2021 OWNERS MANUAL / 220
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 on-board 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 ex-
tinguishing 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 re-
lease 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 possi-
ble after use, or after 12 years from the date of manufacture. 
In the event of any evidence of a fire within the engine compart-
ment, 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 inju-
ry or death to people on board. Shut down the engine and blowers. 
Continuously discharge the entire contents of the fire suppression 
unit immediately. 
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