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UF4L12E0.book Page 88 Thursday, June 4, 2020 2:02 PM

Trouble recovery

TROUBLE POSSIBLE CAUSE REMEDY PAGE
Engine runs irregu- Fuel Fuel tank empty Refill as soon as pos- 48
larly or stalls sible
Stale or contaminat- Have serviced by —
ed Yamaha dealer
Fuel tank Water or dirt present Have serviced by —
Yamaha dealer
Spark plug Fouled or defective Have serviced by —
Yamaha dealer
Incorrect heat range Have serviced by —
Yamaha dealer
Gap incorrect Have serviced by —
Yamaha dealer
Electrical wir- Loose connection Have serviced by —
ing Yamaha dealer
Fuel injec- Faulty or clogged in- Have serviced by —
tion system jectors Yamaha dealer
Warning light or in- Fuel level Fuel tank empty Refill as soon as pos- 48
dicator blinks or warning sible
comes on Oil pressure Oil pressure dropped Have serviced by
warning Yamaha dealer 40
Engine over- Jet intake clogged Clean 90
heat warning
Check en- Faulty sensors Have serviced by 41
gine warning Yamaha dealer

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