water pump YAMAHA VX110 2005 User Guide

E
JET
PUMP
1
2
3
4
5
6
7
8
9
CHAPTER 6
JET PUMP UNIT
INTAKE GRATE AND RIDE PLATE ............................................................... 6-1
EXPLODED DIAGRAM ............................................................................. 6-1
REMOVAL AND INSTALLATION CHART ................................................ 6-1
JET PUMP UNIT .............................................................................................. 6-3
EXPLODED DIAGRAM ............................................................................. 6-3
REMOVAL AND INSTALLATION CHART ................................................ 6-3
REVERSE GATE (DELUXE MODEL ONLY) .................................................. 6-5
EXPLODED DIAGRAM ............................................................................. 6-5
REMOVAL AND INSTALLATION CHART ................................................ 6-5
JET THRUST NOZZLE, IMPELLER DUCT, AND
IMPELLER HOUSING 1 ................................................................................. 6-6
EXPLODED DIAGRAM ............................................................................. 6-6
REMOVAL AND INSTALLATION CHART ................................................ 6-6
IMPELLER DUCT AND DRIVE SHAFT .......................................................... 6-8
EXPLODED DIAGRAM ............................................................................. 6-8
REMOVAL AND INSTALLATION CHART ................................................ 6-8
SERVICE POINTS .................................................................................. 6-10
Drive shaft removal ........................................................................... 6-10
Impeller inspection ............................................................................ 6-11
Drive shaft inspection ........................................................................ 6-11
Drive shaft installation ....................................................................... 6-12
TRANSOM PLATE AND HOSES .................................................................. 6-15
EXPLODED DIAGRAM ........................................................................... 6-15
REMOVAL AND INSTALLATION CHART .............................................. 6-15
SERVICE POINTS .................................................................................. 6-17
Bilge strainer inspection .................................................................... 6-17
Bilge hose inspection ........................................................................ 6-17
Cooling water hose inspection .......................................................... 6-17
BEARING HOUSING ..................................................................................... 6-18
EXPLODED DIAGRAM ........................................................................... 6-18
REMOVAL AND INSTALLATION CHART .............................................. 6-18
SERVICE POINTS .................................................................................. 6-21
Driven coupling removal and installation........................................... 6-21
Intermediate drive shaft removal ....................................................... 6-21
Bearing removal ................................................................................ 6-22
Bearing and intermediate drive shaft inspection ............................... 6-22
Driven coupling inspection ................................................................ 6-22
Bearing and oil seals installation ....................................................... 6-23
Intermediate drive shaft installation................................................... 6-24
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6-7
E
JET
PUMP
JET THRUST NOZZLE, IMPELLER DUCT, AND
IMPELLER HOUSING 1
EXPLODED DIAGRAM
Step Procedure/Part name Q’ty Service points
10 Bolt 4
11 Water inlet cover 1
12 Packing 1
13 Water inlet strainer 1
14 Packing 1
Reverse the removal steps for installation.
10 × 125 mm
40 N • m (4.0 kgf • m, 29 ft • Ib)
6 × 35 mm
6.6 N • m (0.66 kgf • m, 4.8 ft • Ib)
10
11 12 13 14
9 97
LT
572
LT
LT
572
LT
LT
572
LT
8
10 × 125 mm
40 N • m (4.0 kgf • m, 29 ft • Ib)
1
23
4
4
6 5
8 × 20 mm
15 N • m (1.5 kgf • m, 11 ft • Ib)
LT
271
AA
1104J
1104J
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6-15
E
JET
PUMPTRANSOM PLATE AND HOSES
TRANSOM PLATE AND HOSES
EXPLODED DIAGRAM
REMOVAL AND INSTALLATION CHART
Step Procedure/Part name Q’ty Service points
TRANSOM PLATE AND HOSES
REMOVALFollow the left “Step” for removal.
Exhaust system Refer to “EXHAUST SYSTEM” in Chapter 8.
Jet pump unit assembly Refer to “JET PUMP UNIT”.
1 Hose clamp 2
2 Cooling water hose 1 Cooling water outlet (cylinder head)
3 Bilge hose 1 1
4 Hose clamp 1
5 Cooling water hose 1 Cooling water inlet
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6-17
E
JET
PUMPTRANSOM PLATE AND HOSES
SERVICE POINTS
Bilge strainer inspection
Refer to “JET PUMP UNIT” in
Chapter 3.
Bilge hose inspection
1. Inspect:
Bilge hoses
Cracks/damage/wear →
Replace.
Cooling water hose inspection
1. Inspect:
Cooling water hoses
Cracks/damage/wear →
Replace.
