MAINTENANCE
1
2
3
4
5
6
7
8
9
10
11
7-3
JW7
EXHAUST EMISSION CONTROL SYSTEM
AND COMPONENTS
Item Abbreviation
• CARB. ASSY., LH., JT., CARB (Carburetor)
CARBURETOR 2 & JT.,
CARBURETOR 1
• T.C.I. MAGNETO ASSY. & El (Electronic Ignition)
PLUG, SPARK
• CRANKCASE 1 & HEAD, PCV (Positive Crankcase
CYLINDER 1 Ventilation)
• AIR FILTER ASSY. ACL (Air Cleaner)
• MUFF., 2
• CARBON CANISTER CC
(California models only)
• INVERSION VALVE IV
The above items and the
corresponding abbreviations are
provided in accordance with U.S.
EPA REGULATIONS FOR SMALL
NONROAD ENGINES and the
CALIFORNIA REGULATIONS FOR
NEW 1995 AND LATER OFF-
HIGHWAY RECREATIONAL
VEHICLES AND ENGINES.
The abbreviations conform to the
latest version of the SAE’s recom-
mended practice document J1930,
“Diagnostic Acronyms, Terms, and
Definitions For Electrical/Electronic
System.”
It is recommended that these items
be serviced by a Yamaha dealer or
other qualified mechanic.
TROUBLESHOOTING
If the vehicle’s engine won’t start,
use the following chart:
Cause Remedy
Fuel System
No fuel in tank Fill fuel tank
Fuel shutoff valve Open fuel shutoff
closed valve
Clogged fuel Clean fuel line –
line Consult Yamaha
dealer
Foreign matter Clean fuel filter –
in fuel filter Consult Yamaha
dealer
Clogged Clean carburetor –
carburetor Consult Yamaha
dealer
Electrical System
Spark plug dirty Clean carbon or
with carbon, or wipe spark plug
wet dry
Faulty ignition Consult Yamaha
system dealer
JW7-F8199-22_LIT_19626_16_05.qxd 5/9/13 4:28 PM Page 38
To Next Page
Loading...
