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Much like your vehicles and trucks, your 2 cycle jet skis need proper care too. This includes using the correct engine oil when maintaining your watercraft.
You won’t be doing yourself any favors by simply picking the first or cheapest engine oil you come across. Ideally the oil you use must not only protect your watercraft’s engine but also improve its overall performance.
What’s the end goal? To ensure that your jet ski lasts long with minimal repairs in-between. Do you own a 2 cycle jet ski? We give you our top two picks of jet ski oil worth considering. We’ve also included a mini-buying guide to help you make the right decision for your watercraft’s engine needs.
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A Little Info on 2 Cycle Oil
What is 2 Cycle Engine Oil?
Jet skis either have 2 or 4 cycle engines. 2 cycle engines basically complete a power cycle with two strokes of the piston. And they need 2 cycle engine oil to function optimally. On the other hand, with a 4 cycle engine, the piston completes the cycle in four consecutive strokes.
2 cycle engine oil is usually mixed with gasoline and its core purpose is to lubricate your jet ski’s engine.
Why You Need 2 Cycle Jet Ski Oil
Engines, whether for cars or watercrafts, are subjected to excessive friction, heating and corrosion during operation.
As such, lubrication is essential to ensure smooth operation and to lengthen the engine’s lifespan.
Also, most jet ski oils contain detergents that work by cleaning the engines’ moving parts which minimizes rust and corrosion.
Overall, using this oil also improves the load-carrying capacity of your jet ski’s engine.
Types of Jet Ski Oil
Know that there are different types of jet ski oil at your disposal. Each of which offer different functionalities. We differentiate the types below so that you’re better able to pick the right one for your specific needs:
This type is made up of a combination of synthetic and organic compounds. As a result, synthetic oil generally burns cleaner compared to other types. Synthetic oil is more effective at removing carbon deposits that accumulate in the engine over time. This oil offers the best performance which is why it’s the most expensive of all 2 cycle jet ski oil types.
This bio-degradable oil is made up of all-natural components. It’s a budget friendly option that allows you to get the most out of your 2 cycle jet ski.
Conventional oil comes from crude oil. It does provide some form of engine protection against rust and corrosion, but it offers the least performance compared to the other two. As such, it’s not ideal to use in high performance engines that operate under extreme temperatures. Rather use this oil on smaller boats with small engines.
What to Keep in Mind When Choosing 2 Cycle Jet Ski Oil
You’re likely to come across numerous brands during your search for the right oil. If you’ve never bought jet ski oil, the selection process can be overwhelming. To help make the process of picking a 2 cycle jet ski oil a quick and simple one, we encourage you to ask the following questions before you buy.
What’s the Intended Application?
You need to first figure out where you want to use the oil. Do you want to use it in high performance or small engines? Pick synthetic oil for high performance engines and castor oil for small boats.
What Additives Does It Contain?
Check the additives that are found in the oil before you buy. Different additives offer varying functions.
Additives can clean engines, minimize carbon deposits accumulation or stabilize fuel. What are you hoping to achieve?
Is the Oil Compatible with Your Engine?
Not all 2 stroke engines are compatible with your watercraft. You can easily find information regarding compatibility in your watercraft’s user manual.
Make sure that you pick oil that can be mixed well with the fuel for optimum performance.
Our Top 2 Cycle oil Picks
MAGNA Marine Synthetic Blend 2 Stroke TC-W3 DFI- Quart (3)
- Designed for All 2-Stroke Applications.
- MARINE PERFORMANCE 2-STROKE TCW3 DFI - Meets all requirements of the leading manufacturers of outboards, personal watercraft, snowmobiles, motorcycles, and other 2-stroke water- or air-cooled applications that specify the use of NMMA TC-WII or TC-W3 or API TC oils in either premix or direct fuel injected 2-stroke applications. This category 3 oil provides protection down to —25° C (-13° F).
This synthetic 2 cycle oil is designed to offer superior engine performance. But despite being a marine oil, you can also use it on your motorcycles and snow mobiles thanks to its versatility.
This oil is designed to provide your jet ski with maximum protection during operation. As a result, you can expect to ride your boat for longer before it starts showing signs of wear and tear.
This oil is also formulated to lubricate your watercraft’s engine parts. As such, you can expect smooth engine operation from your jet ski.
Pick this oil if you want to use it on any horsepower outbound or water-cooled engines. Being synthetic engine oil, you can expect peak engine performance from your jet ski.
Also, the oil will effectively minimize rust formation. Your jet ski won’t produce much smoke during operation if you use this oil.
Finally, the oil protects your engine from carbon deposits accumulation which is known to adversely affect acceleration and overall power.
What We Like
This is extremely high quality oil that won’t damage your jet ski’s engine over time.
We like that this oil is designed to maintain optimum performance in most 2 stroke engines. Only industry approved formulations are included in this oil and they come directly from some of America’s top blenders.
