Standard Value: 0 . 018mm~0 . 044 mm (Metric) . Maximum: 0 . 063mm
If the clearance exceeds the maximum value range, replace the connecting rode bushing. To
replace the connecting rode bushing, detect the group No. of the large end of the connecting rode
printed on the body of the connecting rode with the group No. of the connecting rode Journal
printed on the crankshaft to choose the correct connecting rode bushing. (Group No. on the
connecting rode cap + group No. of the connecting rode Journal on the crankshaft = connecting
rode bushing No. to be used)
Installation Procedure:
1. install piston rings.
Important precaution : Note when
installing the piston rings, do not
expand too much, otherwise it will
break the piston rings.
2. Install the piston rings to the
location as shown in the graphic.
Important precaution : Oil ring
opening can not be parallel to the
piston pin axis.
头环
上组合油环
发动机前端
二环
下组合油环
FE02-0237b
3. Lubricate the cylinder wall with
the new engine lubrication oil.
4. Lubricating piston of new engine
lubricating oil should be used.
Use special tool and wooden
handle to install cylinder 1 piston
connecting rod components
marked with position of cylinder.
Note: The dot mark on the piston top
surface should face to the engine
front end. During installation, pay
attention to the lower end of the
connecting rod, avoiding damage due
to hitting the crank journal.
FE02-0238b
Front end of
engine
Head ring
Upper
combination
oil cup.
Lower
combination
oil ring.
Second
ring
491