CHAPTER 3 ENGINE M750L SERVICE MANUAL 18.0
CHAPTER 3 ENGINE PAGE 3-
PISTON AND PISTON PIN INSPECTION
Out of specification → Replace .
○,
a
10.0mm from the piston bottom edge.
⚫Piston-to-cylinder clearance
Piston-to-cylinder clearance=
Cylinder bore-Piston skirt diameter
Refer to “CYLINDER” section for cylinder
bore measurement.
Out of specification → Replace the piston
and piston rings as a set.
Piston-to-cylinder clearance:
0.03 - 0.062 mm
<Limit:0.15mm>
⚫Piston pin bore diameter
Out of specification → Replace.
Piston pin bore diameter:
⚫Piston pin outside diameter
Out of specification → Replace.
Piston pin bore diameter:
Blue discoloration/groove → Clean or
replace.