Troubleshooting; Starting Failure/Hard Starting; Fuel System; Electrical System - Yamaha Rhino 450 YXR45FAV Service Manual

Table of Contents

Advertisement

STARTING FAILURE/HARD STARTING

EBS00537
NOTE:
_
The following troubleshooting does not cover all the possible causes of trouble. It should be helpful,
however, as a guide to troubleshooting. Refer to the relative procedure in this manual for check,
adjustment and replacement of parts.
STARTING FAILURE/HARD STARTING

FUEL SYSTEM

Fuel tank
• Empty
• Clogged fuel filter
• Clogged fuel breather hose
• Deteriorated or contaminated fuel
Fuel pump
• Clogged fuel hose
• Damaged vacuum hose

ELECTRICAL SYSTEM

Spark plug
• Improper plug gap
• Worn electrodes
• Wire between terminals broken
• Improper heat range
• Faulty spark plug cap
Ignition coil
• Broken or shorted primary/secondary
• Faulty spark plug lead
• Broken body
C.D.I. system
• Faulty C.D.I. unit
• Faulty pickup coil
• Broken woodruff key

TROUBLESHOOTING

Carburetor
• Deteriorated or contaminated fuel
• Clogged pilot jet
• Clogged pilot air passage
• Sucked-in air
• Deformed float
• Worn needle valve
• Improperly sealed valve seat
• Improperly adjusted fuel level
• Improperly set pilot jet
• Clogged starter jet
• Starter plunger malfunction
Air filter
• Clogged air filter element
Switches and wiring
• Faulty main switch
• Broken or shorted wiring
• Faulty neutral switch
• Faulty reverse switch
• Faulty low-range switch
• Faulty high-range switch
• Faulty brake light switch
Starter motor
• Faulty starter motor
• Faulty starter relay
• Faulty starter clutch
Battery
• Faulty battery
10 - 1
TRBL
SHTG
10

Advertisement

Table of Contents
loading

Table of Contents