Harley-Davidson Dyna 2008 - Page 159

Table 3-8.Valve Springs Specifications
MMIN.VALVE
SPRINGS
61.2 kg @ 47.0 mm135 lbs @ 1.850 in.Closed
141.5 kg @ 33.0 mm312 lbs @ 1.300 in.Open
59.1 mm2.325 in.Free length
Table 3-9. Piston
REPLACE IF WEAR
EXCEEDS
PISTON
MMIN.
0.036-0.0640.0014-0.0025Fit in cylinder (loose)
0.00-0.0130.0002-0.0005Piston pin fit (loose)
0.254-0.5080.010-0.020Top compressionRing end
gap
0.356-0.6100.014-0.0242nd compression
0.254-1.270.010-0.050Oil control ring
0.030-0.0940.0012-0.0037Top compressionRing side
clear-
ance
0.030-0.0940.0012-0.00372nd compression
0.079-0.2310.0031-0.0091Oil control rails
Table 3-10. Connecting Rod Specifications
MMIN.CONNECTING ROD
0.018-0.0300.0007-0.0012Piston pin fit (loose)
0.13-0.380.005-0.015Side play between fly-
wheels
0.0102-0.04320.0004-0.0017Connecting rod to
crankpin (loose)
Table 3-11. Flywheel Specifications
MMIN.FLYWHEELS
0.0-0.2540.000-0.010Runout (shaft measured
in case)
0.0-0.1020.000-0.004Runout (measured in
truing stand)
0.076-0.2540.003-0.010End play
Table 3-12. Crankshaft/Sprocket Shaft Bearing
Specifications
MMIN.CRANK-
SHAFT/SPROCKET
SHAFT BEARINGS
0.005-0.0380.0002-0.0015Roller bearing fit (loose)
0.097-0.1370.0038-0.0054Bearing fit in crankcase
(tight)
0.010-0.0360.0004-0.0014Bearing inner race on
crankshaft (tight)
3-2 2008 Dyna Service: Engine