TOHATSU EverRun MX 18E2 Service Manual page 210

Power Unit
10 mm
D1
(0.394 in)
D2
D3
a
5-58
26 mm
(1.024 in)
10 mm
(0.394 in)
1
6. Inspection of Piston Pins
Measure piston pin outer diameter, and replace piston pin
if the outer diameter is over the limit.
Piston Pin Outer Diameter : Standard Value
14.00 mm (0.5512 in)
Functional Limit :
13.98 mm (0.5504 in)
Measuring Locations :
D and D
1
D
2
7. Inspection of Piston Pin Clearance
Calculate piston pin clearance, and replace piston and
piston pin together if the clearance is over the limit.
Calculation of Piston Pin Clearance :
Piston Pin Hole Inner Diameter - Piston Pin
Outer Diameter
Standard Value :
-0.003 - +0.009 mm (-0.00012 - +0.00035 in)
Functional Limit :
0.020 mm (0.00079 in)
Use the maximum values of piston pin hole inner
diameters and piston pin outer diameters
measured respectively.
23) Assembling Crank Shaft
Insert a holding bar a in between crank webs and press-
1.
fit bearing (lower) using suitable pipe 1.
Install bearing so that marked side faces upward.
2. Press-fit bearing (upper) in the same way of bearing
(lower).
10 mm (0.394 in) from top end
3
and bottom end respectively
26 mm (1.024 in) from the end
GB
2st X18E2 2012