Service Information; Maintenance Interval Chart - Yamaha GX1800A Service Manual

Service information

Maintenance interval chart

The following chart should be considered strictly as a guide to general maintenance intervals.
Depending on the operating conditions, the maintenance intervals should be changed.
Perform the pre-operation checks and post-operation checks before performing periodic maintenance.
Item
Fuel line
Fuel filler cap/Water sep-
arator
Fuel tank
Water inlet strainer
Cooling water hoses
Engine oil
Oil filter
Intermediate housing
Spark plugs
Battery
Battery leads
Steering master
Steering cable
Q.S.T.S. cable
Q.S.T.S. converter and
rod
Shift lever
Shift cable and reverse
gate
Air filter element
Air intake hoses
Throttle body
Operation
Check fuel hoses and
clamps
Check O-rings for cracks
and deformation
Check installation and
straps
Check for clogs and
damage
Check for damage and
leakage, and check
clamps
Replace
Replace
Lubricate
Check
Check specific gravity of
electrolyte, terminals,
bands, and breather
hose
Check terminals
Check operation and for
looseness
Check exterior and con-
nections, and lubricate
Check exterior and con-
nections, and lubricate
Check exterior and con-
nections, and lubricate
Check exterior and con-
nections, and lubricate
Check exterior and con-
nections, and lubricate
Check for damage and
dirt
Check for damage, and
check clamps
Lubricate throttle valves
Initial
50 hours or
10 hours
12 months *1
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21
Thereafter every
100 hours or 200 hours or
12 months *1 24 months *1
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