Suzuki GSX-R750, Service Manual

Page: 112 / 495

3-64 ENGINE
• Check the corresponding crankcase journal I.D. code number
A
, “A” or “B” which are stamped on the rear of upper crank-
case.
• Check the corresponding crankshaft journal O.D. code number
B
, “A”, “B” or “C” which are stamped on the crankshaft.
Bearing selection table
Crankcase I.D. specification
Code I.D. specification
A
35.000 – 35.008 mm
(1.3780 – 1.3783 in)
B
35.008 – 35.016 mm
(1.3783 – 1.3786 in)
Crankshaft journal O.D. specification
Code O.D. specification
A
31.992 – 32.000 mm
(1.2595 – 1.2598 in)
B
31.984 – 31.992 mm
(1.2592 – 1.2595 in)
C
31.976 – 31.984 mm
(1.2589 – 1.2592 in)
[
09900-20202: Micrometer (25 – 50 mm)
Bearing thickness specification
Color (Part No.) Thickness
Green 1.488 – 1.492 mm
(12229-35F00-0A0) (0.0586 – 0.0587 in)
Black 1.492 – 1.496 mm
(12229-35F00-0B0) (0.0587 – 0.0589 in)
Brown 1.496 – 1.500 mm
(12229-35F00-0C0) (0.0589 – 0.0591 in)
Yellow 1.500 – 1.504 mm
(12229-35F00-0D0) (0.0591 – 0.0592 in)
NOTE:
Upper and middle crankshaft journal bearings are the same.
INSTALLATION
• When fitting the crankshaft journal bearings to the upper and
lower crankcases, be sure to fix the stopper part
A
first and
press the other end.
#
Do not touch the bearing surfaces with your hands.
Grasp by the edge of the bearing shell.