engine adaption
 

Assembly to any engine
The POWER SPARK can be assembles to almost all 2-stroke combustion engines
Teh following components are required:

  POWER SPARK
  any Version

+

   own flywheel adaption
   magnet for speed sensor is in
   the delivery

+

   SE-1
  speed sensor

  ignition coil
  if not available

=>

   installation to any
  engine


Assembly to model engines
For the most common model engines adaption parts from MATHO-Powertrain3) are available:
A detailed overview of the engine compatibility is given in our engine overview in the download-section. 

The adaption parts can be ordered individually. For a complete system is required:

POWER SPARK + flywheel
(see below)		 + sensor / sensor bracket
(see below)		 =>   engine
RC-i 100
RC-i 120
RC-i 125

RC-i 200
RC-i 220

RC-i 400
RC-i 420

CE-i xxx

 + FW-1 3) + SH-1 3) + SE-1

SH-2 3)

 =>

  water-cooled marine engines, e.g.
  - ZENOAH 260PUM
  - RCMK S254
  - CMB 26
  - and compatible
FW-2 3)
FW-3 3)
FW-4 3)
FW-5 3)
  + SH-4 3) =>   water-cooled marine engine
  - CMB Alpha 27
FW-7 3)
FW-8 3) + SH-3 3) =>   air-cooled engine, e.g.
  - ZENOAH G260
  - and compatible

more info
  ■  The flywheels for marine engines are also available for reverse rotating engines
  ■  see all compatible engine in our engine overview in the download-section. 
  ■  The assembly kits can be modified to be used on almost any engine. Please contact us.
 
 

 

            
flywheels

for 1-cylinder or multi-cylinder 2-stroke engines for model use (rear exhaust engines may require modified flywheels)

content
  ■  flywheel with sensor magnet

important
  ■  The original ZENOAH flywheel (260PUM) weights 210g.
      We do not recommend to use the very lightweight ZUE-KIT 3 with a pullstart.
      For multi-cylinder engines we recommend the brass flywheels FW-2 and FW-4.

  ■ Please check the engine overview in the download-section to find the correct parts for your application
       If your engine is not listed, please specify your request:
          - Type of engine
          - Direction of rotation of the engine (normal or reverse)
          - Rear-exhaust or side exhaust
 
    FW-1     flywheel
  ■  aluminum, red anodised
  ■  low inertia
  ■  geometrically compatible with ZENOAH/RCMK
  ■  with assembled sensor magnet
  ■  weight ~135g
 		   36,50 €3)
    FW-2     flywheel
  ■  brass, lathe machined surface, not polished
  ■  high inertia
      - lower idle speeds (good when using clutch)
      - easier start of engine
  ■  geometrically compatible with ZENOAH/RCMK
  ■  with assembled sensor magnet
  ■  weight ~430g
 		   47,50 €3)
  FW-3     flywheel
  ■  aluminum, red anodised
  ■  very low inertia
      - belt start is recommended
  ■  for racing use (f.e. FSR)
  ■  groove for belt start
  ■  suitable for engines with pull start.
      Use with belt start (electric) will require modification
      of engine housing.
  ■  with assembled sensor magnet
  ■  weight ~100g		   42,00 €3
  FW-4     flywheel
  ■  brass, lathe machined surface, not polished
  ■  medium inertia
  ■  same geometry as ZUE-KIT 3
  ■  groove for belt start
  ■  suitable for engines with pull start.
      Use with belt start (electric) will require
      modification of engine housing.
  ■  weight ~300g
 		   52,50 €3)
  FW-7     flywheel for CMB 27cc Alpha
  ■  aluminum, red anodised
  ■  low inertia
  ■  for CMB27cc Alpha
  ■ similar to FW-6, but with a larger diameter for the
     starter pulley, decreases danger of collision
     between starter belt and exhaust
  ■ internal bore 12H7 with keyway
  ■  with assembled sensor magnet
  ■  weight ~135g		   36,50 €3)
  FW-8     flywheel for air cooled engines
   ■ aluminum, milled from solid, red anodized
   ■ about 30% more cooling capacity compared to the
      serial impeller due to optimized fan blades (wings)
   ■ significantly lighter than series fan
   ■ for all air-cooled car engines
       (Zenoah, RCMK, Chung Yang)
   ■ fits on the new air-cooled RCMK Twins CR600FP.   
       Note: There is a first generation of these engines
       with a shorter crankshaft, see the hub use in the
       series flywheel.
       To use on this engine the FW-8 has to be
       modified by the customer, a manual is available
       in the download section.
  ■  with assembled sensor magnet
  ■  weight ~135g		   72,50 €3)
 customizing       adaption of magnet position
  ■  for engines with reverse direction 
  ■  for special engines (f.e. rear exhaust)		   6,50 €3)4)
             
             
             
sensors & sensor brackets
    SE-1     speed sensor
  ■  cable length 35cm
  ■  2x bushing   		  18,00 €
15,13 €**
    SH-1 3)     sensor bracket
  ■  bracket for SE-1
  ■  aluminum, not anodized
  ■  silver color
  ■  2x bushing   		  14,00 €3)
 
   SH-2 3)     sensor bracket with integrated sensor
  ■  aluminum, red anodized
  ■  with encapsulated sensor
  ■  cable length 35cm
  ■  2x bushing 		  39,00 €3)
 
   SH-3 3)     sensor bracket with integrated sensor
  ■  aluminum, red anodized
  ■  with encapsulated sensor
  ■  cable length 35cm
  ■  2x bushing
  ■  in conjunction with FW-8 for air-cooled
      ZENOAH engines
  		  45,00 €3)
  SH-4.2 3)     sensor bracket with integrated sensor
  ■  aluminum, red anodized
  ■  with encapsulated sensor
  ■  cable length 35cm
  ■  in conjunction with FW-6 / FW-7 for
      CMB Alpha 27 engine

  ■  SH 4.2 for engines with Ø10mm and Ø12mm
      mounting bosses

 
  		  50,00 €3)
  SH-5 3)     sensor bracket with integrated sensor 320PUM
  ■  aluminum, red anodized
  ■  with encapsulated sensor
  ■  cable length 35cm
  ■  2x bushing
  ■  for ZENOAH 320PUM

 
Please see also adaption manual of the flywheel in the download section.
 		    43,00 €3)
             
             
             

 
3) sale on behalf of  www.matho-powertrain.de
   see terms and conditions at www.matho-powertrain.de, owner Th. Marx
4) plus shipping: modified flywheels will be shipped directly from our partner MATHO-Powertrain
   
   
All prices in bold include the german VAT of 19%.
Prices marked with ** exclude the german VAT: applicable only for NON-EU customers. Please get informed about local import taxes. 		 


 

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update: march 2025
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