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Sierra Marine 2 Stroke Marine Engine Oil

(19 products)

Performing regular oil changes for your outboard engine with Sierra Marine 2-Stroke Marine Engine Oil is crucial for lubrication and optimal performance on the water. PartsVu offers a complete catalog of Sierra Marine Marine Engine Oil for all engine makes and models.

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  • Blackstone Laboratories Oil Analysis Kit - Engine & Transmission Oil Testing, part of the Oil Change Kit collection of PartsVu for F70, F50, F60, T50, and T60 engine

    PartsVu

    Blackstone Laboratories - Oil Analysis Kit - Engine or Transmission Oil Testing

    (6)
    $35.00
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  • Sierra - 4-Stroke 10W-30 Outboard Marine Engine Oil - Gallon - 9420CAT3

    SIERRA

    Sierra - 4-Stroke 10W-30 Outboard Marine Engine Oil - Gallon - 9420CAT3

    $40.11 $41.79
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  • Sierra - Blue Premium TC-W3 2 Stroke Marine Engine Oil - 32 oz. - 6 Pack - 1895002

    SIERRA

    Sierra - Blue Premium TC-W3 2 Stroke Marine Engine Oil - 32 oz. - 6 Pack - 1895002

    $81.48
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  • Sierra - Full Synthetic TC-W3 2 Stroke Outboard Marine Oil - 32 oz. - 95402

    SIERRA

    Sierra - Full Synthetic TC-W3 2 Stroke Outboard Marine Oil - 32 oz. - 95402

    (1)
    $19.22
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  • Sierra - Full Synthetic TC-W3 2 Stroke Outboard Engine Oil - Gallon - 6 Pack - 95403

    SIERRA

    Sierra - Full Synthetic TC-W3 2 Stroke Outboard Engine Oil - Gallon - 6 Pack - 95403

    $423.30
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  • Sierra - TC-W3 Direct Injection 2-Stroke Marine Oil - Synthetic Blend - Gallon - 2 Pack - 95303

    SIERRA

    Sierra - TC-W3 Direct Injection 2-Stroke Marine Oil - Synthetic Blend - Gallon - 2 Pack - 95303

    $115.50
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  • Sierra - Blue Premium TC-W3 2 Stroke Marine Engine Oil - Gallon - 6 Pack - 95003

    SIERRA

    Sierra - Blue Premium TC-W3 2 Stroke Marine Engine Oil - Gallon - 6 Pack - 95003

    $282.24
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  • Sierra - Blue Premium TC-W3 2 Stroke Marine Engine Oil - Gallon - 2 Pack - 95003

    SIERRA

    Sierra - Blue Premium TC-W3 2 Stroke Marine Engine Oil - Gallon - 2 Pack - 95003

    $94.08
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  • Sierra - Blue Premium TC-W3 2 Stroke Marine Engine Oil - 32 oz. - 2 Pack - 1895002

    SIERRA

    Sierra - Blue Premium TC-W3 2 Stroke Marine Engine Oil - 32 oz. - 2 Pack - 1895002

    $27.16
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  • Sierra - Full Synthetic TC-W3 2 Stroke Outboard Engine Oil - Gallon - 2 Pack - 95403

    SIERRA

    Sierra - Full Synthetic TC-W3 2 Stroke Outboard Engine Oil - Gallon - 2 Pack - 95403

    $141.10
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  • Sierra - Blue Premium TC-W3 2 Stroke Marine Engine Oil - 32 oz. - 12 Pack - 1895002

    SIERRA

    Sierra - Blue Premium TC-W3 2 Stroke Marine Engine Oil - 32 oz. - 12 Pack - 1895002

    $162.96
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  • Sierra - TC-W3 Direct Injection 2-Stroke Marine Oil - Synthetic Blend - Gallon - 6 Pack - 95303

    SIERRA

    Sierra - TC-W3 Direct Injection 2-Stroke Marine Oil - Synthetic Blend - Gallon - 6 Pack - 95303

    $346.50
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  • Sierra - TC-W3 Direct Injection 2-Stroke Marine Oil - Synthetic Blend - Gallon - 95303

    SIERRA

    Sierra - TC-W3 Direct Injection 2-Stroke Marine Oil - Synthetic Blend - Gallon - 95303

    $57.75 $63.99
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  • Sierra - Full Synthetic TC-W3 2 Stroke Outboard Engine Oil - Gallon - 95403

    SIERRA

    Sierra - Full Synthetic TC-W3 2 Stroke Outboard Engine Oil - Gallon - 95403

    $70.55
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  • Sierra - Blue Premium TC-W3 2 Stroke Marine Engine Oil - 32 oz. - 1895002

