Yamaha Waverunner 3 Manual
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4-2 EFUELFUEL TANK AND FUEL PUMP MODULE EXPLODED DIAGRAM Step Procedure/Part name Q’ty Service points 4 Fuel tank breather hose 1 NOTE: Make sure that the inner seal of the coupler is installed properly before connecting the coupler. 5 Fuel sender coupler 1 6 Fuel pump module coupler 1 7 Cover 1 8 Fuel hose 1 9Nut 9 10 Retainer 1 11 Fuel pump module 1 12 Packing 1 1.3 N • m (0.13 kgf • m, 0.9 ft • Ib) 8 × 18 mm 16 N • m (1.6 kgf • m, 11 ft • Ib) 5.9 N • m (0.59 kgf • m, 4.3 ft • Ib) 4.2 N • m (0.42 kgf • m, 3.0 ft • Ib) 17 18 163 2 2 17 10 9 4 5 118 19 20 22 23 2114 12 14 LT 572 LT 572 LT 572 LT 572 2nd 6.4 N • m (0.64 kgf • m, 4.6 ft • Ib) 1st 3.2 N • m (0.32 kgf • m, 2.3 ft • Ib) 15 136
4-3 EFUELFUEL TANK AND FUEL PUMP MODULE EXPLODED DIAGRAM Step Procedure/Part name Q’ty Service points 13 Fuel sender assembly 1 14 Hose clamp 2 15 Fuel filler hose 1 16 Nut 1 17 Fuel filler neck 1 18 Rubber seal 1 19 Bolt 2 20 Fuel tank assembly 1 21 Strainer 1 22 Bolt 2 23 Fuel tank belt 2 Reverse the removal steps for installation. 1.3 N • m (0.13 kgf • m, 0.9 ft • Ib) 8 × 18 mm 16 N • m (1.6 kgf • m, 11 ft • Ib) 5.9 N • m (0.59 kgf • m, 4.3 ft • Ib) 4.2 N • m (0.42 kgf • m, 3.0 ft • Ib) 17 18 163 2 2 17 10 9 4 5 118 19 20 22 23 2114 12 14 LT 572 LT 572 LT 572 LT 572 2nd 6.4 N • m (0.64 kgf • m, 4.6 ft • Ib) 1st 3.2 N • m (0.32 kgf • m, 2.3 ft • Ib) 15 136
4-4 EFUELFUEL TANK AND FUEL PUMP MODULE SERVICE POINTS Fuel hose disconnection 1. Disconnect: Fuel hose Refer to “FUEL INJECTION SYSTEM”. Fuel pump module removal 1. Remove: Nuts Retainer NOTE: Loosen the nuts in the sequence shown.1 4 9 6 238 7 5 2. Remove: Fuel pump module 1 NOTE: Remove the float 2 at an angle because it could catch on the fuel tank.21 Fuel sender disassembly 1. Disconnect: Fuel sender coupler 2. Remove: Retainer 1 NOTE: Push the tabs in direction of arrows a and slide the retainer 1 in direction of arrow b. 1 a b a 3. Remove: Fuel sender NOTE: Push the tabs a and remove the fuel level sender 2 in the direction of the arrow b. 2a a b
4-5 EFUELFUEL TANK AND FUEL PUMP MODULE Check valve inspection 1. Check: Check valve Faulty → Replace. Checking steps: Connect a hose to the end of check valve “A” and blow into it. Air should come out from end “B”. Connect the hose to the end of check valve “B” and blow into it. Air should not come out from end “A”. A AB B Rollover valve inspection 1. Check: Rollover valve Faulty → Replace. Fuel level sender inspection Refer to “FUEL CONTROL SYSTEM” in Chapter 7. Fuel tank inspection 1. Inspect: Fuel tank Cracks/damage → Replace. Fuel hose inspection Refer to “FUEL INJECTION SYSTEM”. Checking steps: Connect a hose to the end of rollover valve “A” and blow into it. Air should come out from end “B”. Connect the hose to the end of rollover valve “B” and blow into it. Air should not come out from end “A”. A B AB
