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25cc Roto Motor 
ROTO25

Check out the new ROTO Motor

- an engine with a real difference!   Get yours now!



 

 

 

 

 

 

ROTO 25 

A revolutionary new design launched in 2004. These engines have gone through a year's development to guarantee the high quality and precision of the parts being used in our engines. Each engine is tested and is factory set before it is shipped.

ROTO 25 V
Technical Specifications

 

  DISPLACEMENT

24,9 cc

  POWER

6,5 kg         

  BORE

34 mm

  RPM

1500 - 7800 RPM

  WEIGHT

1100 g

  PISTON ROD

2 needle bearing TORRINGTON

  CRANK SHAFT

2 ball bearing NSK

  IGNITION Electronic micro-processor controlled
  FUEL Motul 600 1:50 
  PROPELLER

18/10 - 20/10

Dimensions

 

 

Manufacturing technology used in producing the 

ROTO 25 V


  • Crank case - is cut by a CNC milling cutter. After that it is annodised with a special colour.
     
  • Cylinder - it is made from a single piece of dural with pressed sleeve from steel it is turned and machined to the correct size.
     
  • Piston - cast from high grade silicon alloy with one piston ring. The aperture for the plug 8 mm is honed.
     
  • Piston rod - is forged, which is completely machined. Two needle bearings are moulded into piston rod.
     
  • Crank shaft - made from one piece of steel, it is forged and hardened and it is completely machined.
     
  • Rear Case of Engine - cast and then hardened and machined slide - valve layed.
     
The individual components and clearances are checked and then assembled in a special workplace.

ROTO Engines have a 2 year Manufacturer's Warranty.



Weight: 20000.00 
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