TOHATSU EverRun MX 18E2 Service Manual page 204

Power Unit
D2
D4
D6
a 10mm (0.39 in)
b 30mm (1.18 in)
c 80mm (3.15 in)
5-52
D1
a
b
D3
c
D5
d
e
d Crank Shaft Direction
e Crank Web Direction
21) Inspection of Engine Parts
1. Inspection of Cylinder
1) Measure cylinder inner diameters (D
If any of the diameter is over the limit, replace the cylinder or
bore the liner to make it compatible with an oversize piston.
Cylinder Inner Diameters (D
60.00 mm (2.362 in)
Oversize Piston :
60.50 mm (2.382 in)
Functional Limit :
60.06 mm (2.365 in)
Oversize Piston :
60.56 mm (2.384 in)
· Measure at the area of the largest wear.
The measurement heights b and c represent
location 5 mm above and below exhaust port. d
represents diameter in crank shaft direction, e
represents the one in crank web direction.
· Replace the cylinder in any of the following
cases; the piston sliding surface is severely
damaged such as deeply scratched or scuffed
so that it cannot be repaired with water-proof
sand paper of #400 - 600, or the difference of
liner inner diameter between the largest worn
area and minimum worn area is 0.06mm (0.0024
in) or over.
GB
) at a, b and c.
- D
1 6
- D ) : Standard Value
1 6
2st X18E2 2012