NCY 172cc 61mm BIG BORE KIT (OD 62.9) 

HIGH PERFORMANCE FOR GY6 MOTORS

INCLUDES
  • 28/23 GY6 CYLINDER HEAD WITH VALVES INSTALLED (FITS:54mm)
  • 61mm NCY PISTON & RINGS CYLINDER WITH 

  • 8mm STUDS, GASKETS, AND BOLTS

  • *NO BORING REQUIRED*
  • (ON MOST MODELS) 
  • SOME KARTS MAY REQUIRE BORING
*FOR STOCK GY6 BLOCK WITH 54mm SPACING ONLY*
 
OUTER CYLINDER DIAMETER 62.9mm MOST KITS ARE 65mm 
CYLINDER BORE 61mm
CYLINDER HEIGHT 69.3mm

*YOU WILL NEED TO RE-JET YOUR OLD CARBURETOR*

*WE SUGEST GETTING A LARGER  26mm or 30mm CVK CARBURETOR*
WITH ACCELERATOR PUMP AND RE-JET TO SUIT
 
*PLEASE READ ALL BELOW*
 
 SHIPPING

RETURNS

WARRANTY

SHIPS FROM SHELBY, NC
AU1