9-4
9
6
*
Exhaust system
• Check for leakage and replace gasket(s) if neces-
sary.
• Check for looseness and tighten all screw clamps
and joints if necessary.
√
√
√
7
Spark arrester
• Clean.
√
√
√
8
*
Air induction sys-
tem
• Check the air cut-off valve, reed valve, and hose
for damage.
• Check condition and clean or replace if neces-
sary.
√
√
√
NO.
ITEM
CHECK OR MAINTENANCE
JOB
INITIAL
EVERY
Whichev-
er comes
first
month
1
3
6
6
12
km (mi)
240
(150)
1300
(800)
2500
(1600)
2500
(1600)
5000
(3200)
hours
15
80
160
160
320
UBW415E0.book Page 4 Monday, June 7, 2021 1:01 PM