Aeon Overland-180 User Manual

37
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.
52,400-52,410/
61,730-61,740
52.50/
61.830
Taper ---------- 0.10
Out of round ---------- 0.10
Warp across top ---------- 0.10
Piston Piston O.D.
52,370-52,390
61,700-61,720
52,3/
61,63
Piston pin Piston pin bore 15.002-15.008 15.04
Piston rings Piston pin O.D. 14.994-15.000 14.960
Piston-to-pin clearance 0.002-0.014 0.02
Piston ring TOP 0.015-0.050 0.12
SECOND 0.015-0.050 0.12
Groove Clearance TOP/SEC 0.10-0.25 0.5
Piston ring end gap OIL 0.2-0.7 ----------
Cylinder-to-piston clearance 0.0005-0.1025 0.1
Connecting rod small end I.D. 15.010-15.028 15.06
TORQUE VALUES
Cylinder head bolts 8~12 N.m (5.9~8.9 lbs.ft)
Camshaft holder flange nuts 20~24 N.m (14.8~17.7 lbs.ft)
Tappet adjusting nut 9~12 N.m (6.6~8.9 lbs.ft)
6.2 TROUBLESHOOTING
Low or unstable compression
Worn cylinder or piston rings.
Overheating
Excessive carbon build-up on piston or combustion chamber wall.

Aeon Overland-180 Specifications

General

Brand	Aeon
Model	Overland-180
Category	Offroad Vehicle
Language	English