AMD 254 September 2020 | Page 59
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ENGINE SPEC
Configuration 3-cylinder,
air cooled 45° x 45° W
layout
Valve Train
OHV 2 valves
per cylinder
Bore/Stroke 4.0 in.
Displacement 150 cu. in., 2.5 l
Compression Ratio 10.8:1
Horsepower 180 @ 5500 rpm
Torque
200 lbs. ft. @ 3000 rpm
Firing Order 1-3-2, using rear
cylinder as #1
Firing Impulses 90 degrees,
315 degrees,
315 degrees
Cases
Feuling W3 - A356T6
cast aluminum
Crankshaft Modified H-D Twin
Cam, clearanced and
balanced for Feuling
master/link rod, H-D
bearings
Connecting Rod Forged 4340 Chromoly
Steel (Feuling
master/link design)
Heads
Feuling 2-valve with
patented HIGH
VELOCITY ports
Valves
Feuling wide margin
2.000 intake, 1.500
exhaust
Valve springs Feuling Beehive
Highload W/Ti
retainers & locks
Breathers
Feuling rocker box
breathers and external
head breathers
Camshafts
Feuling 594 grind,
Lift: Int 594"/Exh 604",
Dur Int 255/Exh 260
Camplate
Feuling high flow
Cam Drive
Andrews cam gears,
outer front & rear cam
gears + crank gear
Oil Pump
Feuling RACE SERIES
Pistons
KB forged/coated
Pushrods
Feuling HP+ one-piece
0.165" wall thickness
Lifters
Feuling RACE SERIES,
full travel
Exhaust System Feuling Anti-Reversion
3 into 1, triple stepped
Intake System Feuling fuel injected 1
into 3 log manifold,
Feuling 5.3 g/s
injectors, HPI 64 mm
throttle body
Ignition
Motec/Feuling
Coils
Feuling
Spark Plugs NGK 10 mm JR8C
Lubricants
Valvoline: engine VR1
20W50, primary Type F,
trans 80-90 weight
Frame
Feuling frame with
30-degree steering
head angle
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AMERICAN MOTORCYCLE DEALER - SEPTEMBER 2020 59