20 TROUBLESHOOTING
128
Faults
Possible cause
Action
Engine does not speed up
The carburetor is flowing over
because the float needle is
dirty or worn
(TC 50)
–
Check/set the carburetor compo-
nents.
(TC 50 MINI)
–
Check/set the carburetor compo-
nents.
Loose carburetor jets
(TC 50)
–
Check/set the carburetor compo-
nents.
(TC 50 MINI)
–
Check/set the carburetor compo-
nents.
Fault in ignition system
–
Check the ignition system.
Engine has too little power
Fuel supply interrupted
–
Check the fuel tank breather.
–
Clean the fuel tap.
(TC 50)
–
Check/set the carburetor compo-
nents.
(TC 50 MINI)
–
Check/set the carburetor compo-
nents.
Air filter very dirty
–
Clean the air filter and air filter box.
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.
Ignition system defective
–
Check the ignition coil.
–
Check the spark plug connector.
Diaphragm or reed valve hous-
ing damaged
–
Check the diaphragm and reed valve
housing.
Noticeable wear
–
Overhaul the engine.
Clutch engagement speed too
low or too high
–
Check the clutch setting.
Engine stalls or is popping into
the carburetor
Lack of fuel
–
Turn the knurled screw on the fuel tap
all the way counterclockwise.
–
Refuel. (
Engine takes in bad air
–
Check the intake flange and carbure-
tor for tightness.
The connector or ignition coil
is loose or oxidized
–
Clean the plug-in connection and treat
it with contact spray.
Engine overheats
Too little coolant in cooling
system
–
Check the cooling system for leakage.
–
Check the coolant level. (
Too little air stream
–
Switch off engine when standing.
Radiator fins very dirty
–
Clean radiator fins.
Foam formation in cooling sys-
tem
–
Drain the coolant.
–
Refill with coolant.
Damaged cylinder head or
cylinder head gasket
–
Check the cylinder head or cylinder
head gasket.
Bent radiator hose
–
Change the radiator hose.
Summary of Contents for TC 50 2023
Page 1: ...OWNER S MANUAL 2023 TC 50 TC 50 MINI Art no 3402625en ...
Page 2: ......
Page 148: ...2 ...
Page 153: ...7 PART 1 7 ...
Page 167: ...21 PART 3 ...
Page 173: ...27 PART 3 ...
Page 189: ...43 NOTES ...
Page 190: ...44 NOTES ...
Page 191: ......