Yamaha Waverunner 3 Manual
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Page 31
2-10 ESPECTIGHTENING TORQUES Engine Engine unit – engine mount Bolt M8 4 17 1.7 12 271LT Oil filter——117 1.7 12 Coupling cover Bolt M6 1 7.8 0.78 5.6 572LT Thermoswitch (exhaust) – exhaust pipe 3Bolt M6 2 7.6 0.76 5.5572LT Outer exhaust joint clamp – exhaust pipe 3/exhaust pipe 21st ——24.4 0.44 3.2 2nd 4.4 0.44 3.2 Inner exhaust joint clamp – exhaust pipe 3/exhaust pipe 21st ——24.4 0.44 3.2 2nd 4.4 0.44 3.2 Exhaust pipe 3 – crankcase1st Bolt M10 12.0 0.2 1.4 242LT5th 15 1.5 11 9th 39 3.9 28 2nd...
Page 32
2-11 ESPECTIGHTENING TORQUES Exhaust manifold 1 – cylinder head1st Bolt M8 622 2.2 16242LT2nd 22 2.2 16 3rd 35 3.5 25 Exhaust manifold 2 – cylinder head1st Bolt M8 522 2.2 16 242LT2nd 22 2.2 16 3rd 35 3.5 25 Water jacket – oil tank1st Bolt M6 43.7 0.37 2.7 572LT2nd 7.6 0.76 5.5 Oil tank stay/reduction drive gear case – oil separator1st Bolt M6 33.7 0.37 2.7 572LT 2nd 7.6 0.76 5.5 Cover (ground lead) – oil tank Bolt M6 3 7.6 0.76 5.5 572LT Ground lead – oil tank Bolt M6 2 7.6 0.76 5.5E Oil tank –...
Page 33
2-12 ESPECTIGHTENING TORQUES Reduction drive gear case – crankcase1st Bolt M6 23.7 0.37 2.7572LT2nd 7.6 0.76 5.5 1st Bolt M8 715 1.5 11 572LT2nd 28 2.8 20 Holder (relief valve) – reduction drive gear caseBolt M6 1 10 1.0 7.2 E Bearing housing – reduction drive gear case1st Bolt M8 415 1.5 11E2nd 28 2.8 20 Battery negative lead – starter motorNut—118 1.8 13 A Starter motor lead – starter motor Bolt M8 1 4.9 0.49 3.5A Starter motor – crankcase Bolt M8 1 18 1.8 13 Generator cover – crankcase1st Bolt...
Page 34
2-13 ESPECTIGHTENING TORQUES Plug (vacuum pressure) Bolt M6 4 10 1.0 7.2 Engine temperature sensor – crankcase——115 1.5 11 Thermoswitch (engine) – crankcaseBolt M6 2 7.6 0.76 5.5 572LT Oil pressure switch——1 8.4 0.84 6.1572LT Anode cover – anode Bolt M6 1 12 1.2 8.7271LT Anode cover – cylinder head Bolt M8 1 20 2.0 14 Oil pan – lower crankcase Bolt M6 13 12 1.2 8.7 572LT Lower crankcase – upper crankcaseBolt M6 10 12 1.2 8.7 572LT 1st Bolt M9 107.8 0.78 5.6 E2nd 15 1.5 11 3rd 49 ± 5° Oil pipe – lower...
Page 35
2-14 ESPECTIGHTENING TORQUES Water inlet cover/water inlet strainer – impeller ductBolt M6 4 6.6 0.66 4.8572LT Drive shaft nut – drive shaft Nut—169 6.9 50 Impeller (left-hand threads) – drive shaftImpeller M22 1 27 2.7 19 572LT Transom plate – hull Nut—426 2.6 19 Bilge strainer holder – bulkhead Screw M5 1 3.7 0.37 2.8 Intermediate housing – bulkhead Bolt M8 3 17 1.7 12 572LT Driven coupling – shaftDriven couplingM24 1 36 3.6 25572LT Grease nipple – intermediate housingNipple—1 5.4 0.54 3.9572LT...
Page 36
2-15 ESPECTIGHTENING TORQUES Steering cable locknut (jet thrust nozzle side)Nut—1 6.5 0.65 4.7 Steering cable grommet – hull Nut—1 5.9 0.59 4.3 Steering cable bracket – steering cable holderNut—2 5.4 0.54 3.9 Steering cable bracket – deck Nut—2 5.4 0.54 3.9 Speed sensor lead grommet – hull Nut—1 5.9 0.59 4.3 Front hood assembly – deck Nut—4 5.4 0.54 3.9 Service lid 1 – deck Bolt M6 4 5.4 0.54 3.9 271LT Service lid 2– deck Screw M4 4 1.5 0.15 1.1 Panel – steering console cover Bolt M5 4 3.9 0.39 2.8...
Page 37
2-16 ESPECTIGHTENING TORQUES Bow eye – hull Bolt M6 2 13 1.3 9.4 Drain plug/packing – hull Bolt M5 4 2.0 0.2 1.4 Engine mount – hull Bolt M8 8 17 1.7 12 572LT Engine damper – hull Bolt M6 4 6.4 0.64 4.6271LT Electrical Battery box – hull Bolt M6 2 5.4 0.54 3.9 572LT Battery box/spacer – hull Bolt M6 2 5.4 0.54 3.9271LT Electrical box – bulk head Bolt M8 4 17 1.7 12572LT Terminal cover – electrical box Screw M5 4 4.9 0.49 3.5 Cover – electrical boxTapping screwø5 18 4.9 0.49 3.5 Starter motor lead–...
Page 38
2-17 ESPECTIGHTENING TORQUES GENERAL TORQUE This chart specifies tightening torques for stan- dard fasteners with a standard ISO thread pitch. Tightening torque specifications for spe- cial components or assemblies are provided in applicable sections of this manual. To avoid warpage, tighten multi-fastener assemblies in a crisscross fashion and progressive stages until the specified tightening torque is reached. Unless otherwise specified, tightening torque specifications require clean, dry threads....
Page 39
2-18 ESPECCABLE AND HOSE ROUTING CABLE AND HOSE ROUTING DOWN BOW20˚ DOWN UP + G F-F E-E G F FC D A EE D C B B A A-A B-B D-DC-C 2 11 1 4 3 6 5 7 6 5 1 8 9 0 A B 6 5C DEF 43 2 G 1Fuel tank breather hose 2QSTS cable 3Steering cable 4Shift cable 5Electrical box lead 6Speed sensor lead 7Cooling water pilot outlet 8Cooling water pilot outlet hose 9Cooling water pilot outlet 0Battery negative leadABattery positive lead BBattery CThrottle cable DFuel hose ECooling water pilot outlet hose FHandlebar switch lead...
Page 40
2-19 ESPECCABLE AND HOSE ROUTING 3A 3A3A 3A3A 3AS P A R E20A 3A 3AMAIN A B C D BC F D 8 6 1 23 4 55 E E A A B 0 1CDE F A 3 B G 9 8 7 0 5 0 5 B A 5 E-EF 1Throttle cable 2Handlebar switch lead 3QSTS cable 4Buzzer lead 5Fuel tank breather hose 6Ignition coil lead 7Battery positive lead 8Starter motor lead 9Wire harness 0Fuel hoseAShift cable BSteering cable CElectrical box lead DCooling water pilot outlet hose EBattery negative lead FBattery breather hose GSpeed sensor lead
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