Mercury D4.2L - Scheduled Maintenance Intervals (Part 1); Scheduled Maintenance Tasks (Post 20;100 Hours)

66
Maintenance Schedules (Continued)
Scheduled Maintenance
After
First
20
hours
After
First
100
hours
Annu-
ally
Every
100
hours or
Annually
z
Every
200
hours
or 3
years
z
Every
300
hours
or 3
years
z
Every
2
years
Every
5
years
Every
500
hours
or 5
years
z
Every
1000
hours
or 5
years
z
Change crankcase oil and
filter.
D
Retorque cylinder head
bolts.
D
Touch-up paint power
package and spray with
corrosion guard.
D
Change crankcase oil and
filter.
D
Change drive unit oil and
retorque connection of
gimbal ring to steering
shaft.
D
Replace fuel filter(s). D
Check steering system and
remote control for loose,
missing or damaged parts.
Lubricate cables and link-
ages.
D
Inspect U-joints, splines,
and bellows. Check
clamps. Check engine
alignment. Lubricate
U-joints and splines.
D
Lubricate gimbal bearing
and engine coupler
*
D
Check continuity circuit for
loose or damaged
connections. Test
MerCathodeR unit output
on Bravo Models.
D
Retorque engine mounts. D
Check electrical system for
loose, damaged or cor-
roded fasteners.
D
z Whichever Occurs First
* Lubricate engine coupler every 50 hours if operated at idle for prolonged periods of time.