Troubleshooting - Yamaha DRIVE 2 DR2 PTV QUIETECH 2021 Owner's/Operator's Manual

MAINTENANCE AND ADJUSTMENT
EXHAUST EMISSION CONTROL SYSTEM AND
COMPONENTS
Item
ELECTRONIC FUEL INJECTION
ELECTRONIC CONTROL UNIT & PLUG,
SPARK
CRANKCASE 1 & HEAD, CYLINDER 1
AIR FILTER ASSY.
MUFFLER
CARBON CANISTER
INVERSION VALVE
The above items and the corresponding abbreviations are provided in accordance
with U.S. EPA REGULATIONS FOR SMALL NONROAD ENGINES and the CALIFOR-
NIA REGULATIONS FOR NEW 1995 AND LATER OFF-HIGHWAY RECREATIONAL
VEHICLES AND ENGINES.
The abbreviations conform to the latest version of the SAE's recommended prac-
tice 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 qual-
ified mechanic.

TROUBLESHOOTING

If the vehicle's engine will not start, use the following chart:
Cause
No fuel in tank
Fuel pump inoperable
Clogged fuel line
Foreign matter in fuel filter
Dirty injector
Spark plug dirty with carbon, or wet
Faulty ignition system
EFI
ECU
PCV (Positive Crankcase Ventilation)
ACL (Air Cleaner)
MUFF., 2
CC
IV
Fuel System
Fill fuel tank
Consult Yamaha dealer
Consult Yamaha dealer
Consult Yamaha dealer
Consult Yamaha dealer
Electrical System
Clean carbon or wipe spark plug dry
Consult Yamaha dealer
30
Abbreviation
Remedy
1
2
3
4
5
6
7
8
9
10
11
12
13
14