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6. CYLINDER AND PISTON
6.1 SERVICE INFORMATION
6.2 TROUBLESHOOTING
6.3 CYLINDER REMOVAL
6.4 PISTON REMOVAL
6.5 PISTON INSTALLATION
6.6 CYLINDER INSTALLATION
6.1 SERVICE INFORMATION
GENERAL
Camshaft lubrication oil is fed to the cylinder head through an oil orifice in the cylinder head
and engine case. Before installing the cylinder head be sure the orifice is not clogged and the
gasket, O-ring and dowel pins are in place.
SPECIFICATION
ITEM STANDARD SERVICE LIMIT
Cylinder I.D. 65-65.01 ----------
Taper ---------- 0.05
Out of round ---------- 0.05
Warp across top ---------- 0.05
Piston Piston O.D. 64.96-64.98 ----------
Piston pin Piston pin bore 15.997-16 ----------
Piston rings Piston pin O.D. 14.994-15.000 14.960
Piston-to-pin clearance 0.004-0.012 ----------
Piston ring TOP 0.1-0.25 0.5
SECOND 0.3-0.45 0.5
Groove Clearance TOP/SEC 0.02-0.06 0.09
Piston ring end gap OIL 0.2-0.7 1.5
Cylinder-to-piston clearance 0.02-0.05 0.1
Connecting rod small end I.D. 16.01-16.028 ----------
TORQUE VALUES
Cylinder head bolts 8~12 n-m (0.8~1.2 kg-m)
Camshaft holder flange nuts 20~24 n-m (2.0~2.4 kg-m)
Tappet adjusting nut 9~12 n-m (0.9~1.2 kg-m)
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