Yamaha EF2400iSHC Portable Generator Review

Yamaha EF2400iSHC Portable Generator

Yamaha EF2400iSHC Generator

The Yamaha EF2400iSHC portable generator can give you 2,000 watts of continuous power and can surge up to 2,400 watts it is relatively lightweight, very quite, fuel efficient, compact and,stylish, and comes in a the usable continuous 2000 watt size range.

Yamaha is a company well known for its motorcycles and engines. They are known for the quality and reliability of their products. So too are their generators, they are built to withstand rugged use and deliver what they promise without compromise.

Yamaha manufactures both generators as well as power inverters. The difference between the two is that inverters give out clean electricity much like what you get from the utility companies and these inverters are compatible to running sensitive electrical equipment that has built in micro chips or computers.

Power Output and Generation

The Yamaha EF 2400iSHC portable generator can give you 2,000 watts of continuous power and can surge up to 2,400 watts.

The 2,000 watts of electrical power that it generates uses Pulse Width Modulation, this means that this electrical power is just as clean as that supplied by utility companies and can power sensitive computers and micro chip equipped equipment.

It has a smart throttle feature which automatically adjusts the engine speed to match the loads. At surge load the engine only runs at a maximum of 3400 rpm.

The EF2400iSHC generates power with a smooth running unleaded gas powered 171cc (5.5HP) overhead valve (OHV) 4 Stroke air cooled Yamaha engine which drives an inverter generator. It is an aluminum die cast frame with a cast iron cylinder liner which helps keep it lightweight, cool and giving it a long life. The outside case being aluminum is good making it heavier than the typical plastic casings used in similar size units.

This unit meets the California Emissions Rating and therefore is CARB Compliant at an index of 3. It has one of the best and longest emission engine durability ratings issued by the environmental boards.

Output:

The rated continous output is 2000 watts AC, with a maximum of 2400 watts. Since it is only equipped to provide 120V that it handles 16.7/ 20 amps respectively.

It also has a DC outlet which can supply power at 8 amps which can recharge your car or RV batteries and comes with a 12V charge cord. It is possible to use both DC and AC power, but the total wattage must be below the rated output (2000W)

Video Summary Review:

Fuel Type and Noise Levels:

The Yamaha EF 2400iSHC portable generator runs on unleaded gasoline, it has a fuel tank of 1.6 gallons (6.3L) which gives it a capacity to run for up to 8.6 hours at 25% capacity. and and 6.5 hours at 50% capacity.

Yamaha has the Smart Throttle Load feature. It automatically regulates engine speed subject to output need, thus providing greater overall efficiency and fuel savings. As compared to the iS models that have an economy mode, it still accomplishes the intent of lowering engine rpm and power needs.

The fuel tank also has a fuel gauge allowing the “at-a-glance” level indication. Also there is a fuel tank filter which prevents larger particles from entering the tank. This unit has a fuel shutoff valve, This is typically a feature lacking in some other brands.

Oil requirements: The unit does not require mixing oil with gasoline. The oil drain plug and fill port are behind covers. This is nice for keeping them out of the way, but can produce problems with spillage if you’re not careful; a long funnel is recommended. Oil recommendations are the typical SAE 10W-30 or 10W-40 oil and add 0.63 Quarts ( a little over a pint) (.6L).

Also note that the drain plug is recessed and a 12 mm socket is required to remove it.

Noise:

One top feature is the Noise Reduction for very quiet operation.This generator for its size and power output is very quiet putting out between 53 and 58 dB of noise. Actual published values are 87.5 dB for the ISO3744 test conditions (worst case scenario for surface enveloping the noise source). And for the 7 meters (~23 ft) is 54.5 to 61 dB(A), This is very quiet and will be a simple background noise.

One customer compared noise level to a 5000 BTU AC unit or a large fridge.

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Dimensions and Weight

Yamaha EF2400iSHC Portable Generator Side View

Yamaha EF2400iSHC Side view

The Yamaha-EF2400iSHC-Portable-Generator has dimensions of 20.7 x 16.5 x 18.1 inches and weighs in at 75lbs. Even with gas and oil you have under 90 lbs. Moveable by one strong person and easily by two folks.

This makes this generator quite compact.This translates to medium size cooler that is about 1.5 ft plus on each side. so I storage space of under two 2ft square and high is all that is needed for this unit.

Typical Uses and Needs

This Yamaha generator with its high current output is designed specifically to start electric motors and air conditioners.

It also uses Pulse Width Modulation which produces high quality electricity and can be used to power sensitive computer controlled equipment without damaging it. This makes this generator not only useful for everyday purposes but you can even use it to run equipment which use micro chips.

