46 cc / 0.211 cu.in.
Bore
16.4 mm / 0.646 in. Stroke16.4 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)