Trouble recovery
65
Engine runs irregu-
larly or stallsFuel Empty Refill as soon as pos-
sible29
Stale or contaminat-
ed Have serviced by
Yamaha dealer
—
Too much oil in fuel
mixing ratio Correct fuel-to-oil ra-
tio to 50:1
28
Choke Knob is left pulled Push fully in 21
Fuel filter Clogged or water pooled Have serviced by
Yamaha dealer
61
Fuel tank Water or dirt present Have serviced by Yamaha dealer—
Spark plug Fouled or defective Replace 60 Incorrect heat range Replace 60
Gap incorrect Replace 60
Spark plug
cap Not connected or
loose Connect properly
60
Cracked, torn or dam-
aged Have serviced by
Yamaha dealer
—
Electrical wir-
ing Loose electrical con-
nections Have serviced by
Yamaha dealer
—
Carburetor Incorrect idle adjust- ment Have serviced by
Yamaha dealer
—
Clogged Have serviced by Yamaha dealer 62
Watercraft slow or
loses power Cavitation Jet intake clogged Clean 66
Impeller damaged or
worn Have serviced by
Yamaha dealer
66
Engine over-
heated Jet intake clogged Clean
66
Fuel filter Clogged Have serviced by Yamaha dealer61
Spark plug Fouled or defective Replace 60 Incorrect heat range Replace 60
Gap incorrect Replace 60
Spark plug
caps Not connected or
loose Connect properly
60
Fuel Stale or contaminat- ed Have serviced by
Yamaha dealer
—
TROUBLE POSSIBLE CAUSE REMEDY PAGE
UF2F75E0.book Page 65 Thursday, July 5, 2012 8:50 AM
Index
2-stroke engine oil .................................... 28
A
After removing the watercraft from the water ..................................................... 49
B
Battery care .............................................. 51
Battery checks.......................................... 36
Battery, jumping ....................................... 67
Beaching the watercraft ........................... 49
Bilge water check ..................................... 36
Bilge water, draining................................. 30
Bilge water, draining on water .................. 30
Boarding and starting in deep water ........ 47
Boarding and starting in shallow water .... 46
Bow rope hole .......................................... 25
C
Capsized watercraft ................................. 48
Carburetor, adjusting................................ 62
Choke cable, adjusting ............................. 61
Choke knob .............................................. 21
Cleaning ................................................... 54
Cleaning the watercraft ............................ 51
Cooling water pilot outlet .......................... 21
Cooling water pilot outlet check ............... 39
Craft Identification Number (CIN) ............... 1
Cruising limitations ..................................... 9
E
Emergency procedures ............................ 66
Engine break-in ........................................ 32
Engine compartment check...................... 35
Engine idling speed, adjusting ................. 62
Engine overheat warning system ............. 22
Engine serial number ................................. 1
Engine shut-off cord (lanyard) check ....... 38
Engine shut-off switch .............................. 19
Engine stop switch ................................... 19
Engine unit check ..................................... 36
Enjoy your watercraft responsibly ............ 15
Equipment ................................................ 24
F
Fire extinguisher check ............................ 39
Fire extinguisher container ....................... 26
Fire extinguisher container checks........... 39
Flushing the cooling water passages ....... 50 Fuel .......................................................... 28
Fuel and engine oil requirements ............. 28
Fuel cock knob ......................................... 21
Fuel filter, checking .................................. 61
Fuel level check ....................................... 35
Fuel system checks .................................. 35
Fuel tank, filling ........................................ 29
Fuse, replacing ......................................... 67
G
Getting to know your watercraft ............... 40
Glossary, watercraft ................................. 16
H
Hazard information ................................... 13
Hood ......................................................... 24
Hood check .............................................. 39
Hull and deck check ................................. 39
I
Identification numbers ................................ 1
J
Jet intake and impeller, cleaning .............. 66
Jet intake checks ...................................... 39
Jet thrust nozzle angle, adjusting ............. 57
Jumper cables, connecting ...................... 67
L
Labels, important ........................................ 3
Labels, other .............................................. 7
Labels, warning .......................................... 4
Launching the watercraft .......................... 41
Learning to operate your watercraft ......... 40
Leaving the watercraft .............................. 43
Limitations on who may operate the
watercraft ................................................ 8
Long-term storage .................................... 54
Lubrication................................................ 54
Lubrication points ..................................... 61
M
Main components, location of .................. 17
Maintenance ............................................. 56
Manufactured date label ............................. 2
Mixing fuel and oil .................................... 28
O
Operating in weeded areas ...................... 49
Operating positions .................................. 40
Operating the watercraft ........................... 43
Operating your watercraft ......................... 40
UF2F75E0.book Page 1 Thursday, July 5, 2012 8:50 AM
