2003 Kawasaki KLF250 Service Manual., Page 27Get this manual
PERIODIC MAINTENANCE 2-11 Periodic Maintenance Procedures
drain plug [A] the muffler Remove thearea away fromoncombustible materials, start In an open with the transmission in neutralthe engine lower speed while tapping Raise and rubberengine until carbon particleson the muffler with mallet are purged from the muffler
WARNING
Do not run the engine in closed areaExhaust gases contain carbon monoxide; colorless, odorless, poisonous gasBreathing exhaust gas leads to carbon monoxide poisoning, asphyxiation, and death
Stop the engine Remove: Bolt [A]
Spark Arrester [B] Muffler [C] Scrape carbon deposits off the spark arrester and slide it back into the muffler