Suzuki GSX-R750, Service Manual

Page: 109 / 495

ENGINE 3-61
CONROD-CRANK PIN BEARING INSPECTION
• Inspect the bearing surfaces for any sign of fusion, pitting, burn,
or flaws. If any, replace them with a specified set of bearings.
CONROD-CRANK PIN BEARING SELECTION
• Place the plastigauge axially along the crank pin, avoiding the
oil hole, as shown.
[
09900-22301: Plastigauge
• Tighten the conrod cap bolts to the specified torque, in two
stages. ( 3-69)
#
* Apply engine oil to the conrod cap bolt.
* Never rotate the crankshaft or conrod when a piece of
plastigauge is installed.
• Remove the bearing caps and measure the width of the com-
pressed plastigauge using the envelope scale. This measure-
ment should be taken at the widest part of the compressed
plastigauge.
Conrod big end oil clearance:
Standard: 0.032 – 0.056 mm (0.0013 – 0.0022 in)
Service Limit: 0.080 mm (0.0031 in)
• If the oil clearance exceeds the service limit, select the speci-
fied bearings from the bearing selection table.