Yamaha GX1800 Service Manual

Summary of GX1800

  • Page 1

    Service guide 90894-64631-02 waverunner fzr gx1800 (f3l) fzs gx1800a (f3k).

  • Page 2: Preface

    Preface this service guide has been prepared to provide yamaha dealers with information about a new model (e.G., product concept, features, technical details). The information contained in this guide is essential to yamaha dealer service staff for their daily cus- tomer service. It is our hope that ...

  • Page 3: Contents

    Contents identification number.............................................................1 primary i.D. Number .......................................................................1 engine serial number .....................................................................1 jet pump unit serial n...

  • Page 4: Identification Number

    1 identification number primary i.D. Number the primary i.D. Number is stamped on a label attached to the inside of the engine compartment. Engine serial number the engine serial number is stamped on a label attached to the engine unit. Jet pump unit serial number the jet pump unit serial number is ...

  • Page 5: Model Feature

    2 model feature model feature general feature the fzr (f3l) and fzs (f3k) have been developed based on the fzr (f2r) and fzs (f2c) and a newly designed high output, 1.8l supercharged engine and a larger jet pump are adopted. The new 6ev engine, developed based on the 6an engine, is fitted with a hig...

  • Page 6

    3 model equipment comparison table model fzr fzs total length 3.37 m (132.7 in) width 1.23 m (48.4 in) dry weight 375 kg (827 lb) 377 kg (831 lb) seats *1 2- seater 3-seater *1: the rear seats “1” and handgrips “2” for the fzr and fzs have different shape. 1 1 2 2 a b a. Fzr b. Fzs.

  • Page 7: Technical Tips

    4 technical tips technical tips engine control the ecm controls ignition timing and fuel injection with information received from the sensors and switches installed on the engine as well as utilizing the base map saved in the ecm. Part name function 1 cam position sensor detects the rotational posit...

  • Page 8

    5 13 aps detects the opening angle of the throttle lever. 14 steering sensor detects when the handlebar is turned all the way to the right or left and a load is applied. 15 reverse sensor detects the r position of the shift lever. Part name function.

  • Page 9

    6 technical tips ecm circuit diagram 35 37 50 34 36 49 72 64 79 14 5 8 59 8 4 8 3 8 5 8 6 61 60 8 1 47 39 45 8 0 7 8 52 62 70 44 42 43 41 46 67 21 3 8 20 27 7 8 26 3 16 1 8 15 23 13 25 17 40 5 1 1. Rectifier reg u lator 3. F u se (20 a) 4. Main relay 9. Remote control recei v er 5. F u se (3 a) 7. F...

  • Page 10

    7 , : indicate a connection between the symbols. 1. Rectifier regulator 2. Stator coil 3. Fuse (20 a) 4. Main relay 5. Fuse (3 a) 6. Engine start switch 7. Fuse (30 a) 8. Starter relay 9. Remote control receiver 10. Battery 11. Starter motor 12. Pickup coil 13. Cam position sensor 14. Intake air pre...

  • Page 11

    8 technical tips ecm coupler layout 20 14 15 16 17 1 8 19 8 9 10 11 12 13 21 22 23 24 25 26 1 2 3 4 5 6 7 46 40 41 42 43 44 45 34 35 36 37 3 8 39 47 4 8 49 50 51 52 27 2 8 29 30 31 32 33 7 8 79 8 0 8 1 8 2 8 3 8 4 8 5 8 6 54 55 56 57 5 8 59 60 61 70 71 72 73 74 75 62 63 64 65 66 67 76 77 6 8 69 53 2...

  • Page 12

    9 39 etv relay power source (contact) red/yellow 40 sensor ground black/orange 41 tps ground black/orange 42 tps 1 pink 43 tps 2 pink/black 44 tps power source orange 45 etv relay power source (contact) red/yellow 46 ecm ground black 47 self-diagnosis lead (communication), meter unit communi- cation...

  • Page 13

    10 technical tips engine control system item condition action remarks overheat warning con- trol • engine temperature rises rapidly in a short time. • thermo switch is on. • exhaust cooling water temperature exceeds 65 ° c (149 ° f). • opening angle of the etv is regulated. • maximum engine speed is...

  • Page 14

    11 etv failure control etv failed, or open or short circuit is detected in etv circuit. • opening angle of the etv is fixed to the default opening angle. • maximum engine speed is limited to approximately 2500 r/min. • ignition timing is con- trolled. Battery dis- connection warning battery lead is ...

  • Page 15

    12 technical tips off-throttle steering (ots) control engine speed is sus- tained at or above 3000 r/min for several seconds and then throttle lever is fully closed - simultane- ously, the steering handle is maneuvered to the point the steer- ing sensor is engaged. Slightly opens the throttle valve ...

