Yamaha GX1800A, Service Manual

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21
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 Operation
Initial Thereafter every
10 hours
50 hours or
12 months *1
100 hours or
12 months *1
200 hours or
24 months *1
Fuel line
Check fuel hoses and
clamps
○
Fuel filler cap/Water sep-
arator Check O-rings for cracks
and deformation
○
Fuel tank
Check installation and
straps
○
Water inlet strainer
Check for clogs and
damage
○
Cooling water hoses
Check for damage and
leakage, and check
clamps
○
Engine oil Replace
○ ○
Oil filter Replace
○
Intermediate housing Lubricate
○
Spark plugs Check
○ ○
Battery
Check specific gravity of
electrolyte, terminals,
bands, and breather
hose
○
Battery leads Check terminals
○
Steering master
Check operation and for
looseness
○ ○
Steering cable
Check exterior and con-
nections, and lubricate
○
Q.S.T.S. cable
Check exterior and con-
nections, and lubricate
○
Q.S.T.S. converter and
rod Check exterior and con-
nections, and lubricate
○ ○
Shift lever
Check exterior and con-
nections, and lubricate
○
Shift cable and reverse
gate Check exterior and con-
nections, and lubricate
○
Air filter element
Check for damage and
dirt
○
Air intake hoses
Check for damage, and
check clamps
○
Throttle body Lubricate throttle valves
○