2023 OWNER’S MANUAL 
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 216
FIRE SUPPRESSION AND 
EXTINGUISHING
See also the Safety section of this Owner’s Manual.
Models
All 
 
Opening an engine compartment when there is indication of a 
fire inside can cause the fire to flare up and/or spread, which may 
result in serious injury or death to people onboard.
Never attempt to fight a fire with your hands, feet, clothing, 
or other material onboard the boat, other than approved fire 
suppression or fire extinguishing products as specified by 
MasterCraft. Failure to follow directions as outlined in this section 
can result in serious injury or death.
Purpose
MasterCraft has developed an extensive fire suppression 
and extinguishing system for its boats. All MasterCraft boats 
are equipped with an automatic fire suppression system. The 
automatic system operates from sensors in the engine room and 
will automatically release a clean-agent, gaseous chemical that 
does not leave residue behind. All boats have also been specified 
to carry a hand-held 2.5 lb. monoammonium phosphate expellant 
(dry chemical) unit, which is rated Class A (trash, wood and 
paper), Class B (UL Approved) and Class C (energized electrical 
equipment). These units should be used in situations other than 
engine compartment fires.
Hand-held units should be replaced or recharged as soon as 
possible after use, or after 12 years from the date of manufacture. 
In the event of any evidence of a fire within the engine 
compartment, DO NOT OPEN THE ENGINE COMPARTMENT (BOX).  
Opening an engine compartment when there is indication of a 
fire inside can cause the fire to flare up and/or spread, which may 
result in extensive damage or even sinking of the boat and/or 
serious injury or death to people on board. Shut down the engine 
and blowers. Continuously discharge the entire contents of the fire 
suppression unit immediately.