Crankshaft Pin Outer Diameter; Connecting Rod Big End Inside Diameter - Suzuki Wagon R Plus RB310 Service Manual

1) Check stamped numbers on connecting rod and its cap as
shown.
Three kinds of numbers ("1", "2" and "3") represent the fol-
lowing connecting rod big end inside diameters.
For example, stamped number "1" indicates that correspond-
ing connecting rod big end inside diameter is 45.0000 –
45.0060 mm (1.7717 – 1.7718 in.).

Connecting rod big end inside diameter

Stamped
connecting rod big end inside diameter
numbers
1 45.0000 – 45.0060 mm (1.7717 – 1.7718 in.)
2 45.0061 – 45.0120 mm (1.7719 – 1.7721 in.)
3 45.0121 – 45.0180 mm (1.7722 – 1.7723 in.)
[A]: Connecting rod big end inside diameter number
[B]: Weight indication mark
2) Next, check crankshaft pin diameter. On crank web No.3,
four alphabets are stamped as shown in figure.
Three kinds of alphabet ("A", "B" and "C") represent the fol-
lowing crankshaft pin diameter respectively.
For example, stamped "A" indicates that corresponding
crankshaft pin diameter is 41.9940 – 42.0000 mm (1.6534 –
1.6535 in.).

Crankshaft pin outer diameter

Stamped
alphabet
A 41.9940 – 42.0000 mm (1.6534 – 1.6535 in.)
B 41.9880 – 41.9939 mm (1.6531 – 1.6533 in.)
C 41.9820 – 41.9879 mm (1.6529 – 1.6530 in.)
[A]: Crankshaft pin diameter for No.1 cylinder
[B]: Crankshaft pin diameter for No.2 cylinder
[C]: Crankshaft pin diameter for No.3 cylinder
[D]: Crankshaft pin diameter for No.4 cylinder
ENGINE MECHANICAL (M13 ENGINE) 6A2-77
Crankshaft pin diameter