Honda CB350 Repair Manual page 170

TROUBLESHOOTING
165
Electrical Troubleshooting (cont.)
Problem Possible Causes
Inspection/Remedy
Unstable charging voltage Intermittent short Check wiring for frayed insulation.
Dirty regulator points Clean.
Defective key svritch Replace.
Intermittent coil in alternator Replace.
Electric starter spins, but Broken starter clutch Replace.
engine does not
Starter does not turn over, Low battery, or battery connec— Charge or replace battery; clean and
but warning lights dim tions loose or corroded tighten terminals.
when starter button is ,
4 Starter armature bushings worn Replace starter.
pushed; or engine turns §
over slowly
Clicking sound when start— Battery low or terminals loose Charge or replace battery; clean and
er button is pushed; engine
does not turn over
or corroded
Defective starter solenoid
tighten connections.
Replace.
Nothing happens when
starter button is pushed
Loose or broken connections in
the starter switch or battery
leads
Check switch connections; check battery
terminals; clean and tighten battery
leads.
Engine turns over slowly
whenstarter button is
pushed (cold weather)
Low or dead battery
Engine oil too heavy
Recharge or replace battery.
Use correct viscosity oil.
Turn signal will not light
Burned out bulb; disconnected
wire
Replace; check wiring connections.
Turn signal will not flash
Low battery
Charge or replace battery.
Speed of flasher varies with
engine rpm
Low battery
Defective flasher unit
Charge or replace battery.
Replace.
No spark or weak spark
Defective ignition coil
Defective spark plug
Plug lead or wires damaged or
disconnected
Replace.
Replace.
Check condition of lead and wires; check
all connections.
Breaker points pitted or
burned
Defective condenser
Replace points and condenser.
Carbon—fouled spark plugs Mixture too rich
Plugs too cold for conditions
Idle speed set too high
Adjust carburetors; check air cleaner.
Use hotter plugs.
Adjust carburetors.
Oil—fouled spark plugs
Worn rings, cylinder, valve
guides, or seals
Refer to Chapter 4.
Spark plug electrodes
burned or overheated
Spark plugs too hot for condi—
tions
Engine overheating
Use colder plugs.
See above.