Description
25
Engine compartment
52143
9
8
6
7
10
1Engine cover
2Air filter case
3Water separator (page 31)
4Fuel tank
5Battery (page 68)
6Electrical box
7Spark plug/Spark plug cap/Ignition coil
8Removable watertight storage compart-
ment (page 55)
9Engine oil filler cap (page 60)
10Dipstick (page 60)
UF2T74E0.book Page 25 Wednesday, July 2, 2014 11:17 AM
Maintenance
95
EJU43101Periodic maintenance chart
The periodic maintenance chart gives general guidelines for periodic maintenance. Have a
Yamaha dealer perform the checks in the following chart. However, maintenance may need
to be performed more frequently depending on your operating conditions. If you have any
questions, consult a Yamaha dealer.
This “√” mark indicates items to be checked and serviced by a Yamaha dealer.
Item OperationInitial Thereafter every
Page
10 hours50 hours
or 12
months
*1100
hours or
12
months
*1200
hours or
24
months
*1
Fuel lineCheck fuel hoses and
clamps√—
Fuel filler cap/Wa-
ter separatorCheck O-rings for cracks
and deformation√—
Fuel tankCheck installation and
straps√—
Water inlet strainerCheck for clogs and dam-
age√—
Cooling water hos-
esCheck for damage and
leakage, and check
clamps√—
Engine oilReplace√√97
Oil filterReplace√97
Intermediate hous-
ingLubricate√—
Spark plugsCheck√√—
BatteryCheck specific gravity of
electrolyte, terminals,
bands, and breather hose√—
Battery leadsCheck terminals√—
Steering masterCheck operation and for
looseness√√—
Steering cableCheck exterior and con-
nections, and lubricate√—
Electric trim rodCheck exterior and con-
nections, and lubricate√—
Shift rod and re-
verse gateCheck exterior and con-
nections, and lubricate√—
Air filter elementCheck for damage and
dirt√—
Air intake hosesCheck for damage, and
check clamps√
—
Throttle bodyLubricate throttle valves√—
UF2T74E0.book Page 95 Wednesday, July 2, 2014 11:17 AM
Specifications
98
EJU34543
Specifications
Watercraft capacity:
Maximum people on board:
3 person
Maximum load capacity:
240 kg (530 lb)
Dimensions:
Length:
3560 mm (140.2 in)
Width:
1230 mm (48.4 in)
Height:
1230 mm (48.4 in)
Dry weight:
FX HO 376 kg (829 lb)
FX Cruiser HO 377 kg (831 lb)
Performance:
Maximum output (according to ISO 8665/SAE
J1228):
132.4 kW@7600 r/min
Maximum fuel consumption:
48.7 L/h (12.9 US gal/h, 10.7 Imp.gal/h)
Cruising range at full throttle:
1.44 hour
Trolling speed:
1300 ±100 r/min
Engine:
Engine type:
Liquid cooled 4-stroke, DOHC
Number of cylinders:
4
Engine displacement:
1812 cm³
Bore × stroke:
86.0 × 78.0 mm (3.39 × 3.07 in)
Compression ratio:
11.0 : 1
Valve clearance-intake (cold):
0.14–0.23 mm (0.0055–0.0091 in)
Valve clearance-exhaust (cold):
0.28–0.37 mm (0.0110–0.0146 in)
Lubrication system:
Wet sump
Cooling system:
Water
Starting system:
ElectricIgnition system:
T.C.I.
