Checking The Camshafts - Yamaha FZS1000N Service Manual

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timing chain guide (exhaust side) 1

camshaft caps

To prevent damage to the cylinder head,

camshafts or camshaft caps, loosen the

camshaft cap bolts in stages and in a criss-

cross pattern, working from the outside in.

intake camshaft 1

exhaust camshaft 2

CHECKING THE CAMSHAFTS

camshaft lobes

Blue discoloration/pitting/scratches ³ Re-

place the camshaft.

camshaft lobe dimensions a and b

Out of specification ³ Replace the cam-

Camshaft lobe dimension limit

a 32.4 mm (1.2756 in)

b 24.85 mm (0.9783 in)

a 32.85 mm (1.2933 in)

b 24.85 mm (0.9783 in)

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