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Exhaust emission control system and
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Item
FI models:
9 Fuel Injection ........................................
9 Engine Control Unit ..............................
9 Throttle Position Sensor ......................
9 Crank Position Sensor .........................
9 Intake Manifold Air Pressure ..............
Sensor & Intake Temp. Sensor
9 O
Sensor ..............................................
2
9 Engine Temp. Sensor
(Muff & Spark Arrester) Option
9 Ignition Coil & Spark Plug ...................
Carburetor models:
9 CARBURETOR ......................................
9 IGNITION COIL ......................................
9 SPARK PLUG ........................................
FI and Carburetor models:
9 Fuel Pump .............................................
9 Crankcase .............................................
9 Air Filter Assy. .....................................
The above items and the corresponding acronyms are provided in accordance with U.S.
EPA REGULATIONS FOR NEW NONROAD SPARK-IGNITION NONHANDHELD
ENGINES and the CALIFORNIA REGULATIONS FOR 2011 AND LATER LARGE
OFFROAD ENGINES.
The acronyms conform to the latest version of the SAE's recommended practice docu-
ment J1930, "Diagnostic Acronyms, Terms, and Definitions For Electrical/Electronic
System".
It is recommended that these items be serviced by a Yamaha dealer.
components
FI
ECU
TP Sensor
CKP (Crank shaft Position)
Sensor
MAPT (Manifold Absolute
Pressure and Temperature)
Sensor
O
2
EI (Electronic Ignition)
Carb
Ignition Coil
Spark Plug
FP
PCV (Positive Crankcase
Ventilation)
ACL
Acronym
S
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