4-6 EFUELFUEL TANK AND FUEL PUMP MODULE Fuel pump filter inspection 1. Inspect: Fuel pump filter 1 Clog/contaminants → Wash the fuel pump filter in kerosene or gasoline. 1 Fuel strainer inspection 1. Inspect: Fuel strainer Clog/contaminants → Clean. Fuel pump module installation 1. Tighten: Nuts NOTE: Tighten the nuts in the sequence shown. Fuel hose connect Refer to “FUEL INJECTION SYSTEM”. T R.. Fuel pump module nut: 1st: 3.2 N m (0.32 kgf m, 2.3 ft lb) 2nd: 6.4 N m (0.64 kgf m, 4.6 ft lb) 9 6 1 4 872 3 5
4-7 EFUELFUEL INJECTION SYSTEM FUEL INJECTION SYSTEM EXPLODED DIAGRAM REMOVAL AND INSTALLATION CHART Step Procedure/Part name Q’ty Service points THROTTLE BODIES REMOVAL Follow the left “Step” for removal. 1Screw 2 2 Air filter case cover 1 3 Air filter 1 4Bolt 4 5 Flame arrester 1 NOTE: When removing the flame arrester, slide the springs off. 6Spring 4 AA LT 572 LT LT 572 LT LT 572 LT LT 242 LT E 1 4 5 6 16 22 18 2020 19 21 7 8 9 15 14 12 13 11 32 6 × 7 mm 2nd 6.5 N • m (0.65 kgf • m, 4.7 ft • Ib) 1st 3.3 N • m (0.33 kgf • m, 2.4 ft • Ib) 8 × 50 mm 2nd 22 N • m (2.2 kgf • m, 16 ft • Ib) 1st 11 N • m (1.1 kgf • m, 8.0 ft • Ib) 4 × 8 mm 2nd 3.3 N • m (0.33 kgf • m, 2.4 ft • Ib) 1st 1.7 N • m (0.17 kgf • m, 1.2 ft • Ib) 5 × 70 mm 2.5 N • m (0.25 kgf • m, 1.8 ft • Ib) 6 × 14 mm 2nd 7.6 N • m (0.76 kgf • m, 5.5 ft • Ib) 1st 3.8 N • m (0.38 kgf • m, 2.7 ft • Ib) 17 10
4-8 EFUELFUEL INJECTION SYSTEM EXPLODED DIAGRAM Step Procedure/Part name Q’ty Service points 7 Throttle cable 1 8Bolt 2 9 Throttle cable holder 1 10 Cover 1 11 Fuel hose 1 12 Bolt 2 13 Fuel hose holder 1 14 Clamp 1 15 Clamp 1 16 Bolt 8 AA LT 572 LT LT 572 LT LT 572 LT LT 242 LT E 1 4 5 6 16 22 18 2020 19 21 7 8 9 15 14 12 13 11 32 6 × 7 mm 2nd 6.5 N • m (0.65 kgf • m, 4.7 ft • Ib) 1st 3.3 N • m (0.33 kgf • m, 2.4 ft • Ib) 8 × 50 mm 2nd 22 N • m (2.2 kgf • m, 16 ft • Ib) 1st 11 N • m (1.1 kgf • m, 8.0 ft • Ib) 4 × 8 mm 2nd 3.3 N • m (0.33 kgf • m, 2.4 ft • Ib) 1st 1.7 N • m (0.17 kgf • m, 1.2 ft • Ib) 5 × 70 mm 2.5 N • m (0.25 kgf • m, 1.8 ft • Ib) 6 × 14 mm 2nd 7.6 N • m (0.76 kgf • m, 5.5 ft • Ib) 1st 3.8 N • m (0.38 kgf • m, 2.7 ft • Ib) 17 10 Not reusable
