If you have a blower that uses a two stroke engine, then it’s a fact of life you have to face as an owner of that piece of equipment – you have to learn how to mix gas for your leaf blower.

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Of course, you can always turn to buying a bottle of pre-mixed gas every time you need to run your blower, but the costs of that will add up really quickly compared to doing your own recipe. All you need to get your leaf blower going is a good quality regular gas and some two stroke engine oil.

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Some gas leaf blowers come with a four stroke engine, and for those, you don’t need to mix oil with your gas. You can just top it up with straight gas and you’re ready to go. If you are not sure what type of engine you have, then you should make time to consult your user’s manual.

Taking the time to read now will tell you a lot of vital things about your equipment – from the right fuel or fuel mix it requires, to the specific procedure of how to start and run it.

So why do manufacturers still stick to the two stroke engines? Despite the lower fuel efficiency, added noise and the need to mix gas and oil to get them running, two stroke engines still hold some advantages over four stroke engines.

Two stroke engines are very simple mechanisms compared to four stroke engines, and they offer a very good weight to performance ratio compared to the latter. Two stroke engines are also a lot more inexpensive to manufacture compared to four stroke motors, as well.

Two stroke engines are simpler and lighter partly due to the lack of a dedicated oil lubrication system that a four stroke engine would have.

That’s the reason why you need to add oil to your gas for two stroke motors in the first place – it’s this same oil that circulates throughout the system to lubricate and protect the moving parts of the engine, as well as its other components such as fuel lines and valves.

How to Mix Gas for Leaf Blower

The first step towards putting together an ideal gas and oil mix for your gas leaf blower is to get the right kind of stuff. You want the right ratio of gas and the right oil that will keep your engine running smoothly for a long time.

Too much gas and you run the risk of not getting enough oil running through the system, which can lead to premature wear and damage to the moving parts of the engine – if it was able to start despite the improper mix, in the first place.

Too much oil, on the other hand, will lead to the engine burning up too much of that oil which comes out as excess smoke. Aside from the breathing hazard of having your gas leaf blower belch up smoke, the excess oil will also tend to prematurely foul up your spark plugs, as well as your other components such as your reed valves and fuel lines.

The majority of leaf blower manufacturers recommend regular unleaded gasoline for their products. Most of them would recommend 87 octane gas or up, with an ethanol blend of 10 percent or less. Ethanol enhanced gasoline mixed with 10 percent ethanol is also commonly known as E10, while E15 fuels contain 15 percent ethanol.

Only use the right type of gas that the manufacturer recommends – most of them calibrate their products for a specific type of fuel, and you will risk shortening the useful life of your gas leaf blower if you experiment with other kinds.

Gas with too much ethanol in it may cause your engine to perform poorly or erratically, if it starts at all. In any case, never put in a high ethanol fuel like E85 in your leaf blower – the same goes for diesel fuels, as well.

Fresh gasoline is ideal for ensuring that your leaf blower runs at its very best. The ethanol added to ethanol-enhanced fuels have a tendency to attract water, and over time, this can cause stale gas to form separate gasoline, ethanol and water layers in their container. Getting that water layer into your engine can cause it to fail to start.

Manufacturers may also recommend specific two cycle engine oils for their motors. There are different types of two cycle oils, so make sure to pick one designed for your motor. To keep your gas leaf blower running at its best, you may want to consider adding the appropriate fuel stabilizer to your mix, as well.

As manufacturers continue to improve on their existing two stroke engine models, the ratio has come down over the recent years. Where older models would call for a richer mix of 32 gas for every unit of oil, newer and more modern engines can now operate with an optimum ratio of 40 to 1, 50 to 1, or even less. This is a good thing, since two cycle engine oil can be a bit expensive.

Oil to Gas Ratio

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Improper fuel mixes and stale fuel are the most common issues when it comes to gas leaf blowers not being able to start. It’s important to get your ratio right not just to extend the life of your equipment, but also to be able to use it in the first place. Before you start mixing, it’s a good idea to review the right oil to gas ratio you will need to put together for the specific model of leaf blower you are using.

Check the user’s manual as to the right ratio. Some manufacturers will also place the ratio on the fuel tank of the leaf blower, or inside the fuel cap.

One easy way to get the oil to gas ratio just right is to use your gas container as your reference, and work out your way from there.

If you have a gallon container of fresh regular unleaded gasoline, then you will be able to figure out how many ounces of two cycle oil you will need for that batch. Making your mix in the gas container also ensures that you will be able to put on a self-venting spout for easy refills, and lets you seal the mixture securely later so that air and humidity will not get to it.

