Evinrude 150 Ficht Ram Specifications
| Engine Model: Evinrude Ficht 150 |
| Engine Type: 2-stroke 6-cylinder gasoline outboard engine |
| Total Displacement: 158 cu.in (2.6 L) |
| Rated Engine Power: 150 Hp (111 kW) at 5000 rpm |
| Fuel System: Direct fuel injection (DFI) |
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The Evinrude Ficht 150, introduced in the late
1990s and produced through the early 2000s, represents a revolutionary
advancement in two-stroke outboard technology. It utilizes Ficht Ram
Injection, a direct fuel injection system that delivers fuel directly
into the combustion chambers at high pressure, resulting in dramatic
fuel savings of approximately 35 percent compared to conventional
carbureted engines while simultaneously meeting EPA emissions standards
mandated for the 2006 model year.
The engine's 60-degree V6 configuration provides smooth power delivery
across the operating range, and the sophisticated Engine Management
Module (EMM) continuously monitors and optimizes fuel delivery and
ignition timing for peak performance. Owners benefit from improved fuel
economy, reduced smoke and emissions, and reliable operation when
properly maintained with recommended oils and service procedures.
Whether powering bass boats, center consoles, or runabouts, the Evinrude
Ficht 150 delivers the power, efficiency, and technology to elevate the
boating experience.
The Evinrude 150 Ficht Ram is built around a 60-degree V6 powerhead
utilizing Ficht Ram Injection direct fuel injection technology. This
system is managed by an Engine Management Module (EMM) that controls
fuel delivery, ignition timing, and lubrication based on real-time
operating conditions. The engine was available in multiple
configurations throughout its production run from approximately 1997
through 2006.
Engine Type: 60-degree V6 2-Stroke Direct Fuel Injection
Power: 150 HP at the propeller
Displacement: 158 cu in (2589 cc)
Bore x Stroke: 91.4 mm x 65.77 mm (3.60 in x 2.59 in)
Full Throttle RPM Range: 4750-5250 RPM (2002 model)
Fuel Induction System: Ficht Ram Injection (Direct Injection)
Fuel Efficiency: Approximately 35 percent improvement over carbureted
engines
Starting System: Electric
Controls: Mechanical or digital depending on model year
Gear Ratio: Information not specified in search results
Shaft Length Options: 20 inches and 25 inches available
Weight: 419 lbs for G1-based Ficht models
Emissions Compliance: Meets EPA standards for 2006 model year
The powerhead of the Evinrude 150 Ficht Ram features a 60-degree V6
block cast from corrosion-resistant materials. The cylinder bore
measures 91.4 mm, and the piston stroke is 65.77 mm, contributing to the
engine's 2589 cc displacement. As a direct fuel injection two-stroke
engine, it utilizes a reed valve induction system rather than
traditional poppet valves. This design eliminates the need for
camshafts, timing belts, and valve adjustments found in four-stroke
engines.
The Ficht injection system delivers fuel directly into the combustion
chambers, allowing for precise control of the air-fuel mixture and
enabling stratified combustion at low RPM for improved fuel efficiency
and reduced emissions. The cylinder heads incorporate thermostat
housings with plastic covers that require careful removal during
service, as they can become brittle with age. Each cylinder head
contains thermostats that regulate cooling system operation.
The fuel system is centered around Ficht Ram Injection technology, a
direct injection system that delivers fuel directly into the combustion
chambers at high pressure. This system provides approximately 35 percent
better fuel economy than conventional carbureted two-stroke engines
while dramatically reducing unburned hydrocarbon emissions. The system
includes high-pressure fuel injectors that are precisely calibrated for
each cylinder, with individual injector coefficient files that must be
programmed into the EMM when injectors are replaced.
For 1999 through 2001 Evinrude Ficht models, including the 150 HP,
service fuel injectors require downloading coefficient files from a
database using the injector serial number and checksum number. The fuel
system includes an in-line fuel filter located behind the intake
silencer and benefits from the addition of a Racor or similar
water-separating fuel filter for optimal protection. Fuel line diameter
must be a minimum of 3/8 inch or 10 mm inner diameter to ensure adequate
fuel flow to the high-pressure system.
Lubrication is managed by a multi-point targeted oiling system that
injects oil directly onto critical engine components based on engine
speed and load. The system draws oil from a remote reservoir mounted in
the boat. The use of proper oil is critical for Ficht engine reliability
and performance. While TC-W3 oil is technically acceptable, experienced
technicians strongly recommend using Evinrude XD-100 or XD-50 oil
specifically formulated for direct injection engines.
These synthetic and synthetic-blend oils contain decarbonizing additives
that keep the combustion chambers clean and prevent the carbon buildup
that is a primary enemy of these engines. The XD-100 oil provides
superior lubrication and cleaner combustion, resulting in smoother
operation and a cleaner exhaust hub.
Switching from conventional TC-W3 oil to XD-100 can noticeably improve
engine smoothness after several hours of operation as the decarbonizing
additives clean accumulated deposits. The oil system includes a pickup
screen in the remote reservoir that should be inspected periodically for
contamination.
The cooling system is a pressure and temperature-controlled water-cooled
design with multiple thermostats to regulate operating temperature. The
system incorporates three thermostats located in the cylinder heads that
must be replaced periodically as part of routine maintenance. Access to
these thermostats requires careful removal of the plastic covers, which
can become brittle and break with age.
