Description
YX 140cc cylinder head – fitted with Z40 high lift cam as standard.
Material – Aluminium alloy
Piston diameter suitability – 56mm
Valves – Inlet 27mm / Exhaust 23mm
Cylinder head length – 91mm (machined face to machined face)
Intake port diameter – 27.5mm (please ask)
Exhaust port diameter – 22.5mm
Made to fit – YX, Lifan, may fit other engines (check dimensions), engine code would typically be 156FMJ.
Supplied with internals such as camshaft, valves and tappets already installed.
Note: This part will require the valve clearances/tappets to be set to IN 0.10mm & EX 0.15mm upon installation.
Does not include; Timing sprocket, cover/cap screws, banjo bolts, oil bypass pipe.
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