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E-TEC G2 115 H.O.


Brief Summary

Evinrude has announced the addition of three mid-range engines to their G2 lineup: the 150 HP, 140 HP and the subject of today’s report, the 115-HP HO. The Evinrude E-TEC G2 115-HP H.O., which stands for High Output, (10% above the engine’s horsepower rating), has additional features the other new 3-cylinder engines do not. All the new 2-stroke G2s have the ability to be steered via wheel with Evinrude’s built-in hydraulic steering, but the 115 is also available with tiller steering.

Key Features

  • Cleanest emissions, 3-star CARB rated
  • Industry leading 2-stroke torque
  • Designed to run on regular 87 octane gas
  • Fly-by-wire DTS controls
  • Built-in oil reservoir – never needs oil changes
  • iTrim automatic engine trim
  • ICON touch screen engine display

Specifications

Type of Engine 2-Stroke
Number of Cylinders 3
Horse Power 115
Configuration
Weight 390.00lbs
Fuel Type Gasoline
Fuel Delivery Fuel Injected
Shaft Length Options 20" (508 mm), 25" (635 mm)
Shift Throttle Control
Displacement 0.00cu in
Steering Control
Recommended Fuel N/A
Alternator Output Net Amps 14 idle / 22 wot
CARB Rating
Engine Monitoring System

Captain's Report

Captain's Report by Capt. Peter d’Anjou

Evinrude 115 HP H.O

The high-output Evinrude E-TEC G2 115-hp generates nearly 126-hp as allowed by SAE.

Mission

Starboard quarter cruise

Evinrude has designed a new tiller to steer the H.O. motor. It also has internal hydraulic steering, standard for boats with wheel steering.

Evinrude’s goal was to bring previous G2 technology to the 115-hp to 150-hp level. The new 115 H.O. engine incorporates digital throttle and shift, direct fuel injection, and internal steering like the other G2s, all of which is previously unheard of in this horsepower range.

These engines have more torque than their 4-stroke contemporaries as well as better emissions and fuel efficiency, plus all the features of their larger G2 forebears.

V-MAX Vs. Evinrude E-TEC

Independent torque tests with load cells showed that Evinrude two-strokes have more pulling power than comparable horsepower 4-strokes.

The new engines, including the E-TEC G2 115 H.O., the E-TEC G2 140, and the E-TEC G2 150, fill a need in the market where the four-stroke outboards just don’t have the torque needed to power the beamier, equipment-loaded boats that boaters are finding on the market today.

The standard G2 engine features are complemented by cost-effective repower options such as the ability to continue to use existing external hydraulic steering and even old cable Teleflex steering in place of Evinrude’s internal steering.

Shifter/Grip

The shifter is located right behind the twist-grip throttle on the tiller arm version of the E-TEC G2 115 H.O. The ignition key is at the base of the tiller arm.

Distinguishing Features

  • Tiller steering or built-in dynamic power steering
  • 3-cylinder powerhead
  • Direct fuel injection into the cylinder

Major Features

  • Beefed up lower-end gears with expansion oil reservoir
  • Magneto charging system
  • Focused engine mounts
  • One-Touch winterization

Inside engine

Evinrude’s 115 H.O. has G2 features similar to its 3-cylinder mid-range family, but unlike the 150 it does not have the RAVE exhaust system.

BRP name plate

The BRP nameplate on the back of this new 3-cylinder engine is Evinrude’s parent company, Bombardier Recreational Products.


Evinrude’s 115-HP is an H.O., or high-output model, so the Society of Automotive Engineers, which sets standards, allows HO engines to generate up to 10 percent more horsepower than is on the nameplate designation.

Evinrude E-TEC

Evinrude E-TEC G2 115 H.O. weighs 390 lbs. (177 kg) and has an excellent power-to-weight ratio.

Because it’s built with an all-new two-stroke, 3-cylinder powerhead, this outboard weighs in at just 390 pounds. Some 115-horsepower outboards are lighter, but they produce 10-percent less horsepower and don’t include an integrated power steering system.

Performance

BoatTEST tested four different boats with the new Evinrude E-TEC G2 115 H.O. engine, all with different applications. Let’s first have a look at how each performed.

Evinrude E-TEC G2 115 H.O: Bass Boat

Vexus

The Vexus AVX1880 had a test weight of 2,084 lbs. (945 kg).

