Spark plug YAMAHA JETBLASTER 2022 Owners Manual

Description
23
Engine compartment
8
3
1011
4
2
1
56
7
9
1 Water separator (page 26)
2 Fuel tank
3 Air filter case
4 Flushing hose connector (page 69)
5 Oil tank filler cap/Dipstick (page 43)
6 Oil tank
7 Battery (page 51)
8 Fuse box 9
Spark plug/Ignition coil
10 Fire extinguisher holder (page 40)
11 Seat storage compartment (page 40)
UF6C70E0.book Page 23 Wednesday, November 10, 2021 11:33 AM

Maintenance
76
EJU43103Periodic 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 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/Wa-
ter separator Check O-rings for cracks
and deformation
√
—
Fuel tank Check installation and
straps
√
—
Water inlet strainer Check for clogs and dam-
age
√
—
Cooling water hos-
es Check for damage and
leakage, and check
clamps
√
—
Engine oil Replace √√ 78
Oil filter Replace √78
Spark plugs Check √√ —
Battery Check state of charge,
terminals and bands
√
—
Battery leads Check terminals √—
Steering master Check operation and for
looseness
√√
—
Steering cable Check exterior and con-
nections, and lubricate
√
—
Electric trim rod Check exterior and con-
nections, and lubricate
√
—
Shift rod and re-
verse 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 valve √—
Exhaust system Check
for exhaust leak-
age, and check hoses and
clamps √
—
UF6C70E0.book Page 76 Wednesday, November 10, 2021 11:33 AM

Specifications
79
EJU45443
Specifications
Watercraft capaci-
ty:Maximum people on board: 3 person
Maximum load capacity: 225 kg (496 lb)
Dimensions and
weight: Length: 3.14 m (123.6 in)
Width: 1.13 m (44.5 in)
Height: 1.18 m (46.5 in)
Dry weight: 241 kg (531 lb)
Performance: Maximum output (according to ISO
8665/SAE J1228): 80.9 kW at 8000 r/min
Maximum fuel consumption: 33.1 L/h (8.7 US gal/h, 7.3 Imp.gal/h)
Cruising range at full throttle: 1.51 hour
Trolling speed: 1500 ±100 r/min
Engine: Engine type: Liquid cooled 4-stroke, DOHC
Number of cylinders: 3
Engine displacement: 1049 cm³
Bore × stroke: 82.0 × 66.2 mm (3.23 × 2.61 in)
Compression ratio: 11.0 : 1
Valve clearance-intake (cold): 0.15–0.22 mm (0.0059–0.0087 in)
Valve clearance-exhaust (cold): 0.26–0.32 mm (0.0102–0.0126 in)
Lubrication system: Dry sump
Cooling system: Water
Starting system: Electric
Ignition system: T.C.I.
Spark plug (NGK): CR9EB
Spark plug gap: 0.7–0.8 mm (0.028–0.031 in)
Battery capacity: 12 V, 18 Ah
Battery type: YTX20L-BS
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+24 °
Jet thrust nozzle trim angle: -5, 0, 5, 10, 15 °
UF6C70E0.book Page 79 Wednesday, November 10, 2021 11:33 AM

Trouble recovery
81
EJU34562
Troubleshooting
If you have any trouble with your watercraft, use the troubleshooting chart to check for the
possible cause.
If you cannot find the cause, consult a Yamaha dealer.
EJU47161Troubleshooting chart
Confirm the possible cause and remedy, and then refer to the applicable page.
TROUBLEPOSSIBLE CAUSE REMEDYPAGE
Engine does not
start (Starter motor
does not turn over) Engine shut-
off switch
Clip not in place Install clip
24
Fuse Burned out Have serviced by
Yamaha dealer —
Battery Run down Recharge70
Poor terminal con-
nections Tighten as required
70
Terminal corroded Clean or replace 70
Starter motor Faulty Have serviced by
Yamaha dealer —
Engine does not
start (Starter motor
turns over) Throttle lever Squeezed
Release24
Faulty Have serviced by
Yamaha dealer —
RiDE lever Squeezed Release24
Faulty Have serviced by
Yamaha dealer —
Fuel Fuel tank empty Refill as soon as pos-
sible 41
Stale or contaminat-
ed Have serviced by
Yamaha dealer
—
Fuel tank Water or dirt present Have serviced by Yamaha dealer—
Spark plug Fouled or defective Have serviced by Yamaha dealer—
Fuel injec-
tion system Fuel pump faulty Have serviced by
Yamaha dealer —
UF6C70E0.book Page 81 Wednesday, November 10, 2021 11:33 AM

Trouble recovery
82
Engine runs irregu-
larly or stallsFuel Fuel tank empty Refill as soon as pos-
sible41
Stale or contaminat-
ed Have serviced by
Yamaha dealer
—
Fuel tank Water or dirt present Have serviced by Yamaha dealer—
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 —
Electrical wir-
ing Loose connection Have serviced by
Yamaha dealer —
Fuel injec-
tion system Faulty or clogged in-
jectors Have serviced by
Yamaha dealer
—
Warning light or in-
dicator blinks or
comes on Fuel level
warning
Fuel tank empty Refill as soon as pos-
sible 41
Oil pressure
warning Oil pressure dropped Have serviced by
Yamaha dealer 34
Engine over-
heat warning Jet intake clogged Clean
84
Check en-
gine warning Faulty sensors Have serviced by
Yamaha dealer 35
TROUBLE POSSIBLE CAUSE REMEDY PAGE
UF6C70E0.book Page 82 Wednesday, November 10, 2021 11:33 AM

Trouble recovery
83
Watercraft slow or
loses powerCavitation Jet intake clogged Clean 84
Impeller damaged or
worn Have serviced by
Yamaha dealer
84
Engine over-
heat warning Engine speed reduc-
tion control activated Clean jet intake and
cool engine
34
Oil pressure
warning Engine speed reduc-
tion control activated Add oil
34
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 —
Electrical wir-
ing Loose connection Have serviced by
Yamaha dealer —
Fuel Stale or contaminat- ed Have 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
UF6C70E0.book Page 83 Wednesday, November 10, 2021 11:33 AM