Naraku 42mm Performance Cylinder Kit for SYM

Naraku 42mm Performance Cylinder Kit for SYM

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Part Number: 137-15

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img-qind.JPGNaraku 50cc SYM and Peugeot 4-stroke 42mm Big Bore Cylinder Kit. Kit includes cylinder, piston, rings, piston pin, cir clips, head gasket, base gasket, exhaust gasket and cam chain tensioner gasket.

This is a drop in cylinder kit, no crank case modifications required! When used in conjunction with a stock stroke of 46mm the total displacement comes out to 63.7cc.



Fits the following 4-stroke models: 

  • SYM Mio 50 
  • SYM Fiddle II 50 
  • SYM Orbit II 50 
  • SYM Jet4 
  • SYM Allo 50 
  • SYM Cello 50 
  • SYM Symphony 50 
  • Lance Cabo 50 
  • Lance Cali 50 
  • Lance Havana 50 
  • Lance PCH 50 
  • Lance Soho 50
  • Peugeot Vivacity 
  • Peugeot Speedfight 3 

Please see our Warranty & Returns Policy.


  • Upgrades to 63.7cc
  • Cylinder Bore: 42mm
  • Cylinder Sleeve Outer Diameter: 45.7mm 
  • Wrist Pin Diameter: 10mm
  • Total Piston Height: 33mm

Peugeot, SYM

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  • img-qind.JPGNaraku 107mm Sport Clutch for 50cc engines.
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