Air Cleaner Maintenance - Suzuki RG250 Service Manual

PERIODIC MAINTENANCE AND TUNE-UP PROCEDURES 2-6
• Check spark plug for burnt condition . If abnor-
mal, replace the plug as indicated right.
NOTE:
" Roo type spark plug fitted under some of
specifications and it means that the resistor
is located at the center electrode to prevent
radionoise.
NOTE:
To check the spark plugs, first make sure that
the fuel tank contains unleaded gasoline, and
after a test ride
if
the plugs are either sooty
with carbon or burnt white, replace them
altogether.
NOTE:
Confirm the thread size and reach when
replacing the plug. If the reach is too short,
carbon will be deposited on the screw portion
of the plug hole and engine damage may
result.
AIR CLEANER
: Clean Every 3 000 km
If the air cleaner is clogged with dust, intake resis-
tance
will
be increased with a resultant decrease
in power output and an increase in fuel consump-
tion.
Check and clean the element in the following
manner.
• Remove the right and left frame covers.
• Loosen the fuel tank securing bolts and then
li h up rear side.
• Remove the screw and take out the air cleaner
case cover.
• Remove a screw and take out the air cleaner
element from the cleaner case.
• Separate the polyurethane foam element fro m
the element frame.
For E-01, 24, 25, 30
NGK
REMARKS
If the standard plug is apt
BSES
to get wet, replace with
this plug. Hot type.
B9ES
Standard
For E-02, 06, 15,16,21 , 39
NGK
REMARKS
If the standard plug is apt
BRSES
to get wet, replace with
this plug. Hot type.
SR9ES
Standard
,