    SIERRA

    Sierra - Blue Premium TC-W3 2 Stroke Marine Engine Oil - 32 oz. - 1895002

    $13.58 $15.59
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  • Sierra - Blue Premium TC-W3 2 Stroke Marine Engine Oil - Gallon - 95003

    SIERRA

    Sierra - Blue Premium TC-W3 2 Stroke Marine Engine Oil - Gallon - 95003

    $47.04 $53.39
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  • Sierra - Full Synthetic TC-W3 2 Stroke Outboard Marine Oil - 32 oz. - 12 Pack - 95402

    SIERRA

    Sierra - Full Synthetic TC-W3 2 Stroke Outboard Marine Oil - 32 oz. - 12 Pack - 95402

    $230.64
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  • Sierra - Full Synthetic TC-W3 2 Stroke Outboard Marine Oil - 32 oz. - 6 Pack - 95402

    SIERRA

    Sierra - Full Synthetic TC-W3 2 Stroke Outboard Marine Oil - 32 oz. - 6 Pack - 95402

    $115.32
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  • Sierra - Full Synthetic TC-W3 2 Stroke Outboard Marine Oil - 32 oz. - 2 Pack - 95402

    SIERRA

    Sierra - Full Synthetic TC-W3 2 Stroke Outboard Marine Oil - 32 oz. - 2 Pack - 95402

    $38.44
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Sierra Marine 2 Stroke Outboard Engine Oil - Resources & Information

2-stroke engines work by mixing fuel and oil together, which is then burned in the engine to generate power. The oil helps to lubricate the internal components of the engine and reduce friction, which helps to improve the overall performance and efficiency of the engine.

Sierra Marine 2 Stroke Marine Engine Oil is specifically formulated for use in 2-stroke marine engines, which are subjected to a wide range of operating conditions and environments. It is made with high-quality base oils and advanced additives to provide excellent protection and performance in 2-stroke marine engines.

PartsVu offers a complete selection of Sierra Marine 2 Stroke Marine Engine Oil for all engine makes and models. Whether you need Sierra Full Synthetic TC-W3 2 Stroke Outboard Marine Oil - Quart 12 Pack, Sierra Blue Premium TC-W3 2 Stroke Marine Engine Oil Quart, and more, PartsVu has what you need to get the job done. 

Need help servicing your boat and outboard engine? PartsVu regularly publishes helpful how-to guides and other valuable maintenance information to help boaters service their outboard engines, boats, trailers, and more. Browse the PartsVu Xchange, our outboard maintenance blog, for a wide range of relevant topics and review the FAQ section below, covering everything you need to know about maintaining your boat in confidence.

Sierra Marine 2 Stroke Marine Engine Oil FAQ

What is TCW3 oil?

TC-W3 oil is a type of lubricant specifically formulated for use in 2-stroke outboard motors, personal watercraft, and other small engines. It is named for the National Marine Manufacturers Association (NMMA) certification it has received, which stands for "Two-Cycle Water Cooled."

TC-W3 oil (sometimes misspelled as “TWC3 oil”) is designed to be mixed with gasoline in a precise ratio, and it contains special additives to help protect against wear and reduce emissions. It is important to use the correct type of oil for your engine to ensure proper lubrication and protection, and to help prevent damage and costly repairs.

Always refer to the manufacturer's recommendations for the type and viscosity of oil to use in your engine. It is important to note that TC-W3 oil is not suitable for use in 4-stroke engines, which require a different type of lubricant.

What is the best 2 stroke outboard oil?

Wondering what the best marine 2 stroke oil is for your outboard? The truth is that there are many different brands and types of 2-stroke outboard oil available on the market, and the best one for your specific engine will depend on the manufacturer's recommendations and your personal preferences.

When selecting a 2-stroke outboard oil, it's important to consider the following factors:

  1. Compatibility with your engine: Make sure to choose an oil that is specifically formulated for use in 2-stroke outboard engines and is compatible with your engine. Consult your owner's manual or the manufacturer's recommendations for specific oil recommendations.
  2. Quality: Choose an oil that is high-quality and meets the performance standards set by the National Marine Manufacturers Association (NMMA). Oils that meet the NMMA's TC-W3 standard are typically considered to be the highest quality 2-stroke oils for marine engines and are widely recommended for use in these applications.
  3. Viscosity: Select an oil with the correct viscosity for your engine. Viscosity is a measure of an oil's resistance to flow and is typically expressed in units of centistokes (cSt). Consult your owner's manual or the manufacturer's recommendations for specific viscosity recommendations.
  4. Price: Consider the price of the oil when making your selection. Higher-quality oils may be more expensive, but they may also provide better protection and performance for your engine.

