See: ProTek R/C

ProTek RC have added two new Samurai engines in their range in the form of the S03 and R03 engines. The Samurai S03 nitro engine is the perfect weapon for 1/8 scale buggy when the run-time is critical. The Samurai S03 delivers a lethal blow with its high mileage 22D “High Efficiency” carburetor and long stroke configuration. Combine this with a 3-Port sleeve, turbo head button, 9 fin cooling head and rear ceramic bearing, and the S03 offers smooth power band, performance and proven reliability.

The ProTek R/C Samurai R03 nitro Engine is the perfect weapon for 1/8 scale truggy and large track buggy applications, where an aggressive power band can provide an advantage. The Samurai R03 delivers a lethal blow with its high power 22E carburetor and long stroke configuration. Combine this with a 3-Port sleeve, turbo head button, 9 fin cooling head and rear ceramic bearing, and the R03 becomes a formidable opponent with its power, performance and proven reliability.

The Samurai S03 and R03 engines have been meticulously designed and crafted in Japan by a leading maker of model engines and deliver a versatile package with excellent power delivery, predictable, crisp throttle-response and consistent carburetor settings.

S03 and R03 features:

  • Superior tunability
  • Low CG 9 fin cooling head
  • Aggressive power band
  • Ideal for 1/8 truck and large track 1/8 buggy applications
  • 6 & 6.5mm circular venturis
  • Ceramic rear bearing
  • ABC piston and cylinder
  • Ultra hot ProTek P3 turbo glow plug
  • Strengthened black-coated crankcase
  • S03 utilizes 22D “High Efficiency” Carburetor
  • R03 utilizes 22E “High Power” Carburetor

S03 and R03 specifications:

  • Displacement: 3.49cc / 0.213 cu.in.
  • Bore: 16.27mm/0.641in.
  • Stroke: 16.80mm/0.661in.
  • Output: 2.68ps/2.64hp/34,000 r.p.m
  • Practical RPM Range: 4,000-42,000 r.p.m.
  • Weight: 352g/12.42oz.