Engine Stops; Engine Misfires - Triumph SPEED TWIN 1945 Workshop Instruction Manual

. . . . . .
N o Petrol or Fuel obstruction
...
...
Choked Main Jet
. . . . . .
... ...
W a t e r o n H.T. Leads. Pick-ups o r Sparking Plug
W a t e r i n Float Chamber
... ...
...
Vent Hole i n Petrol Tank Filler Cap choked
...
Battery lead oft (Coil)
... ... ... ...
N
%
Pefectivc o r oiled Sparking Plug
...
...
W a t e r fouling Main
J e t
. . . . . . ...
...
.ncorrect Contact Breaker Gap
... ...
Contact Points burned and arcing
Weak o r broken Valve Spring
. . . . . .
...
Partial obstruction of Petrol Supply
...
...
Slow Running Orifice choked
. . . . . .
...
H.T. Cable perished and shorting
to
frame
...
Sparking Plug insulation cracked
...
...
Condenser failing
. . . . . .
...
... ...
H.T. Cable o n Coil faulty (Coil ignition)
...
FAULT
FINDING
E N G I N E STOPS
Check Fuel In Tank. Supply at Carburettcr i f n o supply.
Rcmovc Pipes and Tank Filters i f
necessary.
See Page 150.
D r y I g n ~ t ~ o n System.
Remove Carburetter and clean out.
Clean out Vcnt Hole.
Re-connect.
E N G I N E MISFIRES
Clean and test Plugs.
Clean Carburcttcr.
Check and adlust
to
0.012"-0 015" (Magneto) 0.014"-0.016" (Coil)
(0.30-0.40 mm.)
..
(0.36-0.40 mm.)
..
Remove Points and true w i t h a Carborundum Stone. Replace and re-gap: change Condenser
if trouble persists. T l i ~ s fault can be caused by contrnuous running i n the
"EMG"
p o s i t ~ o n
(coil).
See Page 46 for
Replacement.
Clean o u t Carburetter and check Petrol supply
a t
Carburettcr end.
See Page 150.
Replace H.T. Cable.
Replace Sparking Plug.
See Page 173.
Replace.