Spark plug:
LFR6A
Spark plug gap:
0.8–0.9 mm (0.031–0.035 in)
Battery capacity:
12 V, 19 Ah
Charging system:
Flywheel magneto
Drive unit:
Propulsion system:
Jet pump
Jet pump type:
Axial flow, single stage
Impeller rotation:
Counterclockwise
Jet thrust nozzle angle:
24.0+24.0 °
Jet thrust nozzle trim angle:
-6, -3, 0, 3, 6 °
Fuel and oil:
Recommended fuel:
Regular unleaded gasoline
Minimum octane rating (PON):
86
Minimum octane rating (RON):
90
Recommended engine oil type SAE:
SAE 10W-30, 10W-40, 20W-40, 20W-50
Recommended engine oil grade API:
API SE,SF,SG,SH,SJ,SL
Fuel tank total capacity:
70 L (18.5 US gal, 15.4 Imp.gal)
Engine oil quantity with oil filter replacement:
3.6 L (3.81 US qt, 3.17 Imp.qt)
Engine oil quantity without oil filter replacement:
3.5 L (3.70 US qt, 3.08 Imp.qt)
Engine oil total quantity:
5.3 L (5.60 US qt, 4.66 Imp.qt)
UF2T74E0.book Page 98 Wednesday, July 2, 2014 11:17 AM
Trouble recovery
101
Watercraft slow or
loses powerWatercraft
operation
modeLow RPM Mode acti-
vatedDeactivate Low RPM
Mode 36
Cavitation Jet intake clogged Clean 102
Impeller damaged or
wornHave serviced by
Yamaha dealer102
Engine over-
heat warningEngine speed reduc-
tion control activatedClean jet intake and
cool engine44
Oil pressure
warningEngine speed reduc-
tion control activatedAdd oil
44
Spark plug Fouled or defective Have serviced by
Yamaha dealer—
Incorrect heat range Have serviced by
Yamaha dealer—
Gap incorrect Have serviced by
Yamaha dealer—
Spark plug
capNot connected or
looseHave serviced by
Yamaha dealer—
Electrical wir-
ingLoose connection Have serviced by
Yamaha dealer—
Fuel Stale or contaminat-
edHave serviced by
Yamaha dealer—
Air filter Clogged Have serviced by
Yamaha dealer—
Oil buildup Have serviced by
Yamaha dealer—
Throttle lever Faulty Have serviced by
Yamaha dealer— TROUBLE POSSIBLE CAUSE REMEDY PAGE
UF2T74E0.book Page 101 Wednesday, July 2, 2014 11:17 AM
108
Index
A
Adjustable tilt steering system ................. 30
Adjustable tilt steering system checks .... 70
After removing the watercraft from the
water ..................................................... 86
Analog speedometer/tachometer ............ 40
B
Battery care.............................................. 89
Battery checks ......................................... 68
Battery, jumping ..................................... 103
Beaching and docking the watercraft ...... 86
Beverage holders ..................................... 55
Bilge water check..................................... 68
Bilge water, draining ................................ 62
Bilge water, draining on land ................... 62
Bilge water, draining on water ................. 62
Boarding alone ......................................... 82
Boarding and starting off from a dock ..... 85
Boarding the watercraft ........................... 82
Boarding with passenger(s) ..................... 83
Bow eye ................................................... 51
Bow storage compartment ...................... 52
Builder’s plate ............................................ 2
C
Capsized watercraft ................................. 85
Check engine warning ............................. 45
Cleaning ................................................... 92
Cleaning the watercraft ............................ 89
Cleat ......................................................... 51
Cooling water pilot outlet ......................... 31
Cooling water pilot outlet check .............. 73
Craft Identification Number (CIN)............... 1
Cruise assist............................................. 38
Cruising limitations................................... 12
D
Digital speedometer ................................. 41
E
Electric trim system.................................. 34
Emergency procedures .......................... 102
Engine break-in ........................................ 64
Engine compartment check ..................... 67
Engine cover, removing and installing ..... 93
Engine idling speed check ....................... 75
Engine oil ................................................. 60
Engine oil and oil filter .............................. 97Engine oil level check ............................... 68
Engine oil requirements ........................... 60
Engine overheat warning.......................... 44
Engine serial number ................................. 1
Engine shut-off cord (lanyard) check ....... 71
Engine shut-off switch ............................. 28
Engine stop switch ................................... 28
Engine unit check ..................................... 68
Enjoy your watercraft responsibly ............ 20
Equipment ................................................ 49
F
Fire extinguisher check ............................ 72
Fire extinguisher holder and cover........... 57
Fire extinguisher holder, cover,
and band checks .................................. 72
Flushing the cooling water passages....... 88
Fuel .......................................................... 58
Fuel level check........................................ 67
Fuel level meter ........................................ 43
Fuel level warning..................................... 44
Fuel requirements .................................... 58
Fuel system checks ................................. 67
Fuses, replacing ..................................... 104
G
Getting to know your watercraft .............. 76
Glossary, watercraft ................................. 21
Glove compartment ................................. 53
H
Handgrip .................................................. 50
Hazard information................................... 16
Hood check .............................................. 73
Hour meter/voltmeter ............................... 42
Hull and deck check ................................ 72
I
Identification numbers ............................... 1
Information display................................... 41
J
Jet intake and impeller, cleaning............ 102
Jet intake checks ..................................... 72
Jet thrust nozzle and reverse gate
check .................................................... 72
Jumper cables, connecting .................... 103
L
Labels, important ....................................... 4
Labels, other .............................................. 9
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