3 - 38
CHK
ADJ
●
Tap the tailpipe lightly with a soft-face ham-
mer or suitable tool, then use a wire brush to
remove any carbon deposits from the spark
arrester portion of the tailpipe and the inner
contact surfaces of the muffler.
●
Insert the tailpipe
2
into the muffler and
align the bolt holes.
●
Insert the bolt
1
and tighten it.
●
Start the engine and rev it up approximately
twenty times while momentarily creating
exhaust system back pressure by blocking
the end of the muffler with a shop towel.
●
Stop the engine and allow the exhaust pipe
to cool.
*****************************************************
CLEANING THE SPARK ARRESTER
Summary of Contents for YFM660FS
Page 1: ...LIT 11616 17 14 5KM 28197 E2 YFM660FS SUPPLEMENTARY SERVICE MANUAL ...
Page 17: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN PRINTED IN U S A ...
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Page 72: ...YFM660FP SERVICEMANUAL LIT 11616 15 01 5KM 28197 E0 ...
Page 117: ...2 11 SPEC MAINTENANCE SPECIFICATIONS Item Standard Cylinder head tightening sequence ...
Page 417: ...9 3 ELEC CHECKING THE SWITCH ...
Page 478: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN PRINTED IN U S A ...