With a continuous output of 2,000 watts and a surge output of 2,400 watts this generator can power 120 volt equipment which need up to 16 amps of electricity. This makes this an ideal generator to have as a back up source of power for your home at times of power outages to run your essential equipment.

It is also an ideal source of power on your camping trips, to be used in a RV or a boat or even that cabin in the woods. This little generator can be used even to power tools on a job site or anywhere you need electricity when there is none available.

Display & Control Panel, Start-up

Yamaha EF2400iSHC Portable Generator Control Panel

Yamaha EF2400iSHC Control Panel

The display and control panel of the Yamaha EF2400ISHC generator is very simple to understand and operate.

When you face the generator you have the Engine ON/OFF switch on the top left hand side. Below that you have a small bolt which is the ground terminal. Next to the right you have the 12 volt DC receptacle and to the right of this receptacle you have the DC outlet protector which is like a circuit breaker. Then you have above the two 120 volt receptacles a low oil warning light and next to that you have the AC pilot light and last you have the overload indicator light.

Start Up

The Yamaha-EF2400ISHC-Portable-Generator uses a recoil pull rope system to start the engine. Here are the steps that you must take to start the generator.

  1. The generator needs to be placed on a level surface and no loads should be connected to it.
  2. Turn the fuel cock to the ON position.
  3. Pull the choke lever till it is in the out position.
  4. Turn the engine switch to the ON position.
  5. Pull the recoil starter slowly till it engages the engine, then pull on it sharply.
  6. When the engine starts, let it warm up till it keeps running with the choke lever is returned to the close position.
  7. Close the choke by pushing the lever to its original position.
  8. Now you can connect loads to the generator.

Shut Down

  1. Disconnect all electrical loads from the generator.
  2. Turn the engine switch to the OFF position.
  3. Turn the fuel valve lever to the OFF position.

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Additional Features

Here is a list of the features of the Yamaha-EF2400ISHC-Portable-Generator.

  1. It has a high current output that is designed specifically to start motors and air conditioners up to 13,500 btu even at temperatures of 110F.
  2. It uses Pulse width modulation to produce clean power which can be used to run sensitive equipment.
  3. It has a smart throttle feature that lets it adjust the engine speed to match the electric load.
  4. It has a low oil watch system that prevents engine damage due to low oil conditions.
  5. It has an OHV engine with a cast iron cylinder liner to ensure long engine life.
  6. It has a removable back access panel for easy servicing.
  7. It has a fuel gauge that lets you know how much fuel is available.
  8. It also has an aluminum die cast frame which is strong and at the same time lightweight.
  9. Comes with a 12volt DC cable as standard equipment.
  10. It is comparatively quite as compared to other generators with a noise level of 58 db.
  11. It is legal in all the 50 states and meets all emission levels including CARB.
  12. Warranty covers the entire generator for defective parts and labor for 3 years.

Add to Cart>> Yamaha EF2400iSHC 2,000 Watt Portable Generator

Care and Maintenance and Use

Yamaha EF2400iS Cover Removed

Cover Removed

To get the utmost out of your generator you need to do periodic inspection and maintenance to keep your generator in the most efficient condition. Here are the guidelines as suggested by Yamaha.

Before operating the generator you need to check the fuel level and also if there are any leakages. Check the oil level.

First 20 hours or one month of operation

  1. Change the engine oil after the break in period.

6 Months or after every 100 hours of Operation

  1. Check the spark plug, clean or replace if necessary.
  2. Replace engine oil.
  3. Check air filter, clean the air filter. If using the generator in dusty conditions or humid conditions the air filter needs to be checked and cleaned more often.
  4. Check the muffler screen. Clean it or replace it as necessary.
  5. Spark arrester needs to be checked and cleaned or replaced if necessary.

12 Months or after every 300 hours

  1. Clean or replace the fuel filter.
  2. Check the breather hose for cracks or damage. Replace if necessary.
  3. Check and decarbonize the cylinder head. May need a Yamaha dealer to perform this service.
  4. Check and adjust the valve clearance. May need a Yamaha dealer to perform this service.

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Warranty and Repairs

At the manufacture site and in the owners manual The Yamaha-EF2400ISHC-Portable-Generator is covered by a 3 year warranty from date of purchase for all defects in parts and the labor to replace them. This is one of the best warranties in the industry.

If utilized for commercial or rental applications the warranty period will be two (2) years.

The full warranty is explained in the owners manual. It covers some specifics about emission control which is only 2 years compared to the 3 overall. Warranty is also transferable but does require an inspection and registration through an authorized Yamaha dealer. It also needs to be done withing 10 days of transfer.

The usual EXCLUSIONS include parts replaced due to normal wear or routine maintenance.

