Page 6 of 347

E
A50001-1-4
SYMBOLS
Symbols 1 to 9 are designed to indicate the
content of a chapter.
1General Information
2Specifications
3Periodic Inspection and Adjustment
4Fuel System
5Power Unit
6Jet Pump Unit
7Electrical System
8Hull and Hood
9Trouble Analysis
Symbols 0 to E indicate specific data.
0Special service tool
ASpecified oil or fluid
BSpecified engine speed
CSpecified tightening torque
DSpecified measurement
ESpecified electrical value
(resistance, voltage, electric current)
Symbols F to I in an exploded diagram indi-
cate the grade of lubricant and the lubrication
point.
FApply Yamaha 4-stroke motor oil
GApply water resistant grease
(Yamaha grease A, Yamaha marine grease)
HApply ThreeBond 1104J or ThreeBond 1280B
IApply molybdenum disulfide grease
Symbols J to N in an exploded diagram indi-
cate the type of sealant or locking agent and
the application point.
JApply Gasket Maker
KApply LOCTITE 271 (red)
LApply LOCTITE 242 (blue)
MApply LOCTITE 572
NApply silicone sealant
NOTE:
Additional symbols may be used in this man-
ual.
12
34
56
78
90
AB
CD
EF
GH
IJ
KL
MN
GEN
INFOSPEC
INSP
ADJFUEL
POWRJET
PUMP
–+ELECHULL
HOOD
TRBL
ANLS
T R..
E
A1280B1104J
MGM
271
LT
242
LT
572
LTSS
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Page 23 of 347
2-2
ESPEC
PON*: Pump Octane Number = (Motor Octane Number + Research Octane Number)/2
RON*: Research Octane NumberFuel and oil
Fuel type Regular unleaded gasoline
Minimum fuel rating PON* 86
RON* 90
Fuel tank capacity L
(US gal, Imp gal)60 (15.9, 13.2)
Engine oil type 4-stroke motor oil
Engine oil grade API SE, SF, SG, SH, SJ, SL
SAE 10W-30, 20W-40, 20W-50
Engine oil quantity L
(US qt, Imp qt)4.3 (4.5, 3.8)
(without oil filter replacement) L
(US qt, Imp qt)2.0 (2.1, 1.8)
(with oil filter replacement) L
(US qt, Imp qt)2.2 (2.3, 1.9) Item UnitModel
VX110 Sport VX110 Deluxe
GENERAL SPECIFICATIONS
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Page 26 of 347

2-5
ESPECMAINTENANCE SPECIFICATIONS
Piston pins
Outside diameter mm (in) 16.991–17.000 (0.6689–0.6693)
Wear limit mm (in) 16.986 (0.6687)
Piston ring
Top ring
Type Barrel
Dimension (B ×
T) mm (in) 0.90 ×
2.75 (0.04 ×
0.11)
End gap (installed) mm (in) 0.32–0.44 (0.0126–0.0173)
Ring groove clearance mm (in) 0.030–0.065 (0.0012–0.0026)
2nd ring
Type Taper
Dimensions (B ×
T) mm (in) 0.80 ×
2.80 (0.03 ×
0.11)
End gap (installed) mm (in) 0.43–0.58 (0.0169–0.0228)
Ring groove clearance mm (in) 0.020–0.055 (0.0008–0.0022)
Oil ring
Dimensions
(B ×
T)mm (in) 1.50 ×
2.60 (0.06 ×
0.10)
End gap (installed) mm (in) 0.10–0.35 (0.0039–0.0138)
Ring groove clearance mm (in) 0.040–0.160 (0.0016–0.0063)
Connecting rod
Big end oil clearance mm (in) 0.016–0.040 (0.0006–0.0016)
Bearing color code 1. Brown 2. Black 3. Blue 4. Green
Small end inside diameter mm (in) 17.005–17.018 (0.6695–0.6700)
Crankshaft
Crank width A mm (in) 304.8–306.0 (12.00–12.05)
Deflection limit B mm (in) 0.03 (0.0012)
Crankshaft journal oil clearance mm (in) 0.004–0.028 (0.0002–0.0011)
Bearing color code 3. Red/Red 4. Red/Brown 5. Red/Black
6. Red/Blue 7. Red/Green
Throttle body
Type/quantity IM-230/1
Manufacturer Mikuni
ID mark 6D300
Trolling speed r/min 1,550–1,750 Item UnitModel
VX110 Sport VX110 Deluxe
T
B
B
T
B
T
BBB
A
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Page 27 of 347
