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Section05FUELSYSTEM

Subsection 01 (CARBURETOR)

Mikuni BN-40i

Loctite

243

Loctite

243

10

19

17

15

18

3

16

13

14

4

8

7

20

9

6

5

20 Nm

(15 lbfft)

Synthetic

grease

1

2

smr2005-052-001_aen

86 smr2005-052

www.SeaDooManuals.net

Table of Contents

Default Chapter4
- Table of Contents4
Safety Notice11
Introduction12
- General Information12
- Arrangement of this Manual, Illustrations and Procedures13
- List of Abbreviations Used in this Manual16
- Engine Emissions Information16
- Self-Locking Fasteners Procedure17
- Loctite ® Application Procedure17
- Tightening Torques20
Maintenance22
- Maintenance Chart22
- Preseason Preparation26
- Storage Procedures28
- Special Procedures40
Troubleshooting45
- Troubleshooting Chart45
- Engine will Not Start45
- Engine Hard to Start48
- Engine Starts but Runs Only at Idle Speed48
- Engine Starts but Runs Only on One Cylinder (Rfi Models)48
- Engine Runs on both Cylinders at Idle after Engine Is Warm-Up (Rfi Models)49
- Engine Misfires, Runs Irregularly49
- Engine Continually Backfires51
- Engine Detonation or Pinging51
- Engine Lacks Acceleration or Power52
- Engine Stops Running53
- Engine Cannot Reach Maximum Rpm53
- Engine Overheats54
- Vehicle Cannot Reach Its Top Speed54
- O.t.a.s. System Faults54
- Abnormal Noise from Propulsion System55
- Steering Pole Is Heavier than Usual (3D Series)55
- Steering Pole Is Stiffer than Usual (3D Series)55
Engine System56
- Air Intake System56
  - General59
    - Removal59
    - Assembly59
- Exhaust System61
  - Gti Series62
  - 3D Series69
- Removal and Installation76
  - General76
  - Procedures76
Lubrication System88
- Oil Injection System88
- Oil Injection Pump93
Fuel System101
- Carburetor101
- Fuel Tank and Fuel Pump111
Engine Management (Rfi)124
- Overview124
- Diagnostic Procedures132
- Component Adjustment, Inspection and Replacement139
Electrical System158
- Ignition System158
- 717 Engine158
- General158
- Adjustment159
  - Ignition Timing159
- Testing Procedures163
- 787 Rfi Engine166
- General167
- Adjustment168
  - Ignition Timing168
- Testing Procedures172
Charging System178
- 717 Engine178
- General178
- Testing Procedures180
- 787 Rfi Engine182
- General183
- Testing Procedures184
Starting System193
- Electric Starter Exploded View194
- Starting System Electrical Diagram196
- Starting System Troubleshooting Chart197
- General198
- Testing Procedures198
- Removal202
- Disassembly202
- Cleaning202
- Inspection202
- Assembly203
- Installation205
- Starter Specification206
Instruments and Accessories207
- General207
- Testing Procedures212
Digitally Encoded Security System (Dess)224
- General224
  - Self-Diagnostic Mode225
  - Dess Key Programming226
Cooling System230
- Components and Circuit230
- Circuit237
- Components239
Propulsion244
- Jet Pump244
- Drive System262
  - Gti Series263
  - 3D Series269
- Reverse System278
- Variable Trim System284
Steering System288
- 1 Steeringsystem289
- Gti Series289
Off-Power Assisted Steering (Opas)315
- General317
- Procedures317
Off-Throttle Assisted Steering (O.t.a.s.)321
- General321
- Testing Procedures321
- Adjustment322
11 Hull/Body325
Gti Series325
- General330
- Procedures330
3D Series343
- General349
- Procedures349
Technical Specifications362
- Gti Models362
- Gti Rfi and Gti Rfi Le Models364
- 3D Rfi Model366
Electrical Connectors and Wiring Diagrams369
- Electrical Connectors369
- Wiring Diagrams382
  - Wire Color Codes382
  - Wire Digit Codes382

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