Although the Yamaha Service network isn’t as large as some of the other brands they are reasonably located but could cause extra expense and your time utilize them.

Consumer Comments

This generator is rated at 4.7 stars out of 5 on Amazon with about 85% giving it a 5 star rating. The customers who bought this generator really liked it both for its performance as well as for its low noise levels.

Here are a few generalized statements from people who bought this unit.

  • Quite
  • compact
  • reliable
  • super easy to start.
  • gets the job done
  • runs multiple appliances without a hitch
  • seems to be better built than a similar competitors machine. Better fittings and minor parts.

At this size the customers that used good power management could run what they needed when they needed it.

A couple of customers noted they have had this model unit for a few years with good use and the unit is still running strong.

There are hardly any comments on the negative side. Noting that one person had an issue with service and another didn’t know how to check a/c watts so it wouldn’t run their unit. Also noted that you may want to check that all assembly is tight as there were mention of loose bolts and pour panel seating.

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Pros & Cons

Pros

  1. Compact and stylish
  2. Starts very easily.
  3. Is very quiet as compared to other generators.
  4. Delivers clean electrical power up to 2,000 watts continuously and can surge up to 2,400 watts to start up electric motors or AC units.
  5. It is very fuel efficient.
  6. Has a smart throttle which lets it match the engine speed to the load making for a very economical generator.
  7. Legal in all 50 states and is CARB compliant.
  8. Has a cast iron cylinder sleeve for long and efficient engine life.

Cons

  1. It is an expensive generator.
  2. At 75 lbs it is quite heavy for its size, yet still portable for shot distances.
  3. Fuel lever is plastic and in cold weather can break more easily.

Price

Street price for (check here for latest Price) Yamaha EF2400iSHC Portable Generator is below $1400.

Given the reliability, the Yamaha reputation, ratings, the efficiency and the ability to deliver clean power that can also run sensitive equipment, this generator is well worth considering in this price range. You are paying for a quality built product that services a specific niche in compact size, quietness, and durability.

Why do the Yamaha generators cost more?

These generators are more expense to produce related to the inverter generator setup and the compact design / construction. It requires far more effort to get a compact design and get it right.

Generally speaking you have to shell out more dollars for the effective design and higher quality of a compact portable generator. That’s added value compared to a simplified design which is put together to generate watts at a low price point.

Accessories

Accessories for this generator include a generator cover from Yamaha which would keep your generator free from dust and moisture when not in use. Yamaha also has a wheel kit which you can install on this generator to make it easy to move around. Yamaha also has a hour meter/ tachometer which can be used with this generator to know exactly how many hours you have been running the generator.

There are a number of accessories you you’ll may need or wish to have when picking up this generator:

  1. GYTR Deluxe Hour Meter & Tachometer
  2. Yamaha ACC-GNWHL-24-00 Generator Wheel Kit for EF2400iSHC/EF2400iS Yamaha Inverter
  3. RV Generator Cover, 2400W by Yamaha
  4. Reliance Controls THP103 AmWatt Generator Appliance Wattage/Amps Load Tester
  5. Conntek 1F515520 1-Foot 15-Amp to 20-Amp Power Adapter Cord NEMA 5-15P to 5-15/20R 1F515520

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Summary

Yamaha EF2400iSHC Portable Generator

Yamaha EF2400iSHC Portable Generator

The Yamaha-EF2400ISHC-Portable-Generator is one of the best generators that you can find. It is a very reliable, quiet and fuel efficient generator. It is specially designed to start motors and AC units and it also delivers very clean power so that you can run sensitive equipment without worry.

This unit is designed to give you continuous power at 50% load for up to 6.3 hours on only 1.6 gallons of fuel. It is an ideal generator to have as a back up in times of emergencies at home, though it is the perfect companion for camping or using in a RV or anywhere where you need electricity when it is not available.

With the 75 lb weight it is manageable, however a wheel kit or maybe a hand truck or flat cart may make it more appealing for the weaker of us.

The higher price of this unit provides a quality compact portable generator which can handle a multitude of service efficiently, effectively, and economically. You’re paying for quality and and long term reliability here not for just generating watts.

Our recommendation is if you have a need for using a generator a lot and total load is in the 1000W to 2000W range this is a good capital investment.

Similar Generation Units:

The following Yamaha Generators are similar to the above but at different wattage sizes

 Yamaha EF2800i 2,500 Watt  Portable Inverter Generator (CARB Compliant)

Yamaha EF2600 2,300 Watt Portable Generator (CARB Compliant)

Yamaha EF4500iSE 4,000 Watt Portable Inverter Generator With Electric Start (CARB Compliant)

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