It's worth noting that different engines and applications may have specific oil recommendations, so it's always a good idea to consult your owner's manual or the manufacturer for specific recommendations.

How much oil for 2 stroke outboard?

The amount of oil required for a 2-stroke outboard motor will depend on the size of the engine and the specific type of oil being used. It is important to refer to the manufacturer's recommendations for the correct oil-to-gasoline ratio for your engine.

Generally, the oil-to-gasoline ratio for a 2-stroke outboard motor is 50:1, which means for every 50 parts of gasoline, you will need to mix in 1 part of oil. For example, if you have 6 gallons of gasoline, you will need to mix in 6/50 = 0.12 gallons (or about 1 pint) of oil.

It is important to measure the oil carefully and mix it with the gasoline in the correct ratio to ensure proper lubrication and protection for your engine. Using the wrong amount of oil can cause engine damage and costly repairs.

What is the best 2 stroke oil for older outboards?

The best outboard oil 2 stroke will depend on the specific needs of the engine and the manufacturer's recommendations. In general, it is important to use a high-quality 2-stroke oil that is specifically formulated for use in marine engines.

When choosing a 2-stroke oil for an older outboard, some factors to consider include:

  1. Viscosity: Choose an oil with the correct viscosity for your engine. Refer to the manufacturer's recommendations for the correct viscosity range.
  2. Detergent and corrosion inhibitors: Look for an oil that contains detergents and corrosion inhibitors to help keep the engine clean and protected.
  3. Compatibility with ethanol-blended fuels: If you will be using ethanol-blended fuels, choose an oil that is compatible with these fuels to avoid potential issues.
  4. Smokeless formulation: Some 2-stroke oils are formulated to produce less smoke, which can be beneficial for older outboards that may be more prone to smoking.

What absorbs motor oil?

There are several materials that can be used to absorb motor oil, including:

  1. Oil absorbent pads, absorbent mats for oil, and rolls: Oil absorbant pads are made from materials like polypropylene or cellulose, which are highly absorbent and can quickly soak up oil spills.
  2. Clay-based absorbents: These are made from bentonite clay, which is highly absorbent and can effectively soak up oil spills.
  3. Oil-only absorbents: These are made from materials that are specifically designed to absorb oil and other petroleum-based substances, but not water. They are often used in marine environments to prevent oil spills from contaminating the water.
  4. Boom barriers: These are floating barriers that are used to contain and absorb oil spills in bodies of water. They are made from materials like polypropylene or polyurethane, which are highly absorbent and can effectively soak up oil.
  5. Sorbent socks: These are long, tube-shaped absorbents that can be placed around oil spills to contain and absorb them. They are made from materials like polypropylene or cellulose, which are highly absorbent and can quickly soak up oil.

It's important to use the right type of absorbent material for the specific type of spill you are dealing with. For example, oil only absorbent pads may not be effective for certain types of spills that other sorbents are designed for.

Why is my 2 stroke outboard smoking?

There are several potential reasons why a 2-stroke outboard motor might be smoking:

  1. Incorrect oil-to-gasoline ratio: If the oil-to-gasoline ratio is incorrect, it can cause excess oil to be burned in the engine, which can result in smoke.
  2. Worn or damaged spark plugs: If the spark plugs are worn or damaged, they may not be firing properly, which can cause the engine to run poorly and produce smoke.
  3. Fuel or oil contamination: If the fuel or oil has become contaminated with water or other contaminants, it can cause the engine to run poorly and produce smoke.
  4. Excessive carbon build-up: If there is excessive carbon build-up in the engine, it can cause the engine to run poorly and produce smoke.
  5. Other mechanical issues: There may be other mechanical issues, such as a stuck or damaged valve, that can cause the engine to run poorly and produce smoke.

If your 2-stroke outboard motor is smoking, it is important to identify and address the root cause as soon as possible to avoid further damage to the engine. For example, using fuel additives can remove carbon build-up and contamination from moisture. In some cases, it may be necessary to take the outboard to a mechanic for repair.

Where can I learn more about using Sierra Marine 2-Stroke Engine Oil on my boat and outboard motor?

PartsVu has plenty of resources for everything you need to know about Sierra Marine 2 Stroke Engine Oil for your boat and all models of popular outboard motors. Start with the following guides and be sure to use the search bar to find plenty of other useful guides to maintain your boat in confidence: