ENGLISH
22
Cleaning the air filter *
The air filter must be cleaned prior to every race or whenever the motorcycle
has been exposed to great quantities of dust.
For this purpose, rotate the two quick-release fasteners
1 counter-clockwise
and pull them outward up to the stop, pull the filter box cover forward and
remove it. Unhook the filter holding brackets
2 at the bottom, swing them
sideways and take the air filter
3 together with the filter support 4 out of
the filter box.
!
CAUTION
!
D
O NOT CLEAN FOAM FILTER WITH FUEL OR PETROLEUM SINCE THESE WILL DAMAGE THE
FOAM
. KTM RECOMMENDS THE PRODUCTS MADE BY PUTOLINE FOR AIR FILTER
MAINTENANCE
.„ACTION CLEANER” FOR CLEANING PURPOSES AND „ACTION FLUID” TO
OIL THE FOAM FILTER
.
Thoroughly wash the foam filter in special cleaning fluid and allow it to dry
well. Only press out the filter, do not wring it out under any circumstances.
Oil the dry foam filter with a high-grade filter oil. Also clean the air filter
box. Check carburetor collar for damage and that it is filled correctly.
Mount the air filter on the filter support. Apply grease to the face
A of the
filter to improve its sealing properties. Mount the filter together with the fil-
ter support in the filter box, making sure to properly center them, and fix
them with the filter holding bracket.
Exhaust system *
Silencers whose caps 5 is detachable are filled with glass-fiber yarn. Check
this packing in regular intervals. Glass-fiber yarn that is too loose may cause
a drop in performance and curtail the silencer’s silencing effect.
To replace the glass-fiber yarn packing
6, remove the silencer cap and pull
off the outer tube
7. Use adhesive tape to attach the new glass-fiber yarn
packing to the inner tube, and slide on outer tube. Mount silencer cap.
Glass-fiber yarn packings are available at your authorized KTM dealer.
WARNING
T
HE EXHAUST SYSTEM BECOMES VERY HOT WHILE THE MOTORCYCLE IS RUNNING
. DO
NOT START WORK ON THE EXHAUST SYSTEM UNTIL IT HAS PROPERLY COOLED DOWN
, TO
AVOID BURNS
.
Cleaning the spark arrestor (EXC USA) *
With these models, the spark arrestor is part of the exhaust silencer. Clean it
every 4000 km (2500 miles) to guarantee proper functioning. Also clean the
spark arrestor when replacing the glass fiber yarn filling.
After assembling the silencer, remove the plug
8 and start the motorcycle.
Close the opening of the muffler with a rag and press the accelerator
approximately 20 times. The carbon deposits will be blown out through the
opening. Then turn off the engine and let the exhaust system cool down.
Grease the plug with molycote grease and mount the plug.
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