2-6
ESPECMAINTENANCE SPECIFICATIONS
JET PUMP UNIT
HULL AND HOOD
Fuel pump
Pump type Electrical
Fuel pressure kPa
(kgf/cm
2, psi)320–327 (3.2–3.3, 46–47)
Oil filter
Oil filter type Cartridge type
Oil pump
Oil pump type Trochoid
Rotor tip clearance
(scavenge pump)mm (in) 0.09–0.15 (0.0035–0.0059)
Oil pump housing clearance
Rotor (feed pump) mm (in) 0.09–0.17 (0.0035–0.0067)
Rotor (scavenge pump) mm (in) 0.09–0.15 (0.0035–0.0059)
Item UnitModel
VX110 Sport VX110 Deluxe
Jet pump
Impeller material Stainless steel
Number of impeller blades 3
Impeller pitch angle Degree 21.2
Impeller clearance mm (in) 0.35–0.45 (0.0138–0.0177)
Impeller clearance limit mm (in) 0.6 (0.0236)
Drive shaft runout limit mm (in) 0.3 (0.0118)
Item UnitModel
VX110 Sport VX110 Deluxe
Free play
Throttle lever free play mm (in) 4–7 (0.16–0.28) Item UnitModel
VX110 Sport VX110 Deluxe
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Page 28 of 347
2-7
ESPECMAINTENANCE SPECIFICATIONS
ELECTRICAL
Item UnitModel
VX110 Sport VX110 Deluxe
Battery
Type Fluid
Capacity V/Ah 12/19
Specific gravity 1.28
ECM unit
(B/R – R/Y, B/W – R/Y,
B/Y – R/Y, B/G – R/Y)
Output peak voltage lower limit
@cranking (loaded) V 90
@2,000 r/min (loaded) V 130
@3,500 r/min (loaded) V 140
Stator
Pickup coil (W/B – B/O)
Output peak voltage
@cranking (unloaded) V 8.0
@cranking (loaded) V 6.9
@2,000 r/min (loaded) V 19.4
@3,500 r/min (loaded) V 25.1
Lighting coil (G – G)
Output peak voltage
@cranking (unloaded) V 7.8
@2,000 r/min (unloaded) V 24.5
@3,500 r/min (unloaded) V 41.6
Pickup coil resistance
(W/B – B/O)Ω
(color) 459–561
Lighting coil resistance (G – G)Ω
(color) 0.23–0.29
Minimum charging current A @ r/min 14 @ 6,000
Ignition coil
Primary coil resistance
@20 °C (68 °F)Ω
1.19–1.61
Secondary coil resistance
@20 °C (68 °F) kΩ
8.5–11.5
Rectifier/regulator (R – B)
Output peak voltage
@3,500 r/min (unloaded) V 13.0
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3-16
E
INSP
ADJ
POWER UNIT
Remove the oil tank filler cap again and
check that the oil level is between the
minimum level mark a
and maximum
level mark b
on the dipstick.
If the engine oil is below the minimum
level mark b
, add sufficient oil of the rec-
ommended type to raise it to the correct
level.
If the engine oil is above the maximum
level mark a
, extract sufficient oil using
an oil changer to lower it to the correct
level.
NOTE:
If the oil temperature is low, the reading on
the dipstick will be low, and if the tempera-
ture is high, the reading on the dipstick will
be high.
Engine oil change — using oil changer
WARNING
Avoid changing the engine oil immediately
after turning the engine off. The oil is hot
and should be handled with care to avoid
burns.
CAUTION:
Do not run the engine with too much or
not enough oil in the oil tank. Oil could
spray out or the engine could be dam-
aged.
Do not run the engine for more than 15
seconds without supplying water, when
checking the oil level on land.
The engine could overheat.
Be sure to change the engine oil after the
first 10 hours of operation, and every 100
hours thereafter or at the start of a new
season, otherwise the engine will wear
quickly.
1. Warm the engine up, and then put the
watercraft in a horizontal position.
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