5 - 18
ENG
CAMSHAFT AND CYLINDER HEAD
REMOVING THE CAMSHAFT AND CYLIN-
DER 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
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.
Summary of Contents for YFM660RN
Page 1: ...YFM660RN YFM660RNC SERVICEMANUAL LIT 11616 14 21 5LP 28197 E0 ...
Page 33: ...2 11 SPEC Cylinder head tightening sequence Item Standard Limit MAINTENANCE SPECIFICATIONS ...
Page 45: ...2 23 SPEC OIL FLOW DIAGRAMS 1 Oil tank 2 Oil pipe 2 3 Oil pipe 1 OIL FLOW DIAGRAMS ...
Page 110: ...3 54 CHK ADJ CHECKING THE BATTERY Charging method using a variable voltage charger ...
Page 111: ...3 55 CHK ADJ CHECKING THE BATTERY Charging method using a constant voltage charger ...
Page 327: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN PRINTED IN U S A ...
