The mo t or r uns poorl y – Little Wonder Xtra User Manual
Page 29

THE MO
T
OR R
UNS POORL
Y
INSPECTION AND
ADJUSTMENT
Pull the recoil star
ter
and chec
k ho
w the
plug spar
ks
.
Open the throttle
gr
adually and chec
k
the speed.
PR
OBLEM & FINDINGS
The engine r
uns poor
ly at idle and
lo
w speeds
.
PR
OBABLE CA
USES
A
CTION
The spar
k is
nor
mal.
The spar
k is
w
eak.
The engine
does not stop
.
The engine
speed is
reduced or the
engine stops
.
1.
The plug poles are dir
ty or w
o
rn
.
2.
The plug is not fully insulated.
3.
There is a current leak from the plug cap
.
4.
The magnet air gap is too wide
.
1.
Clean, correct
or replace
.
2.
Replace
.
3.
Replace
.
4.
Correct.
1.
The inside of the carb
uretor is clogged with dust.
2.
The air cleaner is clogged.
The idle speed is too lo
w
.
1.
W
ash out.
2.
Clean.
Set the idle to the
correct speed.
1.
The tank cap v
ent hole is clogged.
2.
The main jet of the carb
uretor is clogged.
3.
Air is being dr
a
wn in from the fuel pipe
.
Clean or w
ash out.
If the engine is oper
ating under load,
the rotating speed fluctuates
.
29