Engine Removal And Installation - Vento Phantom R4i Service Maintenance Manual

ENGINE REMOVAL AND INSTALLATION

Disassembly
Cylinder head cover
Right against mark "T" on magneto
(The bottom of exhaust port)
Timing chain tensioner
Cam shaft holder assy./cam shaft chain
Cam shaft holder assy. / cam shaft fixer assy.
Cylinder head assy.
correct timing
same level as
Valve lock clip/valve spring holder
Inlet exhaust valve spring
Use special tool T04
Inlet valve, exhaust valve
Valve oil seal assy.
Rocker shaft
Cylinder head
VENTO MOTORCYCLES
Specified Torque value
Exhaust& Inlet valve oil seals assy./gasket
Inlet & exhaust valve spring/spring holder/lock clip
Cam shaft chain/cam shaft holder assy.
Cam shaft assay and cam shaft holder assy.
mark on sprocket (keep timing marking on the
joint surface of cylinder head)
Timing chain tensioner(adjust)
Rev no.01/ page 28of 84
Assembly
Cylinder head
Cylinder head assy.
Right against mark "T" on magneto rotor and
Adjust specified valve clearance
►Inlet valve clearance: 0.03~0.05mm
► Exhaust valve clearance: 0.05~0.06mm