Harley-Davidson Dyna 2008 - SPECIFICATIONS 3.1; GENERAL SPECIFICATIONS

3.1SPECIFICATIONS
SPECIFICATIONS
Table 3-1. General Specifications
DATAGENERAL
2Number of cylinders
4-cycle, 45 degree, air-cooled
V-twin
Type
91 ft-lbs @ 3000 RPMTorque
(with shorty, dual exhaust)
123 Nm @ 3000 RPM
3.75 in.Bore
95.25 mm
4.375 in.Stroke
111.13 mm
96 cubic in.Piston displacement (approx.)
1584 cc
5500 RPMMaximum sustained engine
speed
1000 RPM +/- 50Idle speed
Table 3-2. Oil Pump Specifications
DATAOIL PUMP
Twin geroter, dual scavenge, crank
mounted and driven, internal oil pump,
dry sump
Type
30-38 PSI (207-262 kN/m
2
) at 2000
RPM and normal operating temperature
of 230° F (110° C)
Pressure
5 micron media, filtered between pump
and engine
Filtration
Table 3-3. Rocker Arms Specifications
MMIN.ROCKER ARMS
0.013-0.0510.0005-0.0020Shaft fit in bushing (loose)
0.08-0.0330.003-0.013End clearance
0.051-0.1020.002-0.004Bushing fit in rocker arm (tight)
Table 3-4. Rocker Arm Shaft Specifications
MMIN.ROCKER ARM SHAFTS
0.018-0.0560.0007-0.0022Shaft fit in rocker arm support
plate (loose)
Table 3-5. Hydraulic Lifter Specifications
MMIN.HYDRAULIC
LIFTERS
0.02-0.050.0008-0.0020Fit in crankcase
(loose)
Table 3-6. Cylinder Head Specifications
MMIN.CYLINDER HEAD
0.051-0.0840.0022-0.0033Valve guide in head (tight)
0.076-0.1140.003-0.0045Valve seat in head (tight)
0-0.1520-0.006Head gasket surface (flatness)
Table 3-7.Valve Specifications
MMIN.VALVES
0.0254-0.07620.001-0.003Exhaust: fit in guide
0.0254-0.07620.001-0.003Intake: fit in guide
1.02-1.580.040-0.062Seat Width
51.10-51.612.012-2.032Stem protrusion from cylinder
head boss
2008 Dyna Service: Engine 3-1