See: Modelix Racing

Modelix Racing have introduced the new Ultimate Racing M5S Ceramic nitro off-road engine. Developed for medium to high speed tracks and based on the O.S. B2103 Type R engine, this 5-port long-stroke engine offers great power at medium-high speeds. The cooling head, the crankcase cover plate and the carburetor feature a new design. The new DLC-coated crankshaft has two tungsten counterweights for smooth rotation and better balancing. It comes with ceramic rear bearing, the 22E carburetor and an O-ring under the cooling head for reducing vibration and preventing dust from entering the engine.

Features:

  • The long-stroke off-road engine put a high value on beasty power in mid-high speed range.
  • The cooling head, carburetor, crankcase cover plate are designed new.
  • The new DLC-coated crankshaft has two tungsten counterweights for smooth rotation and better balancing.
  • Ceramic rear bearing.
  • O-ring under the cooling head for reducing vibration and preventing dust from entering the engine.
  • A newly designed 22E carburetor for producing high power

Specifications:

  • Displacement: 3.49cc
  • Bore: 16.27mm
  • Stroke: 16.80mm
  • RMP: 4000-42000 rpm
  • Max output: 2.64hp/34000 rpm
  • Weight: 352gr
  • Recommended exhaust: UR352141 o UR352142