Yamaha F150B Service Manual
Also see for F150B: Owner's manualService manualOwner's manual
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Contents
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5-24Fuel control units and components012345678910A8. Connect the engine ECM coupler e, andthen install junction box cover.9. Install the filter cup assembly. See “Fuelfilter” (6-13).10. Connect the water detection switch cou-pler a.Checking the fuel injector1. Check the operation of the fuel injectorsusing the “Stationary test” of the YDISand listen for the operating sound.2. Disconnect the fuel injector couplers a.3. Turn the engine start switch to “ON,” andthen measure the input voltage betweenthe fuel injector coupler terminal andground.4. Turn the engine start switch to “OFF.”5. Measure the fuel injector resistance.6. Remove the junction box cover and themain relay a, and then disconnect theengine ECM coupler b.7. Check the wiring harness for continuity.Fuel injector input voltage:Red/Yellow (R/Y)–Ground12.0 V (battery voltage)a R/YFuel injector resistance (reference data):14.0–15.0 Ω at 20 °C (68 °F)ba40cb411739a |
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