First, we tested the E-TEC G2 115 H.O. on an obvious choice for this horsepower: a bass boat. The Vexus AVX1880 has a LOA of 18’10” (5.74 m) and a beam of 7’11” (2.41 m). With an empty weight of 1,500 lbs. (680 kg), 24 gallons (91 L) of fuel and two people onboard, we had an estimated test weight of 2,084 lbs. (945 kg).

Full throttle

The bass boat achieved WOT of 50 mph at 5750 rpm.

With a single Evinrude E-TEC G2 115 H.O. outboard powering our test boat, the Vexus AVX1880, we reached a top speed of 50 mph (80.5 kph) at 5750 rpm. Best economic cruise came in at 3000 rpm and 26 mph (41.8 kph). It was at that speed that the 3.3 gph (12.5 lph) fuel burn translated into 7.9 mpg (3.35 kpl) and a range of 227 statute miles (365 km).

acceleration

The bow of the Vexus came up when the throttle was initially punched but quickly came level.

For acceleration, the Vexus AVX1880 got on plane in an average time of 3.4 seconds and went from zero to 20 mph in an average of 5.6 seconds.

Acceleration

Time-to-Plane:  3.4 seconds

0 to 20 MPH:    5.6 seconds

idling

A quiet time on the water when at idle, the 115’s exhaust goes through the muffler and upper exhaust on the back of the engine. Above idle the engine exhausts at the propeller hub.

Another feature of the outboard that revealed itself on our test: bass-boat designs place the driver quite close to the engine. At cruising speeds, we recorded decibel readings in the mid 80s which is generally the same or quieter than 4 and 6 cylinder engines, even though this is a 2-stroke engine. The old saw that 2-stokes are louder than 4-strokes doesn’t hold for the new E-TEC G2 115 H.O.

Evinrude E-TEC G2 115-HP HO: Bay Boat

Blazer bay

The Blazer Bay 1900 had a test weight of 2,402 lbs. (1,090 kg).

Next Up, was a Bay Boat. We tested the E-TEC G2 115 H.O. on the Blazer Bay 1900 with a LOA of 18’8” (5.69 m) and a beam of 7’8” (2.34 m). With an empty weight of 1,400 lbs. (635 kg), 32 gallons (121.1 liters) of fuel and two people onboard, we had an estimated test weight of 2,402 lb. (1,090 kg).

Performance test

The Blazer Bay 1900 is shown with the Evinrude E-TEC G2 115 H.O. during performance tests.

With a single Evinrude E-TEC G2 115 H.O. outboard turning a 14.5” x 19” (36.83 x 48.26 cm) RX3 prop, our Blazer Bay 1900 test boat reached a top speed of 42.6 mph (68.5 kph) at 5230 rpm. Best economic cruise came in at 3500 rpm and 27.5 mph (44.3 kph). It was at that speed that the 4.8 gph (18 lph) fuel burn translated into 5.8 mpg (2.46 kpl) and a range of 167 statute miles (268 km).

full throttle

The Blazer Bay achieved a WOT speed of 42.6 mph.

Hull shot

Hull shots for the Blazer Bay 1900 proved consistent with our acceleration tests from the other boats – each was on plane in under 4 seconds.

For acceleration, the Blazer Bay 1900 got on plane in an average time of 3.5 seconds and went from zero to 20 mph in an average of 4.1 seconds, and on to 30 mph in 6.3 seconds.

Acceleration

Time-to-Plane: 3.5 seconds

0 to 20 MPH:  4.1 seconds

0 to 30 MPH:  6.3 seconds

RIB

Zodiac port side

The Zodiac Open 5.5 rib had a test weight of 2,283 lbs. (1,036 kg).

We then tested the Evinrude E-TEC G2 115 H.O. on a RIB, which makes sense since all RIBs benefit from the torque and performance of two-stroke outboards. Our boat was the Zodiac Open 5.5 with a LOA of 17’9” (5.41 m) and a beam of 8’4” (2.54 m). With an empty weight of 1,290 lb. (585.1 kg), 26.4 gal. (99.93 liters) of fuel and two people onboard, we had an estimated test weight of 2,283 lbs. (1,036 kg).

Zodiac Full Throttle

The Zodiac Open 5.5 rib scoots along at WOT of 46.5 mph.

