54
Spark Arrester
(Refer to the Safety Precautions on page 39.)
The exhaust system spark arrester must be purged of
accumulated carbon periodically (see Maintenance
Schedule for servicing period, page 40).
The exhaust system becomes very hot during operation
and remains hot for a period of time after stopping
the engine. Allow the exhaust system to cool before
performing this operation.
(1)
(2)
(3)
(4)
(1) Bolts
(2) Spark arrester
(3) Gasket
(4) Muffler
1. Remove the bolts (1), the spark arrester (2) and
the gasket (3) from the muffler (4).
2. Use a brush to remove carbon deposits from
the spark arrester screen (5). Be careful to
avoid damaging the spark arrester screen. The
spark arrester must be free of breaks and holes.
Replace, if necessary.
3. Install the spark arrester with a new gasket and
tighten the bolts to the specified torque:
14 N.m (1.4 kgf.m, 10 lbf.ft)
(5)
CRF150F
(5) Spark arrester
screen