Camshaft Runout; Cam Chain Tension Adjuster; Cam Chain Tensioner; Cam Chain Guide - Suzuki GSX-R750 Service Manual

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CAMSHAFT RUNOUT

• Measure the runout using the dial gauge.

• Replace the camshaft if the runout exceeds the limit.

[ 09900-20606: Dial gauge (1/100 mm)

09900-20701: Magnetic stand

09900-21304: V-block set (100 mm)

Camshaft runout:

Service Limit (IN & EX): 0.10 mm (0.004 in)

CAM SPROCKET

• Inspect the sprocket teeth for wear.

• If they are worn, replace the sprocket/camshaft assembly and

cam chain as a set.

• Remove the cam chain tension adjuster cap bolt.

• Check that the push rod slides smoothly when releasing stop-

• If it does not slide smoothly, replace the cam chain tension ad-

juster with a new one.

• Check the contacting surface of the cam chain tensioner.

• If it is worn or damaged, replace it with a new one.

• Check the contacting surfaces of the cam chain guides.

• If they are worn or damaged, replace them with the new ones.

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