OS Engines Speed Tuned B2103 Type S

The O.S. Speed B2103 Type S Buggy Competition Engine gives you the advantage and options expected of a competition grade power plant. O.S. has created a product that will evolve to meet driver preferences and course layout.

This model has a re-designed crankcase, engraved with the O.S. Logo featuring an updated cooling fin with enough surface area for effective heat dissipation that gives the buggy engine a powerful look. This S Type has high vertical finned, low-profile cooling head with low gravity for improving the cars handling. The crankshaft has been updated to optimize the rotational mass and follows the O.S. SPEED tradition with a DLC coating to reduce friction, dual tungsten slugged counter-balance and a ceramic rear bearing to reduce vibration and increase RPM. The inner head has a silicon O-ring for improved vibration reduction and better dust resistance, and a three port sleeve that will perform well at medium and low speed ranges.

Note: This video was made by the manufacturer of the product and therefore we are not responsible for its contents.

• Crankcase with engraved "O.S." Logo
• 3 ports liner, ideal for medium and low speed range
• Silicon Inner Head O-Ring
• 22D carburetor for quick response and smooth acceleration
• Ball link in carburetor is new to allow changes in the position of fixing screw for easy access
• DLC Coated Crankshaft with Tungsten weights and potted with silicone
• Includes P3 turbo plug
• Two Venturis (6mm & 6.5mm)
• Dust cap set.

Technical Specifications:

Displacement: 3.49cc

Carburetor Type: 6mm Slide

Material: Aluminium

Adjustment Needles: 4

Glowplug Type: Turbo

Exhaust Position: Rear

Fuel Type: 25% (Recommended)

Bore: 16.27mm

Stroke: 16.80mm

Pratical RPM: 4,000-42,000

Output: 2.64hp @ 34,000 RPM

Weight: 352g