Husqvarna TC 85, Owner'S Manual

Page: 113 / 131

19 TROUBLESHOOTING
111
Faults Possible cause Action
Engine turns but does not start Operating error
–
Carry out the start procedure.
(
p. 28)
Motorcycle was out of use for
a long time and there is old
fuel in the float chamber
–
Empty the carburetor float cham-
ber.
( p. 101)
Fuel feed interrupted
–
Check the fuel tank breather.
–
Clean the fuel tap.
–
Check/set the carburetor compo-
nents.
Spark plug oily or wet
–
Clean and dry the spark plug, or
change it if necessary.
Electrode distance (plug gap)
of spark plug too wide
–
Adjust the plug gap.
Guideline
Spark plug electrode gap
0.60 mm (0.0236 in)
Fault in ignition system
–
Check the ignition system.
–
Adjust the ignition.
Short circuit cable in wiring
harness frayed, kill switch
defective
–
Check the kill switch.
Water in carburetor or jets
blocked
–
Check/set the carburetor compo-
nents.
Engine has no idle Idling jet blocked
–
Check/set the carburetor compo-
nents.
Adjusting screws on carbure-
tor distorted
–
Carburetor
–
adjust the idle speed.
( p. 100)
Spark plug defective
–
Change the spark plug.
Ignition system defective
–
Check the ignition coil.
–
Check the spark plug connector.
Engine does not speed up Carburetor running over
because float needle dirty or
worn
–
Check/set the carburetor compo-
nents.
Loose carburetor jets
–
Check/set the carburetor compo-
nents.
Fault in ignition system
–
Check the ignition system.
–
Adjust the ignition.
Engine has too little power Fuel feed interrupted
–
Check the fuel tank breather.
–
Clean the fuel tap.
–
Check/set the carburetor compo-
nents.
Air filter is very dirty
–
Clean the air filter and air filter box.
(
p. 57)
Exhaust system leaky,
deformed or too little glass
fiber yarn filling in main
silencer
–
Check exhaust system for damage.
–
Change the glass fiber yarn filling of
the main silencer.
( p. 58)
Fault in ignition system
–
Check the ignition system.
–
Adjust the ignition.