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TROUBLESHOOTING
ENGINE SPEED IS NOT STABLE DURING IDLE AND TROLLING
1. Alert system inspection
Turn the combination switch ON.
Check the warning buzzer sound.
Does the warning buzzer sound twice and then keep sounding?
YES
–
Perform alert system/warning system troubleshooting (page 4-18).
NO
–
GO TO STEP 2.
2. Engine idle speed inspection
Check the idle speed (page 3-22).
Is the idle speed normal?
YES
–
Improperly adjusted idle adjusting screw.
NO –
GO TO STEP 3.
3. Spark Test
Perform spark test (page 8-4) at all plugs.
Is there weak or no spark?
YES
–
Perform ignition system troubleshooting (page 8-3).
NO
–
GO TO STEP 4.
4. Spark Plug Inspection
Remove and inspect spark plugs.
Is the spark plug wet?
YES
–
• Incorrect spark plug gap
• Incorrect spark plug heat range
• Blocked air cleaner
NO
–
GO TO STEP 5.
5. Fuel Flow Inspection
Inspect the fuel flow (page 5-113).
Is the fuel flow within specification?
YES
–
GO TO STEP 6.
NO
–
• Clogged fuel strainer (Low pressure side) (page 3-27)
• Clogged water separator (page 5-93)
• Clogged or damaged fuel tube
• Faulty fuel pump (Low pressure side)
• Clogged vapor separator air vent tube or filter
• Clogged fuel feed hose
• Clogged fuel strainer (High pressure side) (page 5-106)
• Faulty vapor separator (page 5-115)
• Faulty fuel pump (high pressure side)
6. Pressure regulator inspection
Inspect the fuel pressure and record it (page 5-111).
Disconnect the pressure regulator vacuum tube.
Inspect the fuel pressure.
Is the fuel pressure higher with the vacuum tube disconnected?
YES
–
GO TO STEP 7.
NO
–
Faulty pressure regulator.
7. Neutral switch inspection
Inspect the neutral switch (page 9-20).
Is the neutral switch normal?
YES
–
GO TO STEP 8.
NO
–
Replace the neutral switch with a new one and recheck.
Содержание BFT 250A
Страница 11: ...1 1 1 dummytext 1 GENERAL INFORMATION SERIAL NUMBER LOCATION 1 2 SPECIFICATIONS 1 2 DIMENSIONAL DRAWING 1 4...
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Страница 252: ...6 2 dummyhead dummyhead ENGINE COVER COVER LOCK ENGINE COVER COVER LOCK COMPONENT LOCATION 10 N m 1 0 kgf m 7 lbf ft...
Страница 308: ...10 2 dummyhead dummyhead OTHER ELECTRICAL OTHER ELECTRICAL SYSTEM LOCATION POWER TILT RELAY FUSE RELAY JUNCTION BOX...
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Страница 324: ...11 2 dummyhead dummyhead COOLING SYSTEM COOLING SYSTEM COMPONENT LOCATION 20 N m 2 0 kgf m 15 lbf ft...
Страница 325: ...11 3 dummyhead dummyhead COOLING SYSTEM TOOLS LIST Attachment 42 x 47 mm 07746 0010300 Driver 07749 0010000...
Страница 342: ...MEMO dummyhead dummyhead...
Страница 344: ...12 2 dummyhead dummyhead LUBRICATION SYSTEM LUBRICATION SYSTEM COMPONENT LOCATION 10 N m 1 0 kgf m 7 lbf ft...
Страница 359: ...13 3 dummyhead dummyhead ENGINE REMOVAL INSTALLATION TOOL LIST Engine hanger VSB02C000021...
Страница 371: ...14 3 dummyhead dummyhead CYLINDER HEAD 39 2 N m 4 0 kgf m 29 lbf ft 50 53...
Страница 373: ...14 5 dummyhead dummyhead CYLINDER HEAD Air supply attachment 07VAJ P8A010A...
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Страница 554: ...18 2 dummyhead dummyhead MOUNT MOUNT COMPONENT LOCATION 83 N m 8 5 kgf m 61 lbf ft...
Страница 564: ...19 2 dummyhead dummyhead TRIM TILT TRIM TILT COMPONENT LOCATION 34 N m 3 5 kgf m 25 lbf ft 34 N m 3 5 kgf m 25 lbf ft...
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Страница 608: ...20 2 dummyhead dummyhead CONTROLS CONTROLS COMPONENT LOCATION...
Страница 621: ...21 1 21 dummytext 21 TECHNICAL FEATURES SHIFT EFFORT REDUCTION SYSTEM 21 2 CHARGE OUTPUT ENHANCEMENT WHEN IDLING 21 4...
Страница 628: ...22 4 dummyhead dummyhead WIRING DIAGRAMS...