2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 375Get this manual
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1 Remove the vacuum chamber cover (A), spring (B), and vacuum piston (C); then remove the jet needle (D) and spring seat (E) from the vacuum piston KX368
NOTE: Do not remove the pilot scr