Based on a one US gallon container of gas (which is equivalent to 128 US fluid ounces), you will need 6.4 ounces of oil to get a 20 to 1 mix. A 30 to 1 mix for the same container will require 4.3 ounces of oil. A 32 to 1 recipe is easy to figure out – you will need exactly 4 ounces of oil for every gallon of gas.

40 to 1 ratio is one of the most common for two cycle engines on the market today. To get that from one gallon of gas, you will need to add 3.2 ounces of oil. A 45 to 1 ratio, on the other hand, calls for 2.8 ounces of oil.

Hitachi Cg22easslp Fuel Oil Ratio

50 to 1 ratio is yet another common recommendation for many newer leaf blower models. To get the right 50 to 1 mix, add 2.6 ounces of oil to a gallon of gas. A 60 to 1 mix calls for 2.1 ounces of oil for the same gallon, while an 80 to 1 mix needs just 1.6 ounces of oil.

If you prefer the metric way of measuring things, then you will have to work with liters as your standard. A typical gas can you will usually find is the 5 liter container, which is equivalent to around 1 1/4 gallons.

Getting a 20 to 1 ratio with a 5 liter can of gas is straightforward – you will need 250 ml or 1/4 liter of oil for the whole container. For a 30 to 1 ratio, add 167 ml of oil to the gas. To get a 32 to 1 mix, then that calls for 156 ml of oil.

The typical 40 to 1 ratio is easy to compute in liters. You need 1/8 of a liter, or 125 ml, of oil for every 5 liters of gas. A 45 to 1 ratio, on the other hand, calls for 111 ml of oil.

The 50 to 1 ratio, another common type of mix, is also easily done with liters. You just need to measure out 100 ml, or 1/10 of a liter, of oil for every 5 liters of gas. A 60 to 1 mix calls for 83 ml of oil, while an 80 to 1 mix needs just 63 ml.

Gas Container Sizes

Now that you have the recipe figured out, it’s a good idea to write it down somewhere for future reference – you can sharpie it on a convenient spot on your leaf blower if you need to. And if you base it around the basic one gallon or 5 liter gas containers, then it becomes simple to scale it up for larger gas container sizes.

For gallon containers, you can have 2 gallon, 2.5 gallons and 5 gallon cans in addition to your standard 1 gallon container. For metric users, you may also find 10 liter and 20 liter gas cans in addition to the basic 5 liter unit. Vmware player latest version free download for windows 7 64 bit.

As you scale up to these larger gas container sizes, you just need to multiply the oil needed in your recipe accordingly. If your 32 to 1 mix calls for 4 ounces of oil for a gallon container, for example, then you will simply need to add 8 ounces of oil to a 2 gallon gas container.

Manufacturer's Gas to Oil Ratios

Manufacturers tend to use the same lines of two cycle engines for their products, so they may tend to stick to one or two gas to oil ratio recommendations for their models.

That said, you should always check with the manual on the proper mix for a specific leaf blower, even if you already owned a similar machine from the same manufacturer before.

Ryobi leaf blowers have come a long way from their older models that require a rich 32 to 1 ratio. Most of their newer models use a 50 to 1 fuel mix, which is just 2.6 ounces of oil to the gallon.

Craftsman leaf blowers often include a two cycle engine oil with every purchase of their equipment. Most models from this brand call for a 40 to 1 gas to oil mix, so you will need 3.2 ounces of that oil per US gallon of gas.

Husqvarna, another brand well regarded for their line of gas powered leaf blowers, also recommend a 40 to 1 mix for many of their models. The brand recommends 3.2 ounces of McCulloch oil for every gallon of gas, and they also offer the oil in pre-measured 3.2 ounce containers as well – just open and pour in.

Poulan Pro tools, a manufacturer well regarded for their line of leaf blowers, trimmers and chainsaws, also recommend a 40 to 1 gas to oil ratio for their two cycle products. They also recommend running 87 octane regular unleaded gasoline, as well.

Troy-Bilt, another manufacturer that makes a wide selection of two stroke gardening tools, recommends a 40 to 1 ratio for the models they put out after 2003. That’s 3.2 ounces of two cycle oil with every gallon of gas. Canon f164002 driver download. They also recommend a richer 32 to 1 ratio for their handheld models released in 2002 and before.

Makita’s newer gas leaf blowers go easy on the environment with the 50 to 1 mix that they recommend for their two stroke engine tools. The manufacturer recommends that owners only use Makita two cycle engine oil with premium unleaded gasoline, mixed at a 50 to 1 ratio.

