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Engine Fogging Oil (FOG)

 Engine Fogging Oil (FOG)
Product Code: FOG • Brand: AMSOIL

*** This item is available for US customers only ***

Offers superior film retention, providing long-term protection against corrosion and dry starts, extending engine life and reducing operating expenses. Its aerosol spray formulation offers easy and clean applications, while reaching more components and offering better distribution than straight motor oil.

Package sizes include:

12-oz. Aerosol Can
12-oz. Aerosol Cans (case of 6)

See Pricing or Place an Order
MSDS Data Sheet

Product Details

Product Applications

AMSOIL Engine Fogging Oil applications include, but are not limited to, motorcycles, snowmobiles, ATVs, outboard motors, stern drive and inboard marine engines, personal watercraft, lawn equipment, chainsaws, snowblowers, portable generators, hand-held power equipment, motor scooters, powered farm equipment, powered construction equipment, cars and trucks.

*All trademarked names and images are the property of their respective owners and may be registered marks in some countries. There is no affiliation or endorsement claim, express or implied, made by their use. AMSOIL products are formulated to meet or exceed the performance requirements set forth by the manufacturers of all applications shown/listed here.

Product Description

Two- and four-stroke recreational vehicles, hand-held power equipment, small engines and construction and farm equipment are commonly operated seasonally or infrequently, then stored for long periods of time. During these periods of inactivity, and as a result of fluctuations in ambient temperatures, water vapor can form condensate within the engine. When this condensate comes into direct contact with steel and iron components, it forms surface corrosion on cylinder liners, piston rings, anti-friction bearings and steel/iron contact surfaces on rotational seals. Long periods of storage can also dry out cylinders, often resulting in permanent damage when the equipment is taken out of storage and dry-started.

Most two- and four-stroke motor oils are formulated to have an affinity to engine component surfaces, acting as a barrier that keeps condensate from contacting engine components and forming corrosion. However, the effectiveness of motor oil in this area diminishes with time.

AMSOIL Engine Fogging Oil (FOG) offers superior film retention, providing long-term protection against corrosion and dry starts, extending engine life and reducing operating expenses. Its aerosol spray formulation offers easy and clean applications while reaching more components and offering complete distribution of the oil, something especially beneficial in applications with horizontal cylinder orientation, such as outboard motors. Its all-position spray valve allows you to spray at any angle - even upside-down. Consult equipment owners manual for application directions.


Review owner's manual for proper fogging procedure. If unavailable, follow provided directions.

1. Remove engine air filter or air intake housing and start engine.
2. With engine running at a fast idle, spray AMSOIL Fogging Oil continuously into carburetor(s) until presence of smoke from exhaust.
3. Turn off engine.
4. Remove spark plug(s) and spray liberally into each spark plug hole.
5. Slowly turn engine over several times either by hand, rewind or electric starter.
6. Replace spark plug(s) and air filter or air intake housing.


This product is not expected to cause health concerns when used for the intended application and according to the recommendations in the Material Safety Data Sheet (MSDS).

Click here to view the MSDS Data Sheet for AMSOIL FOG.

Keep out of the reach of children. Don't pollute. Return used oil to collection centers.

 Engine Fogging Oil (FOG)

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