Yamaha GRIZZLY Ultramatic YFM660FP, Service Manual

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ENG
CAMSHAFT AND CYLINDER HEAD
REMOVING THE CAMSHAFT AND
CYLINDER HEAD
1.Loosen:
●
Camshaft sprocket bolts
1
2.Loosen:
●
Timing chain tensioner cap bolt
3.Remove:
●
Timing chain tensioner
●
Timing chain guide (exhaust)
●
Decompressor cam guide plates
●
Camshaft sprocket
●
Camshaft
NOTE:
●
Fasten a safety wire to the timing chain to
prevent it from falling into the crankcase.
●
When removing the camshaft sprocket, it is
not necessary to separate the timing chain.
4.Remove:
●
Cylinder head
NOTE:
●
Loosen the bolts in the proper sequence.
●
Follow the numerical order shown in the illus-
tration. Loosen each bolt 1/4 of a turn at a
time until all of the bolts are loose.