Husqvarna 2009 WR 250, Owner'S Manual

Page: 201 / 242

SPARK ARRESTER
The WR model is equipped with a U.S. Forest Service approved spark arrester for maximum efficienty and performance.
“ SPARK ARRESTER” MAINTENANCE AND CLEANOUT INSTRUCTIONS
Proceed as follows:
A: First turn counterclockwise fastening rear pin (A) then remove saddle, screws (1) and R.H. side panel (2).
B: Remove the two screws (3) fastening the muffler to the rear frame. Extract the silencer from the union manifold to the
exhaust pipe.
Note*: If silencer or exhaust are difficult to remove, help to slide them apart by tapping gently with a rubber or plastic
hammer.
C: remove the four screws (4) and the endcap (5) from silencer’s body;
D: examinate SPARK ARRESTER conditions and remove, if necessary, carbon particles from the SPARK ARRESTER screen;
E: if necessary, inflate air on the SPARK ARRESTER screen, in the opposite direction in respect of the exhausted gas flow;
F: assemble the front endcap on the silencer’s body, mounting the screws in the correct position, providing a tight connection
between endcap and silencer’s body, using, if necessary, a silicone paste;
G: re-assemble the silencer on motorbike.
Due to the SPARK ARRESTER position on the silencer, if you need only to check the SPARK ARRESTER conditions you can:
A: disassemble the silencer from motorbike;
B: check SPARK ARRESTER conditions simply looking into the silencer from front endcap opening;
C: if the check is positive, you can proceed in re-assembling the silencer on the motorbike;
D: if the check is negative, proceed with the maintenance and cleanout procedure.
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IMP. 11-250-300-2009 16-06-2008 12:00 Pagina 201