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 "SLEEPER"  MEANS AFTER THIS KIT IS INSTALLED NOBODY CAN TELL YOUR ENGINE IS NOT JUST STOCK

FITS THE FOLLOWING ORIGINAL ENGINES:

CT90'S K5, K6, AND 1976 TO 1979

ALL YEARS OF ST90'S

ATC90'S WITH A ENGINE SERIAL NUMBER'S LARGER THAN 1113934 OR ABOUT 1972 AND NEWER


"DIY" NEW TYPE OHC90 HEAD/CYL 120cc "SLEEPER" STROKER CRANK CORE KIT READ FITMENT CAREFULLY (273L/253K/335T) 273L/253K/335T$149.95

PLEASE CLICK AND READ THIS BEFORE BUYING
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PLEASE CLICK AND READ THIS BEFORE BUYING


CRANK PIN INSTALL INSTRUCTIONS


PIN ARROW POINTS UP


BOTTOM END ROD CLEARANCE/GAP .004"


RING INSTALATION SEE PIC / PISTON TO CYLINDER CLEARANCE .001" TO .002"


THE CHARACTER SIDES FACE TO THE TOP OF THE PISTON DOME


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MAKE SURE THE GASKET POINTS DON'T GET IN THE WAY OF THE STUD HOLES


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