With the Evinrude E-TEC G2 115 H.O. outboard powering our Zodiac Open 5.5 test boat, we reached a top speed of 46.5 mph (74.8 kph) at 5350 rpm. Best economic cruise came in at 3000 rpm and 23.2 mph (37.3 kph). It was at that speed that the 3.7 gph (14 lph) fuel burn translated into 6.3 mpg (2.66 kpl) and a range of 149 statute miles (239 km).

Acceleration

The Zodiac Open 5.5 with the new E-TEC G2 115 H.O. might not beat the flattop in the background in acceleration tests, but it is quick to plane.

For acceleration, the Zodiac Open 5.5 got on plane in an average time of 3.5 seconds and went from zero to 20 mph in an average of 6.5 seconds, and on to 30 mph in 10.2 seconds.

Acceleration

Time-to-plane: 3.5 seconds

0 to 20 mph: 6.5 seconds

0 to 30 mph: 10.2 seconds

Aluminum Multi-Species Boat

Alumacraft

The Alumacraft Competitor 205 skiff had the new tiller extension, in place of the built-in hydraulic steering.

Finally, we tested the Evinrude E-TEC G2 115 H.O. on an aluminum multi-species boat. Evinrude has gone the extra mile to appeal to this market segment, and developed an innovative tiller control for this outboard. We tested it on the Alumacraft Competitor 205 with a LOA of 20’6” (6.25 m) and a beam of 8’ (2.44 m). With an empty weight of 1,616 lb. (733 kg), 45 gal. (170.3 liters) of fuel and 2 people onboard, we had an estimated test weight of 2,306 lb. (1,046 kg).

cruising

The Alumacraft Competitor 205 has the capacity for eight people.

With the Evinrude E-TEC G2 115 H.O. outboard powering our Alumacraft test boat, we reached a top speed of 41 mph (74.8 kph) at 5100 rpm. Best economic cruise came in at 2500 rpm and 17.5 mph (28.1 kph). It was at that speed that the 2.5 gph (9.5 lph) fuel burn translated into 6.1 mpg (2.97 kpl) and a range of 283 statute miles (455 km).

Alumacraft Idling

At idle, even with the helmsman right next to the engine, the sound level of the Evinrude E-TEC G2 115 H.O. was a modest 69 dBA.

For acceleration, the Alumacraft Competitor 205 got on plane in an average time of 3.9 seconds and went from zero to 20 mph in the same amount of time. She went from zero to 30 mph in 6.1 seconds.

Acceleration

Time-to-plane: 3.9 seconds

0 to 20 MPH: 3.9 seconds

0 to 30 MPH: 6.1 seconds

Evinrude E-TEC G2 115-HP HO: Other Applications

The new mid-range Evinrude E-TEC G2s are ideal for:

  • bass boats
  • aluminum multi-species boats
  • bay and flats boats
  • small dual consoles and center consoles
  • pontoon boats
  • tow-sports boats
  • small bowriders
  • inflatables, and entry level boats of all kinds

 Design

torque

The conceptual drawing demonstrates how two-stroke engines deliver power in one revolution of the crankshaft. A cylinder in a 4-stroke engine only fires on every other revolution of the crankshaft.

The advanced technology of computer-aided design to map the shape of the cylinder head for optimal direct injection of fuel, coupled with a water-cooled brain module (EMM) that times ignition to lower emissions was the most significant advance in the original G2 line. With the introduction of these new 3-cylinder mid-range engines, Evinrude is further incorporating, improving, and expanding the technology.

New Features. The 3-cylinder engines are bringing new tech to the G2 line, including balancing gears to offset the crankshaft rotation and introducing vibration mounts. Evinrude has also redesigned a more efficient lower unit with water pickups for shallow water operation and added a split exhaust which goes through a muffler box at idle.

All the great things from the G2 line are here, plus a whole lot of new features, in a competitively priced package.

Direct Fuel Injection

Evinrude 3 Cylinder

The 3-cylinder powerhead of the new 115-hp is lighter and has fewer moving parts than any comparable 4-stroke- yet has equal HP and greater torque.

At the heart of the new E-TEC G2 115 H.O. is Evinrude’s direct-injection fuel system. It is unlike any other system in class for two reasons.

