Suzuki Ignis Service Manual page 1335

6A1-12 ENGINE MECHANICAL (M15 ENGINE)
Specification of new standard crankshaft main bearing
size
Alphabet A (1)
stamped on
B (2)
cylinder block
C (3)
(Cap bore dia.)
5) Using scale (1) on gaging plastic (2), check bearing clear-
ance with newly selected standard bearing.
If clearance still exceeds its limit, use next thicker bearing
and recheck clearance.
6) When replacing crankshaft or cylinder block due to any rea-
son, select new standard bearings to be installed by referring
to number stamped on new crankshaft or alphabets stamped
on new cylinder block.
Undersize Bearing (0.25 mm (0.0098 in.))
• 0.25 mm (0.0098 in.) undersize bearing is available, in five
kinds varying in thickness.
To distinguish them, each bearing is painted in the following
colors at such position as indicated in figure.
Each color represents the following thickness at the center of
bearing.
Undersize of crankshaft main bearing thickness
Color painted
Red and Purple 2.117 – 2.121 mm (0.08335 – 0.08350 in.)
Red and Brown 2.120 – 2.124 mm (0.08347 – 0.08362 in.)
Red and Green 2.123 – 2.127 mm (0.08359 – 0.08374 in.)
Red and Black 2.126 – 2.130 mm (0.08371 – 0.08385 in.)
Red only 2.129 – 2.133 mm (0.08382 – 0.08397 in.)
1. Paint
• If necessary, regrind crankshaft journal and select undersize
bearing to use with it as follows.
1) Regrind journal to the following finished diameter.
Finished diameter
51.732 – 51.750 mm (2.0367 – 2.0374 in.)
Number stamped on crank web
No.2 (Journal diameter)
1 2
Purple Brown
Brown Green
Green Black
New standard bearing to be
installed.
Bearing thickness
3
Green
Black
Colorless