15
Motor maintenance plan
Interval
Points
Before
use,
every
time
Every 10
hours
Every 50
hours
Every
300 hours
Oil check - after
filling
X
Change motor oil
X
(1)
Clean air filter
X
(2)
Clean spark plug and
adjust spacing of
electrodes
X
Adjust valves
X
(3)
Remove carbon
deposits from
cylinder lead
X
(3)
Reface the valves
X
(3)
(1) Should be changed after the first 2 hours, and then after every 10 hours, or at least once
a year.
(2) If the machine is operated under very dirty conditions, the air filter should be cleaned
daily, or after every 5 hours’ operation.
(3) In most cases, these repairs require special tools. If in doubt, ask your dealer.