  • First, the injector is actually in the cylinder head and not in the intake manifold like it is in 4-stroke engines.

Because of that position, the Evinrude employs a more robust injector that uses a magnet and coil to act on an electrical pulse sent by the EMM (brain module) to deliver the correct amount of fuel at any given throttle setting, functioning with refinement similar to that of a stereo speaker, up to 100 times a second.

Fuel injector

The fuel injector reacts to commands from the EMM to time and deliver the precise amount of fuel.

  • Second, at low RPM, only a small amount of fuel — like champagne bubbles, according to Evinrude — is injected into the smaller top section of the cylinder. This is called “stratified combustion,” which uses less fuel for more efficiency and cleaner operation.

At high rpm, the engine switches to what’s known as homogeneous combustion and more fuel is injected to the whole cylinder using the full bore and stroke to produce excellent mid- and high rpm-range torque and power. The result is an engine that Evinrude says is twice as fuel-efficient under 1000 rpm.

Cylinder Head

Cylinder head technology dates back before the Hemi engine- long before computational fluid dynamics allowed leaps in efficiency employed by the G2s.

Emissions

The Evinrude E-TEC G2s have the lowest emissions of all outboard engines according to the EPA. They have 3-star CARB (California Air Resources Board) ultra low emission ratings as well as EU RCD (European Union Recreational Craft Directive) II compliance ratings.

Carbon Monoxide

Evinrude’s E-TEC G2s has a three-star CARB ultra low emission rating, as well as being the only outboard engine that delivers less than lethal amounts of CO.

Torque

The rotational equivalent of linear force, torque has distinguished Evinrude’s superior 2-strokes from 4-stroke design. More force applied at the prop means quicker time to plane and better responsiveness.

This relationship has always been true, and is why bass fisherman have long preferred 2-stroke outboards of any brand over 4-stroke engines.

prop shaft

With best in class torque, boaters get quicker time to plane and improved responsiveness. This chart has been supplied by Evinrude’s testing department which follows the same testing procedures as other outboard makers.  This chart is not in despute by other outboard makers.

Tension Bar

The tension bar for tiller steering has a lock lever (blue arrow) that lets the operator set steering resistance.

Advanced Oil Lubrication System

Oil Reserve

The plastic oil reservoir below the fuel filter has enough capacity to last an entire season for most boaters.

Evinrude’s onboard oil reservoir, holds 1.9 gallons (7.19 L). While this lasts most people an entire season, if oil runs low, adding more is as simple as turning a cap in the top of the engine and adding oil – no messy oil change.

Removable top

Evinrude has made it easier to remove the top cowling with a front-pull panel.

Once the top cowling section is removed, the yellow oil-fill cap is visible on top of the engine. When the reservoir is filled, the oil supply will last for 50 to 60 hours of engine run-time, a whole season for most boaters, and usually, it’s even longer for low-rev pontoon boats which spend about 60% of their time under 1000 rpm.

yellow cap

With the top cowling removed, the yellow cap oil fill and internal rigging connections are revealed.

Oil is not mixed with the fuel. Instead, lubrication is its own completely separate system, sending a carefully metered amount of oil through clear tubes to bathe the cylinder walls in clean oil as needed.

A tiny amount of oil is burned in combustion, and because it is added to the exhaust, it’s included in the emissions of the outboard – and Evinrude still has lower emissions.

Oil Change

Four-stroke engines are lubricated with recirculated oil, which becomes increasingly contaminated as time goes on and must be changed every 50 to 100 hours.

The Evinrude engine never needs oil changes, and its oil is always clean, reducing the chance for cylinder wear. It is nearly a major project to change the oil of some outboard engines, require some disassembly and tools. Once the oil has been trained out, then the question is where to dispose of it.  Pouring it down the sewer is not an option anymore.

EMM

Evinrude’s water cooled EMM or electronic brain is programmed to “double oil” the engine during initial break-in of 2 ½ hours.

The new Evinrude 150 needs no break-in period — 4-stroke engines permit only limited revolutions for the first few hours.

The result is that the Evinrude outboards—already the lowest-emission outboard available — are even cleaner than the competition.

poles

Convenient jump-start poles below the service cowl are indicated by the red arrows.

