Engine Specifications
ENGINE
DESCRIPTOR
5.3L
6.2L
TYPE / ASPIRATION
4 CYCLE – NATURALLY ASPIRATED
4 CYCLE – NATURALLY
ASPIRATED
ENGINE CONFIGURATION
90 DEGREE V8
90 DEGREE V8
DISPLACEMENT (CC)
5,300 CC (327 CID)
6,200 CC (383 CID)
BORESPACING (MM)
111.76
111.76
BORE x STROKE (MM)
96.01 x 92
103.25 x 92
COMPRESSION RATIO
11:1
11:1
FUEL COMPATIBILITY
GASOLINE
GASOLINE
ENGINE ROTATION (FRONT)
CW
CW
BLOCK / HEAD MATERIAL
CAST ALUMINUM
CAST ALUMINUM
BLOCK STRUCTURE
DEEP SKIRT
DEEP SKIRT
MAIN BEARING CAPS
6 BOLT
6 BOLT
VALVETRAIN CONFIGURATION
OHV-CIB
OHV-CIB
VALVES PER CYLINDER
2V
2V
VALVE LIFTER / LASH ADJUSTER
ROLLER HYDRAULIC
ROLLER HYDRAULIC
CAM DRIVE
3/8” ROLLER CHAIN
3/8” ROLLER CHAIN
FIRING ORDER
1-8-7-2-6-5-4-3
1-8-7-2-6-5-4-3
Engine Coolant
All Malibu Monsoon engines feature a hybrid of raw water
cooling and closed cooling. The closed cooling must have a
50/50 mix of marine-grade, propylene glycol coolant (such
as Sierra brand) and clean, distilled water.
From an empty
tank to the proper amount of coolant/water mix will require
approximately four (4) gallons. Directions for maintaining
proper levels are provided in the
Care and Maintenance
section
of this Owner’s Manual. Maintaining proper levels is required
to keep the warranty in effect, and the instructions should
continue to be followed for the life of the boat/engine. Boat
owners should also carefully follow the raw water cleaning
information provided in the
Care and Maintenance
section of this
Owner’s Manual, especially when operating in salt water or brackish water conditions. Failure to do so will void
the warranty. Also see the Salt Water information provided in the
Care and
Maintenance
section of this Owner’s Manual.
Engine Oil
Use only 5W30 synthetic dexos
tm
Gen2 engine oil
. The engine requires
eight (8) quarts to fill from empty. (Never over-fill the engine oil, nor run
the engine without sufficient oil as indicated on the oil dipstick.) The use
of any other oil or fluid may void the warranty. Instructions for proper
levels, maintenance and oil changes are
provided in the
Care and Maintenance
section of this Owner’s Manual.
2020 Malibu Boats LLC • Owner’s Manual • Page 124
Summary of Contents for 21 VLX
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