S21P3XS


   Displacement: 3,49 cc
   R.P.M. (max power): 29.000 RPM
   Practical range: 6.000-34.000 R.P.M.
   Bore x stroke: 16,26x16,80 mm
   Sleeve: 3 ports
   Rear ball bearings: steel
   Front ball bearings: steel
   Crankshaft: 14 mm - turbo
   Carburetor: plastic - 9 mm - slide
   Glowplug: Standard (C6S)
   Exhaust position: rear
   Starting: -
   Weight: 363 g
   Fuel type: 25% nitro
             s21p3xs download-exploded-view
carburetor-setting
instruction-manual


FEATURES

03902   08558   15010    
Compression rings:
The ignition timing is controlled with these little rings of various thickness. To change the ignition timing you can add or remove a ring of a certain thickness.
 

Sleeve:
The sleeve has 3 transfer ports and is made from hard-chromed brass (true ABC construction).


  Crankshaft:
The crankshaft is manufactured with a larger bore intake to increase the mixture flow;and has a special shape to optimise gas-flows in the engine.

   

 

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