Under the removable top cowling are the rigging connections for the fuel line, an external oil tank, the forward freshwater flush line, the Evinrude proprietary network connection controlling throttle and shift, and the low-oil-level alert connection. There is also the NMEA 2000 connection to the boat’s systems to integrate with helm units from Simrad, Lowrance, Garmin, and Hummingbird.

 Winterization

Winterize Button

The ICON engine display touchscreen winterizes the E-TEC G2s with a single tap.

Yet another feature of the Evinrude oiling system is automatic winterization. The engine can be readied for off season storage with a tap of the Evinrude iTouch display or the BRP eLink smartphone app, while the engine is running, either hooked up to fresh water or at the launch ramp in freshwater.

This means that owners can winterize their own engines without the cost and hassle of taking the engine back to the dealer.

Winter Boating. It also means, that if there is a pleasant day in the middle of winter (thanks to global warming), the engine can be commissioned by the owner in 2 minutes and be out on the water and have the whole lake or sound to one’s self.

Magneto Charging System

Charging system

The Magneto charging system generates enough juice to dedicate 50 amps of charging to house batteries.

On the top of the engine under the black plastic cover, is a magneto, which uses simple coils and magnets under the flywheel instead of an alternator. It has fewer parts and there are no pulleys, belts, or brushes to wear out or break. The magneto produces 133 amps of electricity. This is the most reliable system on the market.

Gear Oil Reservoir

Milky Gear oil

The milky white appearance of gear oil contaminated by water is unlikely in Evinrude's because of an expansion tank which gives scalding-hot gear oil a place to go when it expands instead of blowing out an underwater seal.

Water in the lower-unit gear case oil, shown draining above, is a major cause of engine failure. This happens for two reasons: either the oil level is low in the lower unit, allowing condensation to contaminate the oil, or a seal is compromised. Evinrude has solved both of those issues with an expansion tank for gear oil.

Gear oil tank

The gear oil tank allows for expansion from heated oil and constantly keeps the lower unit topped off, avoiding condensation and seal failure.

Evinrude uses an Ultra-HPF gear fluid, which can continue to lubricate even if it’s contaminated by up to 25 percent of its volume with water.

Bad seal

This competitor’s engine had a seal failure due to the fishing line displayed by the technician, which was wrapped around the shaft, resulting in a blown seal.

Regular Gas

The outboard runs on 87-octane fuel and has an internal fuel filter that also functions as a fuel-water separator.

Fuel Filter

The white canister is a 10-micron fuel filter which eliminates the need for external filters and has a water detector that notifies the operator of contaminated fuel.

Redesigned Lower Unit

Water Inlets

The lower unit has been redesigned with larger pickups moved lower and further forward, to allow the boat to run with the engine positioned higher, something shallow-water anglers will like.

The straight leading edge is designed to shed weeds. Anodes are placed prominently throughout, and the anti-ventilation plate has been shortened and positioned further aft to permit better water flow around the prop and still stop ventilation in rough conditions. Evinrude tells us that in normal conditions this allows the boat to stay on plane at lower speeds.

Features that make for easier operation by the driver are numerous and highlight Evinrude’s “driver-centric” approach, they include:

Internal Power Steering

internal Steering

Evinrude’s introduction of internal steering is an industry first.

Internal power steering is and option, and Evinrude is the only outboard maker that has it. But, the 115 H.O. can be steered by cable or external hydraulic steering as well. This is what makes the unit ideal for re-powering applications.

On the optional, power-steering unit, the hydraulic pump is integrated into the mounting bracket – and need not be located inside the boat as is required by all 4-stroke applications. This is a major advancement in outboard engine design and makes installation and re-power much easier and less costly.

Evinrude has provided re-power buyers with the ability to use the new engines with other manufacturers’ pre-existing steering to keep costs down. Namely, the outboard has a through-tube tilt tube for use with anti-feedback cable steering. It can also be used with bolt-on external hydraulic steering.

Dynamic Power Steering

Dynamic power steering.

Dynamic power steering means the hydraulic steering assistance is adjusted for the speed of the boat.

In the many boats we’ve tested with Evinrude’s internal steering, the steering system was responsive and each turn of the wheel caused the boat to react immediately.

Worm gears

The red arrow indicates the internal position of the worm gears for the power steering system.

Helical worm gears over worm gears make for integrated power steering that gives excellent response. Evinrude’s dynamic steering lets the owner adjust the feel of the steering through the ICON touch display as the boat moves from low to high speed.

