2004 Yamaha Outboard 60C 70C 90C Boat Motor Owners Manual

6H3-9-1N 5  2/6/03 11:50  Page 3
E
Trouble
Possible Cause
Remedy
1.
2.
Spark plug(s) fouled or incorrect
type.
Fuel system obstructed.
1.  Inspect spark plug(s). Clean or
replace with recommended type.
2.  Check for pinched or kinked fuel
line or other obstructions in fuel
system.
3.
4.
5.
Fuel contaminated or stale.
Fuel filter clogged.
Failed ignition parts.
3.  Fill tank with clean, fresh fuel.
4.  Clean or replace filter.
5.  Have serviced by a Yamaha
dealer.
6.
7.
8.
Warning system activated.
Spark plug gap incorrect.
Poor connections or damaged
ignition wiring.
6.  Find and correct cause of warning.
7.  Inspect and adjust as specified.
8.  Check wires for wear or breaks.
Tighten all loose connections.
Replace worn or broken wires.
9.  Check and replace oil as specified.
10.  Have serviced by a Yamaha
dealer.
9.
10.
Specified engine oil not used.
Thermostat faulty or clogged.
C.  Engine idles
irregularly or stalls.
11.
12.
13.
14.
15.
Carburetor adjustments incorrect.
Fuel pump damaged.
11.  Have serviced by a Yamaha
dealer.
12.  Have serviced by a Yamaha
dealer.
Air vent screw on the fuel tank
closed.
Motor angle too high.
13.  Open the air vent screw.
14.  Return to normal operating
position.
15.  Have serviced by a Yamaha
dealer.
Carburetor clogged.
16.
17.
Fuel joint connection incorrect.
Throttle valve adjustment incorrect.
16.  Connect correctly.
17.  Have serviced by a Yamaha
dealer.
18.
Battery lead disconnected.
18.  Connect securely.
5-2
Product Specification
CategoriesYamaha Outboard Manuals
Document TypeBoat Motor Manual Free Download. Marine Operator's Boating Guide.
Tags, ,
Model Year2004
Download File
Please Enter the Security Characters Shown Below. Letters are Case Sensitive. Your download link will appear upon completing this step.
- 110 pages
LanguageEnglish
Product BrandYamaha Motor. Yamaha Motor Corporation, USA - Support Customer Relations for US: 1-800-962-7926
Yamaha Boats: 1-800-962-7926
Yamaha Outboard Customer Relations: 1-866-894-1626 , Yamaha Outboard
Document File TypePDF
Publisheryamaha-motor.com
Wikipedia's PageYamaha Motor Company
CopyrightAttribution Non-commercial
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