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7-51
E
–+ELECINDICATION SYSTEM
OIL PRESSURE SWITCH
1. Measure:
Oil pressure switch continuity
Out of specification → Replace.
Lower unit pressure/vacuum
tester:
YB-35956-A
Vacuum/pressure pump gauge
set:
90890-06756
Oil pressure switch continuity
pressure:
128 kPa (1.28 kgf/cm
2, 18.6 psi) –
167 kPa (1.67 kgf/cm2, 24.2 psi)
MULTIFUNCTION METER
Multifunction meter
1. Check:
Multifunction meter
Cracked meter housing → Replace the
multifunction meter.
Meter is fogged/shows signs of water
intrusion → Replace the multifunction
meter.
MULTIFUNCTION METER REMOVAL
Refer to “ENGINE HATCH COVER” in
Chapter 8.
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8-31
E
HULL
HOODEXHAUST SYSTEM
EXHAUST SYSTEM
EXPLODED DIAGRAM
REMOVAL AND INSTALLATION CHART
Step Procedure/Part name Q’ty Service points
EXHAUST SYSTEM REMOVAL
Follow the left “Step” for removal.
Deck beam Refer to “SEAT AND HAND GRIP”.
Jet pump unit assembly Refer to “JET PUMP UNIT” in Chapter 6.
NOTE:
When removing the water lock and exhaust
joint, it is not necessary to remove the jet
pump unit.
1 Band 1
2 Joint clamp 1 1
3 Hose clamp 1 1
4 Water lock 1
3
1 2
6
7
9
85
4 14
13
15 1817
12
1116
10
F1K3.7 N • m (0.37 kgf • m, 2.7 ft • Ib)
5.4 N • m (0.54 kgf • m, 3.9 ft • Ib)
3.7 N • m (0.37 kgf • m, 2.7 ft • Ib)
3.7 N • m (0.37 kgf • m, 2.7 ft • Ib)
2nd 2.4 N • m (0.24 kgf • m, 1.7 ft • Ib) 1st 2.4 N • m (0.24 kgf • m, 1.7 ft • Ib)
2nd 2.4 N • m (0.24 kgf • m, 1.7 ft • Ib) 1st 2.4 N • m (0.24 kgf • m, 1.7 ft • Ib)
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9-5
E
TRBL
ANLS
TROUBLE ANALYSIS
POWER UNIT
Compression 5
Cylinder head gaskets 5
Cylinder block 5
Crankcase 5
Piston rings 5
Pistons 5
Bearings 5
Valve(s) and valve seat(s) 5
Valve clearance adjusting
pad(s)3
Camshaft(s) 5
Timing chain 5
Oil pump 5
Engine oil 3
Oil filter 3
Oil pressure switch 7
Bearing housing 5
Drive couplings 5
Rubber coupling 5
Pilot water hose 5
Water hose 5
Water passage 5 Trouble mode Check elements
ENGINE WILL NOT START
HARD STARTING
ROUGH IDLING
HIGH IDLING
ENGINE STALLS
POOR ACCELERATION
ENGINE WILL NOT STOP
POOR PERFORMANCE
LIMITED ENGINE SPEED
OVERHEATING
LOW OIL PRESSURE
LOOSE STEERING
BILGE INCREASE
IRREGULAR WARNING INDICATION
POOR BATTERY CHARGING
Relative partReference
chapter
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9-6
E
TRBL
ANLS
TROUBLE ANALYSIS
JET PUMP UNIT
Duct 6
Impeller 6
Intake grate 6
Bearings 6
Water inlet hose 6
Bilge hose 6
Bilge strainer 3
Bilge hose joint 6
ELECTRICAL
Ignition system, fuel control system
Pickup coils 7
ECM 7
Ignition coils 7
Slant detection switch 7
Engine stop switch 7
Engine shut-off switch 7
Spark plugs 3
Main and fuel pump relay 7
Electronic control throttle
valve relay7
Thermoswitch 7
Sensor assembly 7
Engine temperature
sensor7
Throttle body assembly
(throttle position sensor)7
Accelerator position
sensor7
Cam position sensor 7 Trouble mode Check elements
ENGINE WILL NOT START
HARD STARTING
ROUGH IDLING
HIGH IDLING
ENGINE STALLS
POOR ACCELERATION
ENGINE WILL NOT STOP
POOR PERFORMANCE
LIMITED ENGINE SPEED
OVERHEATING
LOW OIL PRESSURE
LOOSE STEERING
BILGE INCREASE
IRREGULAR WARNING INDICATION
POOR BATTERY CHARGING
Relative partReference
chapter
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