O.S. Engines Speed R2103 Engine OSM1AY00

$499.99
$799.99
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OSM1AY00
O.S. Engines
MPN:
OSM1AY00
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. Speed .21 R2103 Engine for On-Road 1/8 scale Racing. The next generation of on-road performance has arrived with the Speed R2103 from O.S.! Capable of a wider range of torque than the R2102, the Speed R2103 dominates even on high-grip surfaces. Superior fuel consumption ensures you get the most mileage from every fill-up. Factory-applied two-color graphics add signature style to this sleek-looking power plant.

Features:

  • Compatible with 16% nitro fuel, which complies with EFRA regulations
  • Crankshaft features DLC (Diamond Like Coating), and an embedded tungsten weight
  • Outer head with factory-applied two-color graphics.
  • Second inner button head allows for finer tuning to meet track conditions.
  • Slide valve carburetor
  • 8.5mm reducer installed in carburetor venturi to reduce amount of air flow for greater torque
  • Factory applied two color graphics
  • Turbo RP7 glow plug
  • Includes exhaust seal ring, tapered collet and three carb dust seal caps

Specs:

Carburetor Settings;
Needle Valve:Three turns open from fully closed position
Mixture Control Valve:Flush with carburetor body, adjusting range
+/- 1 turn
Metering Needle:Flush with ball link body
Throttle Stop Screw:0.5mm from side of carburetor body when
viewed from above

Displacement: .213 cu in (3.49 cc)
Bore: 0.633 in (16.08 mm)
Stroke: 0.677 in (17.2 mm)
Practical RPM: 4,000-45,000
Power Output: 2.8 ps/2.76 hp @ 33,000 rpm
Weight: 11.99 oz (340 g)
Crankshaft Size: UNF1/4-28
Distance Between Mounting Holes Same Side: 0.83" (21mm)
Distance Between Mounting Holes Opposite Side: 1.45" (37mm)
Height Bottom of Mounting Tabs/Top of Cylinder Head: 2.9" (75.6mm)
Height Bottom of Mounting Tabs/Center of Exhaust Outlet: 1.1" (28mm)
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 Crankshaft to Backplate: 0.81" (20.5mm)

Includes:
1x O.S. Speed R2103 Engine
1x 8.5mm Carb Reducer
1x Inner Head
1x T-RP7 Plug
1x Exhaust Seal Ring
1x Tapered Collet
3x Carb Dust Seal Caps
1x Instructions

Requires:
Fuel: 10-30% nitro content, 20% recommended for break-in
Glow starter and track equipment

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