HomeProductsNOVA EnginesOff-Road Engine3,5 ccMEPHISTO.21 OFFROAD

MEPHISTO.21 OFFROAD

   Configuration Mephisto.21 OFF/H
   Displacement: 3,49 cc
   R.P.M. (max power): 36.500 RPM
   Bore x stroke: 16,42x16,42 mm
   Sleeve: 4 ports
   Rear ball bearings: ceramic
   Front ball bearings: steel
   Crankshaft: 14 mm - turbo - DLC
   Carburetor: plastic - 9 mm - slide
   Glowplug: Turbo (CTO6)
   Exhaust position: rear
   Starting: standard
   Weight: 365 g
   Fuel type: 25% nitro
download-exploded-view
carburetor-setting
instruction-manual

Available versions:
with front and rear steel ball baerings MEPHISTO.21 OFF/A
rear ceramic and front steel MEPHISTO.21 OFF/H

 

FEATURES

13022   08567 T17   15015 18   28028
Rear cover:
The rear cover presents a round shape to optimize the filling and reducing the dead spaces. the steel plate is to reduce friction and to expand the lifespan of the conrod.
  Sleeve:
The sleeve has 4 transfer ports to supply a linear power output and to keep fuel consumption low.
  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. The durability has been significantly improved with the DLC coating.
  Combustion chamber:
The combustion chamber is supported by an O-Ring which is placed between the combustion chamber and the crankcase to reduce the vibrations of the combustion chamber.
             
16801   r4 18   doppia reg meph off   air flow 21 on
Rear ball bearing:
The rear ball bearing has high quality ceramic balls to minimize wear and inertia to improve acceleration and fuel consumption.
  Conrod:
New R4/18 conrod, redesigned and made with a special aluminum alloy that allows it to have a high resistance while maintaining the lightness and performance of the previous R4/17.
  Carburettor:
The three tuning needles gives a better idle and improves the ability of the engine to return to low rpm after throttling.
  Cooling head:
New head, redesigned to improve the flow of air and thus increase cooling and ensuring an optimal center of gravity.

 

 

 

RECOMMENDED EXHAUST

51007 (EFRA 2135) tuned pipe - 41021 manifold
The 51007 EFRA 2135 tuned pipe, made in collaboration
with Hipex, coupled with manifold 41021, allows to maintain
the same consumption of the kit 9901/41021
increasing further performance.

 
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