Unlike other oils that aren’t recommended for use in watercrafts by many manufacturers, using this oil won’t void any warranties.
Pouring this oil into your jet ski’s engine will be effortless and not in the least messy. This is thanks to the innovative built-in funnel system included on the bottle. No need to worry about spilling oil all over your boat during the oil-changing process.
We like that this oil is very reliable. People have used it on their watercrafts for years and have yet to experience any problems.
What We Don’t Like
Being synthetic oil, it’s on the pricy side. But it’s still considerably cheaper compared to products offered by other brands such as Yamaha.
- Improves engine performance
- Reduces rust
- Cleans carbon deposits
- Easy to use
- Slightly pricy
AMSOIL Full Synthetic HP Marine 2-Stroke Oil 1 Quart
This is yet another high quality full synthetic marine oil which you can use on your 2 cycle jet ski—particularly the older models. By using this oil, you can expect maximum engine performance from your watercraft.
This oil is designed to improve combustion efficiency within your watercraft’s engine. This in turn improves engine power that many boating enthusiasts crave. If ever you feel that your jet ski’s performance is sluggish, use this oil to instantly boost its power.
Compared to other engine oils, this brand contains a leaner gas to oil ratio.
This means that this brand is formulated to improve cylinder lubrication and minimize the amount of oil that’s burnt during engine operation. The end result is reduced smoke emission which minimizes pollution.
As your watercraft moves, its engine tends to become very hot especially in powerful motors. The heat unfortunately makes the engine more susceptible to deposit accumulation resulting in increased wear & tear.
This oil is designed to curb exactly that. Because AMSOIL oil fares well under such harsh conditions, it’s ideal to use in high performance engines.
The same oil is also designed to protect your watercraft’s engine against rust accumulation. Rust build-up in engines adversely affects overall operation and shortens engine lifespan. It’s safe to say that by using this engine oil, you can significantly improve and lengthen your engine lifespan.
What We Like
We like that AMSOIL HP oil is compatible with both mineral and synthetic type 2 cycle oils. But note that it’s recommended to keep mixing of 2 cycle oils at a minimum.
We absolutely love the exclusive synthetic formula used to make this oil. It lubricates your jet ski’s engine parts effectively to prevent damaging friction that occurs between moving parts.
Also, we love how it’s formulated to maintain a strong lubricating film even under severe conditions. This helps your jet ski last for longer.
Aside from protecting your watercraft’s engine, this oil contains advanced cleaning additives. Your jet ski’s engine is cleaned in the process to prevent deposit accumulation. How?
As you’re probably aware, a dirty engine directly translates to a poor performing one. HP marine oil contains properties that prevent ring deposits which are known to cause sticking and jacking inside the moving parts.
Also, deposits tend to stick on your jet ski’s exhaust ports. This oil prevents that likelihood resulting in reliable and efficient operation of your watercraft’s engine.
What We Don’t Like
Again, much like the product reviewed above, this oil is slightly pricy. You can get cheaper alternatives on the market. But do they offer the same impressive features that are found in this product? That can’t be guaranteed.
- Protects against heat
- Protection against wear & tear
- Low smoke emissions
- Protects against rust formation
- Cleans engine
- Slightly pricy
Frequently Asked Questions
Which oil is best for my jet ski engine?
What you need to realize is that jet ski engines generally operate under extremely harsh temperatures and environments. You want to pick engine oil that’s designed to withstand such conditions to prevent premature damage of the engine.
Make sure that you pick oil that has the necessary additives to protect your engine. But to know the exact oil you must use in your particular model, cross check first with your watercraft’s user manual.
How often must I change oil in my jet ski?
Again, this information is best explained in your respective jet ski user guide. It’s encouraged to adhere strictly to the mentioned maintenance timeframes to avoid damaging your jet ski.
Changing the oil too early is simply a waste of money. What of changing too late? You risk premature engine wear & tear which can be costly to repair in future.
What is the recommended oil to gas ratio in jet ski engines?
You’ll discover that most jet ski oils are mixed with gas to influence the lubrication process and overall performance.
Ideally the oil you pick should have a 50:1 oil to gas ratio if you expect maximum engine performance. But first check with your user manual or visit the manufacturer’s site to get the exact specifications.
We highly recommend these two picks if you want your 2 cycle jet ski watercraft to last long. And because they’re both synthetic types of oil, you’re guaranteed exceptional engine performance and reliability.
The oil you pick must protect your jet ski’s engine from rust, corrosion or deposit accumulation that affects its operation. The two brands of oil reviewed above provide exactly that.
With that said, do you think one of these oils will work for your watercraft? Just be sure to first check with your user manual to determine if either brand is indeed compatible with your model.
Last update on 2021-05-09 / Affiliate links / Images from Amazon Product Advertising API