Yanmar 6LPA-STP2 Service Manual page 125

Cylinder Block
12/05
Crank Pin Bearing Selection Table
Connecting Rod
Crankshaft 1
Bearing 2
Example: If the marks on the connecting rod and
crankshaft are (2) and (1), select bearing (3) as
(2 + 1 = 3).
Inside Diameter of Larger End of Connecting Rod
Mark "1"
Mark "2"
Mark "3"
Diameter of Crankshaft Crank Pin
Mark "1"
Mark "2"
Mark "3"
Bearing Thickness
Mark "2" 1.486 to 1.489 mm
Mark "3" 1.489 to 1.492 mm
(0.0585 to 0.0586 in.)
Mark "4" 1.492 to 1.495 mm
(0.0586 to 0.0587 in.)
Mark "5" 1.495 to 1.498 mm
(0.0587 to 0.0588 in.)
Mark "6" 1.498 to 1.501 mm
(0.0589 to 0.0590 in.)
12. Completely remove the plastigage.
6LPA Service Manual
Mark No.
1 2
2 3 1 2 3 1
3 4 3 4 5 4
62.014 to 62.020 mm
(2.4414 to 2.4417 in.)
62.020 to 62.026 mm
(2.4417 to 2.4419 in.)
62.026 to 62.032 mm
(2.4419 to 2.4422 in.)
58.994 to 59.000 mm
(2.3225 to 2.3228 in.)
58.988 to 58.994 mm
(2.3223 to 2.3226 in.)
58.982 to 58.988 mm
(2.3221 to 2.3223 in.)
P/N: 119770-00260
119770-01010
119770-01020
119770-01030
119770-01040
© 2007 Yanmar Marine International
13. Before removing the pistons, remove all carbon
deposits from the upper cylinder ridge areas
(Figure 5-88).
3
Figure 5-88
2 3
5 6
14. Remove all the piston and connecting rod
assemblies from the cylinder block.
Store each bearing, connecting rod and cap
together as a set and mark each from the cylinder
they were removed.
Store the pistons and connecting rod assemblies
together in sets marked by their cylinder number
for correct reassembly.
ENGINE
(6)
0005118
Figure 5-88
5-45