Cylinder Head - YX 125 - 52.4mm (Big Valve)
Cylinder Head - YX 125 - 52.4mm (Big Valve)
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Description
Description
YX 125cc cylinder head.
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\nMaterial - Aluminium alloy
\nPiston diameter suitability - 52.4mm
\nValves - Inlet 27mm / Exhaust 23mm
\nCylinder head length - 91mm (machined face to machined face)
\nIntake port diameter - 26mm
\nExhaust port diameter - 22.5mm
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\nMade to fit - YX, Lifan, may fit other engines (check dimensions), engine code would typically be 153FMI, should also have a 52.4mm piston and not a 54mm piston, should also have an alloy barrel and not a painted black steel barrel, should also have valve inspection caps with screws and not the large 17mm nut screw off type.
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\nNot compatible with the YX125 153FMI electric start engine as the engine stud hole centres are different.
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\nSupplied with internals such as camshaft, valves and tappets already installed.
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\nNote: This part will require the valve clearances/tappets to be set to IN 0.10mm & EX 0.15mm upon installation.
Shipping
Shipping
Orders placed before 11am are dispatched the same day. If your order is for an assembled bike it may take longer due to a build slot needing to be allocated. Delivery options available from 24 hours to 5 days.
Please note: Delivery days are Monday - Friday