2003 YAMAHA FX fuel

4-26
E
DRIVE UNIT
Propulsion system Jet pump
Jet pump type Axial flow, single stage
Impeller rotation Counterclockwise (viewed from rear)
Transmission Constant mesh 1-speed
Jet thrust nozzle horizontal angle Degree 26 + 26
Jet thrust nozzle trim angle Degree -10, -5, 0, 5, 10
FUEL AND OIL
Recommended fuel Regular unleaded gasoline
Minimum octane rating PON
RON86
90
Recommended engine oil SAE 10W-30
API SE, SF, SG, SH, SJ
Fuel tank capacity
Total L (US gal, Imp gal) 70 (18.5, 15.4)
Engine oil quantity
With oil filter replacement L (US qt, Imp qt) 2.2 (2.3, 1.9)
Without oil filter replacement L (US qt, Imp qt) 2.0 (2.1, 1.8)
Total amount L (US qt, Imp qt) 4.3 (4.5, 3.8)MODEL
ITEMUnit FX140/FX Cruiser
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EJU01116
Troubleshooting
If you have any trouble with your watercraft, use this section to check for the possible
cause.
If you cannot find the cause, or if the procedure for replacement or repair is not described
in this Owner’s/Operator’s Manual, have a Yamaha dealer perform the necessary service.
EJU01367
Troubleshooting chart
TBC-F0P7ETROUBLE POSSIBLE CAUSE REMEDY PAGE
Engine does not
startStarter motor does not turn over
Engine shut-
off switchClip not in place Install clip
2-8
Fuse Burned out Replace the fuse and
check wiring4-24
Battery Run down Recharge 4-21
Poor terminal connec-
tionsTighten as required
4-21
Terminal corroded Clean 4-5
Starter motor Faulty Have serviced by
Yamaha dealer—
Starter motor turns over
Throttle lever Squeezed Release 2-8
Fuel Empty Refill as soon as possi-
ble3-4
Stale or contaminated Have serviced by
Yamaha dealer4-10
Fuel tank Water or dirt present Have serviced by
Yamaha dealer4-10
Spark plug Fouled or defective Clean or replace 4-16
Spark plug cap Not connected or loose Connect properly 4-16
Connected to wrong
cylinderConnect properly
4-16
Fuel injection
systemFuel pump faulty Have serviced by
Yamaha dealer—
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5-2
E
Engine runs irregu-
larly or stallsFuel Empty Refill as soon as possi-
ble3-4
Stale or contaminated Have serviced by
Yamaha dealer4-10
Fuel tank Water or dirt present Have serviced by
Yamaha dealer4-10
Spark plug Fouled or defective Replace 4-16
Incorrect heat range Replace 4-16
Gap incorrect Adjust 4-16
Spark plug cap Loose Connect properly 4-16
Cracked, torn, or dam-
agedReplace
—
Electrical wir-
ingLoose connection Tighten or connect
properly—
Fuel injection
systemJet nozzle clogged Have serviced by
Yamaha dealer—
Warning light or
indicator blinksFuel level Empty Refill as soon as possi-
ble3-4
Engine over-
heatedJet intake clogged Clean
5-3
Check engine
warningFaulty sensors Have serviced by
Yamaha dealer—
Wate rcr af t slow or
loses powerCavitation Jet intake clogged Clean 5-3
Impeller damaged or
wornHave serviced by
Yamaha dealer—
Engine over-
heat warningEngine speed reduc-
tion control activatedClean jet intake and
cool engine2-19
Oil pressure
warningEngine speed reduc-
tion control activatedAdd oil
2-18
Spark plug Fouled or defective Replace 4-16
Incorrect heat range Replace 4-16
Gap incorrect Adjust 4-16
Spark plug
capsLoose Connect properly
4-16
Electrical wir-
ingLoose connection Tighten or connect
properly—
Fuel Stale or contaminated Have serviced by
Yamaha dealer4-10
Air filter Clogged Clean or replace 4-13
Oil buildup Replace 4-13 TROUBLE POSSIBLE CAUSE REMEDY PAGE
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Index
A
Adjusting the fuel injection system ........ 4-23
Approval label of Emission control
certificate ................................................. 1-3
B
Battery ............................................ 3-10, 4-5
Beaching the watercraft ........................ 3-32
Bilge ........................................................ 3-9
Boarding alone ...................................... 3-25
Boarding and starting in deep water ..... 3-25
Boarding with passengers ..................... 3-26
Bow down.............................................. 2-14
Bow up .................................................. 2-14
C
Capsized watercraft .............................. 3-27
Changing the engine oil ........................ 4-11
Check engine warning indicator ............ 2-17
Checking the air filter element............... 4-13
Checking the trolling speed ................... 4-23
Cleaning and adjusting the
spark plugs ............................................ 4-16
Cleaning the jet intake and impeller ........ 5-3
Cleaning the watercraft ........................... 4-6
Connecting the jumper cables................. 5-6
Cooling water pilot outlet ................ 2-9, 3-15
Cruising limitations ................................ 1-12
D
Docking the watercraft .......................... 3-32
E
Emergency procedures ........................... 5-3
Emission control information
(For Canada only) ................................... 1-3
Engine break-in ..................................... 3-16
Engine compartment ............................... 3-6
Engine oil ................................................ 3-3
Engine oil level ........................................ 3-7
Engine overheat warning indicator ........ 2-19
Engine serial number .............................. 1-2
Engine shut-off cord (lanyard) ............... 3-14
Engine shut-off switch ............................. 2-8Engine stop switch .................................. 2-7
Enjoy your watercraft responsibly ......... 1-19
F
Filling the fuel tank .................................. 3-4
Fire extinguisher .................................... 3-11
Flushing the cooling system .................... 4-1
Front seat ................................................ 2-6
Front storage compartment ................... 2-20
Fuel and oil.............................................. 3-1
Fuel level ................................................. 3-6
Fuel meter ............................................. 2-16
Fuel system ............................................. 4-4
Fuel tank ............................................... 4-10
Fuel tank filler cap ................................... 2-7
Fuel warning indicator ........................... 2-18
G
Gasohol ................................................... 3-2
Gasoline .................................................. 3-1
Getting to know your watercraft ............ 3-21
Glove compartment ............................... 2-21
H
Handgrip ................................................ 2-14
Hazard information ................................ 1-16
Hood........................................................ 2-7
Hour meter/Voltmeter ............................ 2-17
Hull Identification Number (HIN).............. 1-2
I
Identification numbers ............................. 1-1
Important labels ....................................... 1-4
Inspecting and adjusting the
throttle cable.......................................... 4-14
Inspecting the battery ............................ 4-21
Inspecting the fuel system ..................... 4-10
Inspecting the jet thrust nozzle angle .... 4-14
Inspecting the QSTS mechanism .......... 4-15
Inspecting the shift cable ....................... 4-14
J
Jet unit................................................... 3-14
Jumping the battery ................................. 5-5
UF1B71.book Page 1 Tuesday, November 12, 2002 4:17 PM