 

iConn

Evinrude’s ICON engine display has customizable power assist (right side of screen) on the touchscreen.

Clean Transom Installation

single rigging tube

A single rigging tube connected to the mount allows the engine to turn without chafe on the rig.

A dual-access rigging tube is fixed to the mounting bracket, so it stays put, while allowing the engine to rotate independently, providing for a cleaner transom and less wear on the components that connect the engine to the boat. There are no primer bulbs anywhere because the powerful fuel pump integral to the engine is self-priming.

Immobilizing pin

The pin indicated by the top arrow immobilizes the steering to keep the outboard from flopping to one side when it’s raised for trailering. The bottom arrow is where the pin is stored on its tether when underway.

iTrim

Lifted up

The new E-TEC G2 outboards tilt to lift the entire lower unit completely out of the water, key for longevity in the marine environment.

Tilt buttons

The red buttons on the outboard activate the tilt mechanism for the motor to go up or down. The tilt and trim can also be activated from the helm DTS. The round tube below the buttons houses the gears for the tilt and iTrim.

iTrim

iTrim can be turned on via the iConn touchscreen, automatically leveling the engine to assist the boat onto plane and keeping it there.

Evinrude included the iTrim automatic trim system in these outboards, helping the boat perform the way it should even with a novice at the wheel.

Exhaust

Muffler box

The 115 has the same muffler box on the upper exhaust (blue arrow) as the other 3-cylinder G2s.

The outboard’s quiet operation is due to the way the exhaust is managed. An internal muffler box on its port side vents aft and quiets the engine at idle speeds. Above idle speed, the engine exhausts at the propeller hub.

Focused Motor Mount

Motor mounts

Evinrude’s new focused motor mounts (green arrow), one on either side of the engine, are angled at 45-degrees.

To quell vibration on this three-cylinder engine Evinrude has designed counterweights on each end of the crankshaft. What vibration that is emitted is met by and dampened by what Evinrude calls “focused motor mounts.” These four mounts located in three locations isolate the power-head from the mounting bracket to reduce the vibration transmitted to the boat.

Color

All white

All white engines are available for the first time in the G2 line.

Another feature that’s been added, top to bottom in the E-TEC G2 line, is that the engines are now available with a white exoskeleton to color match more boats out there.

All black

The Zodiac Open 5.5 test boat originally had an engine dressed in black pre-test.

Silver side skin

This is the same Zodiac Open 5.5 after testing with silver side skins and a new top panel added- a demonstration of how easy it is to change the engine's color scheme.

And like all E-TEC G2 outboards, the side and top panels can be color-matched to the boat with a wide variety of colors and accent striping available.

Corrosion Resistant

All of that quick acceleration and top-end performance doesn’t mean anything if the engine doesn’t hold up in the marine environment. This all-new engine is ready for both fresh and saltwater.

Aluminum engine block

The aluminum engine block is epoxy coated and the lower unit electro-statically coated with titanium oxide to dramatically reduce corrosion.

The blocks are cast from high-grade aluminum alloy and only stainless steel fasteners are used throughout for added corrosion protection.

Anodes

Some of the largest anodes we’ve ever seen in class are installed on the lower unit for protection in marinas with stray current.

Warranty

Evinrude stands by the outboards with a 5-year corrosion warranty that is at least a year longer and more inclusive than any other outboard warranty.

Air intakes

The distinctive new air intake of the new 3-cylinder engines brings in cold air and not only uses it to cool the engine but actively vents out hot air.

Pricing

Pricing is up to the local dealer, but the folks at Evinrude tell us that pricing is competitive with most other outboard brands. Opt for the internal hydraulic steering and the Evinrude is much less expensive.

Observations

The all-new Evinrude E-TEC G2 115 H.O. is the latest addition to this series of technologically advanced direct-injected two-stroke outboards. Most impressive is the way Evinrude has coordinated the comprehensive features so seamlessly.

The move of G2 technology into the mid-range engine market is important because now consumers can have features never before offered by 4-stroke engine makers.

No other engines in class can boast of the torque, lightweight, low emissions, or driver-centric features these engines have.

Keep an eye out for our continuing tests of boats powered with this engine and reviews of her new three-cylinder stablemates, the 140-hp and the 150-hp.