Name: SeaDoo GTI
Brand: SeaDoo
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Section 06 ENGINE MANAGEMENT (RFI)

Subsection 01 (OVERVIEW)

Intake air

pressure

Crankshaft

Position

Sensor (CPS)

Crankshaft

position and

engine speed

Throttle valve

position (Idle to

wide open throttle)

Engine

temperature

Intake air

temperature

Battery

voltage

Start/stop

signal

Air Pressure

Sensor

(APS)

Water

Temperature

Sensor (WTS)

Air

Temperature

Sensor (ATS)

Fuel tank

Fuel filter

Fuel pump

Regulator

Injectors

Multi-Purpose Electronic Module

(MPEM)

Electronic Control Unit

(ECU)

PARAMETERS

SENSORS

FUEL

DELIVERY

Throttle

Position

Sensor (TPS)

To engine

F07F0NS

SIGNAL MANAGEMENT

smr2004-Complete Line Up 301

www.SeaDooManuals.net

Default Chapter4
- Table of Contents4
Safety Notice15
Introduction16
- Hull Identification Number (H.I.n.)16
- Engine Identification Number (E.I.n.)17
- Arrangement of this Manual18
- List of Abbreviations Used in this Manual21
- General Information21
- Illustrations and Procedures22
- Engine Emissions Information22
- Self-Locking Fasteners Procedure23
- Loctite Application Procedure23
- Threadlocker23
- Stripped Thread Repair24
- Gasket Compound25
- Mounting on Shaft25
- Case-In Components26
- Tightening Torques27
Service Tools and Products28
- Mandatory Service Tools28
- Optional Service Tools36
- Service Products43
Maintenance47
- Periodic Inspection Chart47
- Flushing and Lubrication53
- Water-Flooded Engine59
  - General59
  - Procedure59
- Storage65
Troubleshooting75
- Troubleshooting Chart75
- Engine will Not Start75
- Engine Hard to Start78
- Engine Starts but Runs Only at Idle Speed78
- Engine Misfires, Runs Irregularly79
- Engine Continually Backfires81
- Engine Detonation or Pinging81
- Engine Lacks Acceleration or Power82
- Engine Stops Running83
- Engine Cannot Reach Maximum Rpm83
- Engine Runs too Fast (Vehicle Cannot Reach Its Top Speed)84
- Engine Overheats84
- System Faults (Gtx 4-Tec Models)85
- Engine Smoke in the Exhaust (4-Tec Series)85
- Low or no Engine Oil Pressure (4-Tec Series)86
- Engine Oil Contamination (Milky) (4-Tec Series)86
- Unusual Engine Noise And/Or Vibration (4-Tec Series)87
- Abnormal Noise from Propulsion System87
Engine (2-Stroke)88
- Leak Test88
- Removal and Installation96
- Magneto System107
- Top End122
- Bottom End151
- Rotary Valve175
- Exhaust System186
Engine (4-Tec)202
- Leak Test202
  - Leak Test Procedure202
  - Leak Test Procedure for Intercooler205
- Intake System206
- Exhaust System229
- Removal and Installation236
- Pto Housing/Magneto243
- Lubrication System253
- Cylinder Head and Valves272
- Engine Block289
Engine Management (Rfi)312
- Overview312
- Diagnostic Procedures317
- Component Inspection321
- Troubleshooting Summary332
- Adjustment334
  - Throttle Cable Adjustment334
  - Throttle Position Sensor (Tps)334
    - Closed Tps334
    - Idle Speed334
- Removal and Installation335
Engine Management (DI)338
- Overview338
- Component Inspection and Adjustment346
- Diagnostic Procedures387
Engine Management (4-Tec)400
- Overview400
- Component Inspection and Adjustment412
- Diagnostic Procedures448
Cooling System475
- Circuit, Components and Care475
- Circuit481
- Components484
- Care488
- Circuit496
- Cooling System Leak Test496
- Inspection498
- Draining the System498
- Cleaning498
- Coolant Replacement499
- Coolant Pump Housing500
- Thermostat501
- Coolant Pump Impeller502
- Rotary Seal502
- Care504
Fuel System507
- Fuel Circuit507
- Air Intake (2-Stroke)519
- Carburetor526
Lubrication System (2-Stroke)535
- Oil Injection System535
  - General537
  - Oil System Pressurization537
- Oil Injection Pump538
Electrical System547
- Ignition System547
- Charging System562
  - General562
  - Testing Procedure565
- Starting System577
- Instruments and Accessories592
- Dess (Carbureted and Rfi Engines)610
  - General610
  - Dess Key Programming612
Propulsion615
- Jet Pump615
- Drive System653
- Variable Trim System679
Steering System685
- 1 Steeringsystem687
- Alignment709
Suspension711
- Direct Action Suspension711
- Removal712
- Inspection713
- Assembly714
Hull/Body715
- Adjustment and Repair715
- General733
- Glove Box733
- Engine Cover735
- Seat Adjustment736
- Storage Compartment Inner Shell737
- Storage Cover Shock744
- Storage Compartment Cover Adjustment745
- Access Panel Adjustment746
- Mirror746
- Info Center (Lcd Gauge)747
- Deflector And/Or Upper Grid747
- Finition Plate748
- Inlet Grate748
- Riding Plate749
- Jet Pump Support750
- Drain Plug Installation751
- Seat Removal752
- Seat Cover Replacement753
- Bumper Replacement753
- Wake Pylon754
- Sponson Replacement756
- Engine Compartment Cover Removal756
- Decals Replacement757
- Hull and Body Repair758
- Tools and Materials List760
- Thru-Hull Fitting Installation761
Technical Data762
- Gti and Gti Le Models762
- Gti Rfi and Gti Le Rfi Models765
- Xp DI Model768
- Rxp 4-Tec Models772
- Gtx 4-Tec Models778
Wiring Diagram784
Wiring Diagrams784
- Wire Color Codes784
- Wire Digit Codes784
- Deutsch Connectors784
- Packard Connector787
- Amp Plug Connector787
- Identification of Connector Pins790
- Ecm Connectors791
- Main Fuse Holder Joint Connector794

Seating Capacity	3
Manufacturer	Sea-Doo
Fuel Type	Gasoline
Fuel Capacity	15.9 gallons
Type	Recreational

SeaDoo GTI User Manual

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SeaDoo GTI Specifications

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