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52mm stroker Crankshaft

this performance parts not for standard engine, for 120cc-125cc  big bore kit (54mm -56mm cylinder kit)

Only for

Honda AF18E  , AF28,AF27  engine codel

Dio VERTICAL Type engine

 fit to 54mm~55mm bore size cylinder kit.

High torque output

best choice for upgrade 

include Bearings 

will fit to folloowing

Honda DIO veretical type engine  with AF18E ,AF27,AF28 engine code 

BSV : GP-SP - ZX

HONDA : DIO SP-SR - DIO ZX - SHADOW

HSC : SC01 - SC01 L

SYM Dio 50cc  Arnada 50cc

Kymco: Fever ZX,DJ Refined,CX-CX SUPER - DJY - DY WORLD - K12

...etc Honda Vertical AF18e AF28 , AF27 Engine.

 bore out crankcase is necessary

 before you install this kit.