O.S. Speed B2103 Type R 1/8 Buggy Engine
Discontinued | This Item is No Longer Available

O.S. Speed B2103 Type R 1/8 Buggy Engine

Item No.
OS Engines - OSMG2069
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Overview

OS Speed B2103 Type-R and Type-S 3.5cc buggy engines, which not only have been newly designed, but also modified technically for improving their performance over excellent results at past numerous competitions. For corresponding driver’s preference also the course layout, two types B2103 Type-R and Type-S with different characteristics are in lineup. Both of them are long stroke engines φ16.27 mm x 16.80 mm. The most suitable and featured crankcase designed for buggy engine has been engraved with OS SPEED log as you can see in the pic, and the engine utilized a cooling head for the best possible cooling in high ambient temperatures. More than that, both engines come with a rear ceramic bearing and the traditional OS techniques DLC-coated crankshaft coming with tungsten balanced. For enhancing vibration reduction and preventing dust, the inner head also was adopted silicon O-ring. Both engines models are purchased available as engine only or including the T-2100SC exhaust and 85mm M2004SC manifold set.

  • Hardened, chrome-plated, 4-port, cylinder and liner for high durability and long life
  • Specially coated silicon filled crankshaft with precision ceramic bearing that greatly reduces friction, plus a Tungsten weight for for added balance
  • Machined piston features parallel rings that trap fuel oils and use them as a seal to enhance compression and boost power
  • Reshaped crankcase core ensures smoother air flow and more consistent performance
  • Slide Valve Carburetor with 7mm, 8mm and 9mm Carb restrictors allow tuning to specific track conditions, Low-end Needle adjusts from side to side for maximum adjustment ease
  • V-shaped aluminum head provides fast heat dissipation

Product Specs

Cylinder Type
Type R 5-port
Engine (Only) Weight
12.42 oz (352 g)
Crankshaft Threads
UNF1/4-28
Displacement
0.213 cu in (3.49 cc)
Cylinders
Single
RPM Range
4,000 - 42,000
Bore
0.64 in (16.27 mm)
Power Type
Glow
Stroke
0.66 in (16.80 mm)

Video Overview

Product Details

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In The Box
  • (1) O.S. Speed B2103 Type R 1/8 Buggy Engine
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Needed to Complete
  • #203 Air Cleaner Assembly
  • Exhaust System: T-2060SC WN tuned silencer (OSMG2938) developed specifically for this engine
  • Fuel: 10-30% nitro content, 20% recommended for break-in
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