  • Page 16

    13 self-diagnosis while the engine is running, the diagnostic codes “a” can be checked by pushing the “hour volt” but- ton “b” for approximately 8 seconds. Tip: because the multifunction meter cannot display more than 1 diagnostic code even if there are multi- ple diagnostic codes, using the ydis is...

  • Page 17

    14 technical tips *1: pickup coil *2: intake air temperature sensor *3: intake air pressure sensor *4: thermo sensor *5: reverse sensor 124, 125, 126, 127, 128 tps ○ ○ ○ 131, 132, 133, 134, 135 aps ○ ○ ○ 251 low octane fuel — — ○ code no. Item diagnostic code output multifunction meter ydis diagnosi...

  • Page 18

    15 power unit the new 6ev engine, developed based on the 6an engine, produces higher output. The engine components have been improved in strength and optimized for better functionality to handle higher output. Major changes description 1 high-performance super- charger larger diameter impeller (from...

  • Page 19

    16 technical tips jet pump unit the jet pump, jet intake and jet nozzle have been newly designed to correspond to the higher output engine. The jet pump components have been improved in strength and optimized for better functionality to handle higher output. 8 thermostat thermostat valve opening tem...

  • Page 20

    17 hull and hood the large-sized sponson that is fitted on the f2s has also been adopted on the hull of this model to improve the maneuverability. Major changes description 1 intermediate housing to correspond to the higher output engine, the type of thrust washer has been changed for better sealing...

  • Page 21

    18 technical tips lubrication system the 6ev engine features a wet-sump lubrication system. The oil cooler has been newly designed to regulate the engine temperature increase due to higher output. A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 b 1. Intake camshaft 2. Exhaust camshaft 3. Cylinder block 4. Cranks...

  • Page 22

    19 hose routing f a d e b c g d j k l i h a. From flushing hose connector b. From transom plate c. To cooling water pilot outlet on port side d. To drain joint (transom plate) e. To drain joint f. To drain joint g. To cooling water pilot outlet on starboard side h. For water draining when engine is ...

  • Page 23

    20 technical tips cooling water flow a f d b c e g a. From flushing hose connector b. From transom plate c. To cooling water pilot outlet on port side d. To drain joint e. To exhaust valve f. To cooling water pilot outlet on star- board side g. For water draining when engine is stopped.

  • Page 24: Service Information

    21 service information maintenance interval chart the following chart should be considered strictly as a guide to general maintenance intervals. Depending on the operating conditions, the maintenance intervals should be changed. Perform the pre-operation checks and post-operation checks before perfo...

  • Page 25

    22 service information *1: whichever comes first. *2: check every 200 hours. Exhaust system check for exhaust leak- age, and check hoses and clamps ○ breather hose check breather hose and clamps ○ impeller check for bends, dam- age, and foreign material ○ jet thrust nozzle check movement, and lubric...

  • Page 26: Specifications

    23 specifications model data model code hull gx1800 f3l gx1800a f3k engine 6ev jet pump 6ev dimensions length 3370 mm (132.7 in) width 1230 mm (48.4 in) height 1160 mm (45.7 in) dry weight gx1800 375 kg (827 lb) gx1800a 377 kg (831 lb) maximum people on board gx1800 2 person gx1800a 3 person maximum...

  • Page 27

    24 specifications jet pump unit jet pump type axial flow, single stage impeller rotation counterclockwise impeller diameter 160 mm (6.30 in) number of impeller blades 3 impeller pitch angle 17.0 ° transmission direct drive from engine jet thrust nozzle angle 24.0+24.0 ° trim adjusting system manual ...

  • Page 28: Wiring Diagram

    25 wiring diagram how to use the wiring diagram legend symbols in the wiring diagrams color code example: r/y: red with yellow tracer stripe wire 1 2 1. Double color wire 2. No wire connector b : black br : brown b/l : black/blue b/o : black/orange b/r : black/red b/w : black/white b/y : black/yello...

  • Page 30

    Nov. 2013 abe (e).

  • Page 31

    Aps 1 2 3 4 5 7 8 1 4 8 3 1 5 7 8 13 14 15 16 17 18 20 21 23 26 25 27 34 35 36 37 39 40 41 42 43 44 45 46 47 49 50 52 3 4 6 7 9 10 12 13 14 15 16 18 1 3 4 5 6 7 13 19 26 27 34 40 46 33 39 45 52 53 62 70 78 61 69 77 86 58 59 60 61 62 64 67 70 72 78 79 80 81 83 84 86 85 1 3 4 5 6 7 8 1 2 3 4 5 6 1 2 3...

  • Page 32

    Fzr, fz s a. To entry box b. Antenna a. F u se (30 a) (battery) b. F u se (20 a) (main and f u el p u mp relay) c. F u se (10 a) (etv relay) d. F u se (10 a) (main and f u el p u mp relay) e. F u se (3 a) (remote control receiver) f. F u se (3 a) (electric bilge p u mp).