Joyner JNSZ1100SV Owner's Manual page 39

Engine maintenance
1. Service Air Filter
Service air filter refer to preventative log.
NOTE: Service more often under dusty conditions.
Filter
Cover
Rubber bushing
FIGURE 36
Remove filter cover (See Fig. 36) Check the filter cover and the air filter, if the filter cover
and the air filter are dusty, please clear the filter cover and replace with a new air filter.
2. Engine Lubrication
Engine oil replacement
You must change the oil in the crankcase after the first 5 hours of operating of your
new engine and after 10 hours of use thereafter. That will insure proper lubrication of
internal parts and prevent costly repairs due to excessive wear. (See Fig. 37-39)
Oil intlet
Oil inlet plug
Oil measure
FIGURE 37
Oil measure
Oil outlet
FIGURE 38
FIGURE 39