Checking The Camshaft Sprockets; Checking The Timing Chain Tensioner; Installing The Camshafts - Yamaha 2016 Grizzly yfm700gplg Service Manual

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• Camshaft journal diameter "a"

Out of specification → Replace the camshaft.

Within specification → Replace the cylinder

head and camshaft cap as a set.

Camshaft journal diameter

21.946–21.963 mm (0.8640–

CHECKING THE CAMSHAFT SPROCKETS

• Camshaft sprocket

More than 1/4 tooth wear "a" → Replace the

camshaft sprockets and timing chain as a set.

a. 1/4 tooth

1. Timing chain

2. Camshaft sprocket

• Timing chain tensioner

Cracks/damage/rough movement → Re-

a. Lightly press the timing chain tensioner rod

into the timing chain tensioner housing by

While pressing the timing chain tensioner rod,

wind it clockwise with a flat-head screwdriver un-

til it stops.

b. Make sure that the timing chain tensioner rod

moves in and out of the timing chain tension-

er housing smoothly. If there is rough move-

ment, replace the timing chain tensioner.

• Mark "a" on the AC magneto rotor

(with the mark "b" in the AC magneto cover)

a. Turn the crankshaft counterclockwise.

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