2008 Polaris Sportsman 700/800/700 X2 EFI Service Manual, Page 41Get this manual
MAINTENANCE Exhaust Pipe
The exhaust pipe must be periodically purged of accumulated carbon as follows: 1Remove the clean out plugs located on the bottom of the muffler as shown 678Repeat Steps through until no more particles are expelled when the engine is revvedStop the engine and allow the arrestor to coolReinstall the clean out plugs
WARNING