2002 Yamaha Motorsports Kodiak 400 Auto. 4x4 Owners Manual - Page 141
2002 Yamaha Motorsports Kodiak 400 Auto. 4x4 Manual
Page 141 highlights
EBU00522 Spark arrester cleaning Select a well-ventilated area free of combustible materials and make sure the exhaust and muffler are cool. 1. Remove the bolt. 2. Remove the tailpipe by pulling it out of the muffler. 1. Spark arrester 1. Bolt 2. Tailpipe 3. Purging bolt 3. Tap the tailpipe lightly, then use a wire brush to remove any carbon deposits from the spark arrester portion of the tailpipe. 8-32 4. Insert the tailpipe into the muffler and align the bolt holes. 5. Install the bolt and tighten it. 6. Remove the purging bolt. 7. Start the engine and rev it up approximately twenty times while momentarily creating exhaust system back pressure by blocking the end of the muffler with a shop towel. 8. Stop the engine and allow the exhaust pipe to cool. 9. Install the purging bolt and tighten it.
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