That means using 1/10 of a liter of oil for every 5 liters of gas. Many of Makita’s newer models are of the four stroke variety, though, so if you have one of those, then straight premium unleaded gas is all you will need to fuel one up.

The CS33EB16 16-Inch 32.2cc 2-Stroke Gas-Powered Rear Handle Chain Saw is manufactured by Hitachi, which also owns the Tanaka brand.

Powered by Hitachi’s PureFire 2-stroke engine, the company has come up with a lightweight design which provides an excellent power to weight ratio for optimum performance.

In this review we’ll look in detail at what’s good and not so good about this saw so that you can decide if it’s right for you.

Carry on reading to discover more.

Performance and Handling

Contents

According to Hitachi’s marketing information, the CS33EB16 is a commercial grade saw designed for both professional and homeowner use. That’s a pretty bold claim to make which would put it alongside some big name products. So how does it stand up to scrutiny?

For a gas saw it is reasonably light (weighing around 11lbs.), which means that it offers a decent power to weight ratio. The weight also makes it a pretty easy saw to handle, as does the saw’s five point anti-vibration system designed to increase user comfort. Front handle vibration is measured at 9.2 m/s² and rear handle at 6.7m/s². These values fall into the medium range (anything below 5 m/s² is considered low, 10 m/s² and above high. At these levels you should limit the amount of time spent cutting and should only spend around 35 minutes in each hour period using the saw. These levels do seem on the high side but the figures have been supplied by the manufacturer and so there is no reason to doubt them. If you suffer from any hand complaints, this saw may not be for you. Wearing anti-vibration chainsaw gloves is definitely recommended.

Ramayan in gujarati pdf. In conclusion, if you are used to using similar tools, you will find the Hitachi very manageable.

One complaint with many gas saws is that they can sometimes be difficult to start. This isn’t an issue with this saw with consumers advising that it starts easily. A lot of the literature states that there is a purge prime bulb to help with this. This is not correct. To start you simply need to flick the ignition switch to ON, pull the choke lever into position and then pull the starter cord. When the first ignition is heard, the choke is returned to its original position and the recoil starter pulled again.

The manufacturer advises that it produces a noise level at the operators ear of 92 dB(A). Whilst this isn’t overly noisy for a gas powered saw, prolonged exposure to noise at these levels can lead to hearing damage so if you plan on doing any lengthy cutting, ear protection is recommended.

So what is this chainsaw capable of doing? It is designed for light and medium duty cutting. User feedback suggests that it is easy to use and cuts small and medium sized trees quite well. If you’re cutting wood with a diameter up to 10 inches, you won’t have any problems. However, some users did report that when cutting larger pieces the lack of power meant the saw got a little bogged down and tended to overheat. Other uses also mentioned that the saw lacked the power to support a 16 inch bar and that a 14 inch bar (a 14 inch version is available) is more appropriate.

In summary, it is hard to make a case that this is a commercial grade chainsaw. It struggles when tackling more demanding tasks. That said, it has an excellent power to weight ratio and performs well when carrying out light duty tasks.

Cutting Equipment

The CS33EB16 is equipped with a 16 inch Oregon bar and chain. As indicated above this model is available with a 14 inch bar (CS33EDTP).

Both sized bars are designed for lower kickback and have a sprocket nose. This helps the chain to turn more easily around the bar for better cutting. When maintaining the bar, users will need to grease to sprocket hole at the tip of the bar on a regular basis. You can buy a grease syringe for around $10 to do this.

The chains are also Oregon made. They are low kickback chains with 3/8” pitch and 0.05” gauge (thickness). This is the most popular sized chain currently available as it is both reasonably strong and offers good cutting performance.

The saw has a chain brake (see Safety Features section) and the chain speed is almost 24 m/sec which is reasonable for a saw in this class.

Keeping the chain correctly tensioned is a simple operation requiring use of the tool provided with this purchase. The two bar cover nuts on the side of the saw are loosened and the tension screw (also on the side of the saw) is turned to tighten or loosen as required. This shouldn’t take more than a couple of minutes. As with all new saws, the chain will stretch more when new so users should pay particular attention to the cutting components during the first 30 minutes or so of use.

Ensuring that the chain is kept sharp is also critical for good performance. This should be done professionally if you have no experience of this. Alternatively, if you are used to sharpening your own chains or think that this is something you could learn (Read our article: What size chain do I need for my chainsaw which covers this subject in more detail) then you will need a 5/32” (4mm) round file and holder together with a flat file and guard.