4-9 EFUELFUEL INJECTION SYSTEM EXPLODED DIAGRAM Step Procedure/Part name Q’ty Service points 17 Throttle bodies 1 18 Intake air pressure sensor coupler 1 19 Intake air temperature sensor coupler1 20 Fuel injector coupler 4 21 Throttle position sensor coupler 1 22 Joint connector 2 Reverse the removal steps for installation. AA LT 572 LT LT 572 LT LT 572 LT LT 242 LT E 1 4 5 6 16 22 18 2020 19 21 7 8 9 15 14 12 13 11 32 6 × 7 mm 2nd 6.5 N • m (0.65 kgf • m, 4.7 ft • Ib) 1st 3.3 N • m (0.33 kgf • m, 2.4 ft • Ib) 8 × 50 mm 2nd 22 N • m (2.2 kgf • m, 16 ft • Ib) 1st 11 N • m (1.1 kgf • m, 8.0 ft • Ib) 4 × 8 mm 2nd 3.3 N • m (0.33 kgf • m, 2.4 ft • Ib) 1st 1.7 N • m (0.17 kgf • m, 1.2 ft • Ib) 5 × 70 mm 2.5 N • m (0.25 kgf • m, 1.8 ft • Ib) 6 × 14 mm 2nd 7.6 N • m (0.76 kgf • m, 5.5 ft • Ib) 1st 3.8 N • m (0.38 kgf • m, 2.7 ft • Ib) 17 10
4-10 EFUELFUEL INJECTION SYSTEM EXPLODED DIAGRAM REMOVAL AND INSTALLATION CHART Step Procedure/Part name Q’ty Service points AIR FILTER CASE REMOVAL Follow the left “Step” for removal. Throttle bodies 1 Clamp/breather hose 1/1 2 Band 1 Unfasten the wire harness. 3 Lighting coil coupler 1 From wire harness bracket 2 4 Thermoswitch coupler (engine) 1 From wire harness bracket 2 5 Pulser coil coupler 1 From wire harness bracket 2 6 Thermoswitch coupler (exhaust) 1 From wire harness bracket 1 7 Camshaft position sensor coupler 1 From wire harness bracket 1 3165 15 14 2423 25 10 18 1797 6 13 12 8 11 22 21 4 1920LT 271 LT 242 LT 271 12 LT 572 LT LT 242 8 × 35 mm 2nd 18 N • m (1.8 kgf • m, 13 ft • Ib) 1st 8.8 N • m (0.88 kgf • m, 6.4 ft • Ib) 6 × 16 mm 2nd 7.6 N • m (0.76 kgf • m, 5.5 ft • Ib) 1st 3.8 N • m (0.38 kgf • m, 2.7 ft • Ib) 6 × 16 mm 2nd 7.6 N • m (0.76 kgf • m, 5.5 ft • Ib) 1st 3.8 N • m (0.38 kgf • m, 2.7 ft • Ib) 1.8 N • m (0.18 kgf • m, 1.3 ft • Ib) 5 × 14 mm 2.5 N • m (0.25 kgf • m, 1.8 ft • Ib) 5 × 14 mm 3.4 N • m (0.34 kgf • m, 2.5 ft • Ib) 5 × 14 mm 8 × 16 mm 2nd 39 N • m (3.9 kgf • m, 28 ft • Ib) 1st 15 N • m (1.5 kgf • m, 11 ft • Ib) 8 × 16 mm 2nd 39 N • m (3.9 kgf • m, 28 ft • Ib) 1st 15 N • m (1.5 kgf • m, 11 ft • Ib) 9 LT 572 LT
4-11 EFUELFUEL INJECTION SYSTEM EXPLODED DIAGRAM Step Procedure/Part name Q’ty Service points 8 Wire harness coupler 1 9Bolt 3 10 Air filter case 1 11 Bolt 2 12 Wire harness bracket 1 1 13 Sub wire harness 1 14 Bolt 2 15 Fuel hose bracket 1 16 Screw 1 17 Wire harness bracket 2 1 3165 15 14 2423 25 10 18 1797 6 13 12 8 11 22 21 4 1920LT 271 LT 242 LT 271 12 LT 572 LT LT 242 8 × 35 mm 2nd 18 N • m (1.8 kgf • m, 13 ft • Ib) 1st 8.8 N • m (0.88 kgf • m, 6.4 ft • Ib) 6 × 16 mm 2nd 7.6 N • m (0.76 kgf • m, 5.5 ft • Ib) 1st 3.8 N • m (0.38 kgf • m, 2.7 ft • Ib) 6 × 16 mm 2nd 7.6 N • m (0.76 kgf • m, 5.5 ft • Ib) 1st 3.8 N • m (0.38 kgf • m, 2.7 ft • Ib) 1.8 N • m (0.18 kgf • m, 1.3 ft • Ib) 5 × 14 mm 2.5 N • m (0.25 kgf • m, 1.8 ft • Ib) 5 × 14 mm 3.4 N • m (0.34 kgf • m, 2.5 ft • Ib) 5 × 14 mm 8 × 16 mm 2nd 39 N • m (3.9 kgf • m, 28 ft • Ib) 1st 15 N • m (1.5 kgf • m, 11 ft • Ib) 8 × 16 mm 2nd 39 N • m (3.9 kgf • m, 28 ft • Ib) 1st 15 N • m (1.5 kgf • m, 11 ft • Ib) 9 LT 572 LT