BMS Ranch Pony 800 F Series Owner's Manual page 120

Valve Adjustment
See an authorized ODES dealer for valve
adjustment.
Insufficient clearance will cause loss of
power and possibly damage the valves.
Excessive clearance will cause noise.
Spark Arrester
The muffler must be periodically purged of
accumulated carbon.
WARNING！
Never run engine in an enclosed area.
Never perform
immediately after the engine has been
run because exhaust system is very
hot. Make sure that there are no
this operation
combustible materials in the area. Wear
eye protection and gloves. Never stand
behind the
exhaust system. Respect all applicable
laws and regulations.
Select a well-ventilated area and make
sure the muffler is cool.
Place transmission on PARK position.
Remove the cleanout plug of the muffler.
Block the end of the muffler with a shop rag
and start engine.
Momentarily increase engine RPM several
times to purge accumulated carbon out of
the muffler.
Stop engine and allow muffler to cool.
Reinstall the cleanout plug.
Radiator
Periodically check the radiator area for
120
vehicle while purging