Design and Construction

The Hitachi CS33EB16 has a traditional rear handle design. The outer casings are made from hard plastic (which helps keep the weight down) and the engine has a chrome plated cylinder and forged steel connecting rod, plus a heavy duty oiler for extra durability.

The picture below provides a view of the left side of the saw. There are no unusual features here. The trigger switch and lockout levers are on the rear handle. Both the oil and fuel tank caps are large and easily accessible which should make filling up easy. There is a full wrap front handle which allows easy cutting at different angles and just in front of this a hand guard, which when pushed forward acts as the chain brake.

The image below shows the position of the ignition switch and choke lever. As part of your maintenance program you will need to occasionally clean the air filter and spark plug. Access to this is straightforward and users simply need to turn the locking button to remove the cover.

The final image shows the position of the bar cover nuts and tensioning screw.

The saw does not come fully assembled. You will need to attach the bumper spikes (optional) as well as the bar and chain. Full instructions are provided on how to do this.

32cc PureFire Engine

Power is provided by Hitachi’s 32.2cc PureFire 2-stroke engine, designed for lower emissions. It is able to provide 1.6 HP and whilst this is okay, it doesn’t really justify the ‘commercial grade’ tag.

In terms of fuel, you will need to use a mix of gas and genuine 2-cycle oil. The manufacturer recommends a ratio 50:1. The gas should be a minimum 89 octane (the higher octane the better) and have a low or no ethanol content. High ethanol content in fuel has been known to damage engine components and at the very least will result in poor performance. Using a premix oil is an option if you are uncertain about the type of fuel to use.

The fuel tank capacity is 0.75 US pint and the fuel consumption is rated at 500 g/kWh. In effect this means that you will use around 0.8 liters (0.2) gallon per hour when the saw is at minimum revs of 3,100 rpm. The maximum revs on this saw is 12,500 rpm.

Chain Oil System

Another important aspect of chainsaw operation is keeping the cutting components properly lubricated. The Hitachi has an automatic oiling system so users don’t need to remember to manually release the oil to the bar.

A good quality bar and chain oil should be used and this is added through the cap on the side of the saw. The oil reservoir itself has a capacity of 8.5 oz. (250ml), which is a decent size compared to other saws.

A couple of reviewers mentioned that the CS33EB16 leaks a lot of oil during storage. This is a problem which affects many saws and if you find your saw leaking, the best solution is to ensure you drain the tank before storing.

Safety Features

The CS33EB16 is equipped with a variety of safety features, including:

• Oregon bar and chain designed to reduce kickback.

• A chain brake which will activate in the event of serious kickback. The brake is activated by pushing the front hand guard into the forward position. It is designed to stop the saw immediately.

• Chain catcher. This small device on the underside of the saw is designed to stop a slipped or broken chain hitting the operator.

• Hand guards which prevent the operator’s hands from coming into contact with both the chain and any flying debris.

• Throttle trigger lockout switch which prevents the accidental operation of the throttle trigger.

• Spiked bumper. This acts as a pivot when in contact with the log to provide more stable cutting.

Whilst the safety features will help to keep the operator safe to an extent, it is recommend that appropriate safety gear is worn at all times. This, along with the proper operation of the saw will ensure the user remains safe.

Dimensions

One of the Hitachi’s unique selling points is its good power to weight ratio. This saw weighs 8.4 lbs. without the cutting equipment. With the cutting equipment attached the weight will be around 11lbs. which is one of the lightest gas saws you will find on the market for sale.

Accessories

The CS33EB16 comes with an operator’s manual, guide bar cover and tool to be used when changing the spark plug and adjusting chain tension.

• Very light for a gas saw

• Good power to weight ratio

• Starts well

• Automatic oiling system

• 7 year warranty

• Slightly underpowered with 16 inch bar

• Can overheat during heavy cutting

• Leaks oil during storage

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Consumer Ratings

There are over a hundred reviews online for the Hitachi, with almost 70% rating the product as either excellent or good.

Users liked the fact that the saw is lightweight and easy to handle, as well as the fact that it is easy to start. Consumers were also pleased with its performance, especially on smaller cutting tasks.

Some consumers felt that the saw is a little under-powered with the 16 inch bar and chain and that the 14 inch bar is more appropriate. Others mentioned that the saw can overheat when making more demanding cuts on larger logs and trees so care should be exercised not to over tax this saw.

You should buy this saw if:

• You want a gas saw for light cutting duties

• You want a lightweight, manageable gas saw.

You should not buy this saw if:

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• You have a lot of heavy duty cutting

Price and Recommendation

​Check out price on Amazon.