O.S. Engines Speed B21 Ty Tessmann II Limited Edition OSM1A209

$499.99
$799.99
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OSM1A209
O.S. Engines
UPC:
4531028024458
MPN:
OSM1A209
Status:
In Stock
Availability:
USUALLY SHIPS WITHIN 24 HOURS
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Specifications

Engine Size, Car Parts,

Specifications

Engine Size:
.16 & UP - CAR
Car Parts:
Engines

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Description

This is the O.S. Engines Speed tuned B21 Ty Tessmann II Limited Edition 1/8 scale buggy engine.

Includes:

  • Speed Tuned B21 1/8 scale Ty Tessmann II Edition Buggy Engine
  • Carburetor with 5.8mm Carb Reducer
  • P3 Turbo Glow Plug
  • 3mm, 16mm and 18mm Dust Caps
  • Exhaust Seal Ring
  • Instruction manual

Requires:

  • Glow Fuel: 10-30% nitro content, 20% recommended for break-in
  • Exhaust System

Features:

  • Special 5.8mm carb restrictor supplied by O.S. to Ty for extending run time in competition
  • Low profile cylinder head with new shape and double height vertical fins compared to latest model of the B2102
  • Ty Tessmann's name is etched into the cylinder head, crankcase and crankshaft
  • Silicone filled crankshaft with DLC (diamond like coating) with balanced tungsten weights and optimal intake timing slide valve carburetor

Specs:

Displacement: 0.211 cu in (3.49cc)
Bore: 0.646" (16.4mm)
Stroke: 0.646" (16.4mm)
Practical RPM: 4,000-42,000 RPM
Output: 2.65ps 2.61hp @ 34,000RPM
Weight: 12.59oz (356g)
Distance Between Mounting Hole Centers Same Side: 0.83" (21mm)
Distance Between Mounting Holes Opposite Side: 1.4" (37mm)
Height Bottom of Mounting Tabs/Top of Cylinder Head: 3.2" (82.6mm)
Width of Mounting Tabs: 1.8" (45mm)
Distance from Backplate to Front Bearing: 2.5" (64.5mm)
Distance from Center of Crankcase to Front Bearing: 1.7" (44mm)
Distance from Center of Crankcase to Backplate: 0.81" (20.5mm)
Crankshaft Size: UNF1/4-28
Crankshaft Length: 1.2" (29.5mm) front bearing

Carburetor Settings:

  • Carburetor is preset at factory and requires only very small adjustments
  • Needle Valve, 3-1/4 open from fully closed
  • Mixture Control Valve, Flush with carburetor body
  • Metering Needle, Flush with ball link body
  • Throttle Stop Screw, Approximately 0.5mm

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