The cooling system also provides water circulation to the Engine
Management Module (EMM) and the vapor separator to maintain stable
component temperatures. Checking the cooling passages involves
disconnecting hoses and blowing air through them to verify unrestricted
flow. Scale and salt deposits in the cooling system require mechanical
cleaning for effective removal, as chemical descaling methods are
ineffective. The water pump, located in the lower unit, requires
periodic impeller replacement to maintain proper cooling system
performance.
| Mid Section and Lower Unit |
The mid-section houses the driveshaft and exhaust tube, connecting the
powerhead to the lower unit. The lower unit contains the gearcase with a
forward-neutral-reverse shifting mechanism. The gearcase on early Ficht
models experienced some reliability concerns, with reports of gear wear
due to material issues, though replacement units with improved materials
resolved these problems.
The gearcase is filled with high-performance lubricant, with Evinrude
HPF PRO or HPF XR gearcase lubricant being the recommended products.
Gearcase lubricant capacity requires verification from specific model
documentation. The drain plug is located on the very bottom of the lower
unit below and behind the propeller, while the vent plug is positioned
at the top of the gear section near the cavitation plate.
Both plugs incorporate gaskets that should be replaced if they are the
fiber type, while nylon gaskets may be reused if in good condition.
Over-tightening the plugs can crush or crack the gaskets, leading to
leaks. The shift rod height at the neutral position is a critical
dimension of 679.5 mm measured from the junction plane of the gearcase
with the exhaust housing to the shift rod hole.
The Evinrude Ficht 150 is equipped with Power Trim and Tilt as standard
equipment. This hydraulic system allows the operator to adjust the
engine angle for optimal boat performance, acceleration, and
shallow-water operation.
The trim range provides precise adjustment of the boat's running
attitude, while the tilt range offers ample clearance for beaching,
launching, or trailering. The system includes a manual release valve for
emergency operation. Proper maintenance includes periodic inspection of
hydraulic fluid levels and checking for leaks at hoses and cylinder
seals.
Proper propeller selection is critical to allow the engine to operate
within its specified full-throttle RPM range of 4750 to 5250 RPM under
normal load conditions. The Evinrude Ficht 150 utilizes propellers
designed for V6 gearcase configurations. Real-world experience with
similar hulls provides guidance for propeller selection. On a 5.85-meter
Ribcraft, a 150 Ficht achieved approximately 5000 RPM and 40 knots with
a 19-inch pitch propeller.
On a 6.2-meter hull, the same engine achieved similar performance with a
19-inch prop. For a 17.5-foot bass boat, a 25-inch pitch four-blade
propeller resulted in only 4400 RPM, indicating excessive pitch for that
application. A 19-inch pitch stainless steel propeller is a reasonable
starting point for many hulls, with adjustments based on achieved RPM
and desired performance characteristics. The propeller nut must be
torqued to specifications during installation.
Weight: 419 lbs for G1-based Ficht models
Shaft Length Options: 20 inches and 25 inches available depending on
model
The Evinrude Ficht 150 requires regular maintenance to ensure reliable
operation and longevity. Recommended maintenance procedures include
replacement of the three thermostats, with careful attention to the
brittle plastic covers. Fuel filter replacement involves accessing the
filter located behind the intake silencer. Installation of a Racor or
similar water-separating fuel filter is recommended for optimal fuel
system protection.
Spark plugs must be Champion XC12PEPB with electrode gap set to 0.7 mm
and must be indexed according to the procedure demonstrated in service
materials. Use of NGK spark plugs is strongly discouraged. The cooling
system passages to the EMM and vapor separator should be checked by
disconnecting hoses and verifying free air flow. Scale and salt deposits
require mechanical cleaning for effective removal.
The water pump impeller should be replaced at recommended intervals,
with shift rod height verification during reassembly. Gearcase lubricant
should be changed annually or according to service intervals, using
Evinrude HPF PRO or HPF XR lubricant.
The lubricant change procedure involves warming the gearcase by running
the engine, removing the vent plug first, then the drain plug, allowing
complete drainage, and filling from the drain hole until lubricant flows
from the vent hole before installing the vent plug and then the drain
plug. The oil system pickup screen in the remote reservoir should be
inspected periodically. Battery requirements include adequate cold
cranking amps for reliable starting, with insufficient battery capacity
being a common issue in cold weather operation.
Recommended Fuel: 87 Octane Unleaded
Recommended Oil: Evinrude XD-100 or XD-50 Oil (XD-100 preferred for
superior cleaning)
Spark Plugs: Champion XC12PEPB with 0.7 mm electrode gap, indexed per
procedure
Gearcase Lubricant: Evinrude HPF PRO or HPF XR
Fuel Line Diameter: Minimum 3/8 inch or 10 mm inner diameter
Cylinder Head Bolts (Initial Torque): 10 to 15 lb-ft
Cylinder Head Bolts (Final Torque): 25 to 30 lb-ft
Spark Plugs (Final Torque): 15 to 22 lb-ft
Throttle Lever/Cam Screws: 13.5 to 16.5 Nm (10 to 12 lb-ft)
Exhaust Housing Bolts: 15 to 20 lb-ft
Transom Mounting Bolts: 40 lb-ft
The Evinrude Ficht 150 is a versatile powerplant suitable for a broad
spectrum of boat types and boating activities. It is an ideal choice for
17 to 21-foot fiberglass and aluminum fishing boats, including bass
boats, center consoles, bay boats, and multi-species fishing rigs.
The engine's direct injection technology provides exceptional fuel
economy, making it economical for extended cruising and fishing
applications. The engine is well-suited for runabouts, dual consoles,
and light offshore fishing craft where the combination of power and
efficiency is valued.
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