Marvel Mystery Oil, from the makers of Turtle Wax, is the ultimate in engine protection. It combats rust and corrosion within an engine, as well as lubricating a number of the motors working parts.

WHEN ADDED TO GASOLINE:

Cleans and lubricates fuel injectors and carburetors
Improves gasoline mileage
Reduces and prevents varnish and gum build-up
Extends spark plug life
Safe for catalytic converters and oxygen sensors
WHEN ADDED TO DIESEL:

Increases fuel mileage
Cleans and keeps fuel pumps, injectors and nozzles free from harmful residues
Reduces upper cylinder wear
Promotes longer piston ring life
Retards souring of diesel and lubricates entire engine system
WHEN ADDED TO MOTOR OIL:

Prevents valve sticking and clatter
Fortifies properties of engine oil, prevents breakdown caused by extreme temperatures
Promotes easier cold weather starts
Reduces and prevents acid and sludge formation
WHEN ADDED TO MARINE ENGINES

can be used on inboard and outboard engines
aids in winterizing other engine lubricants
protects against oil congealing
In conclusion, Marvel Mystery Oil is an ideal lubricant for all of your marine engine needs.