Harley-Davidson Dyna 2008 - Page 160

3.2SERVICE WEAR LIMITS
GENERAL
Wear limits are given here as a guideline for measuring used
engine components. Replace components when they exceed
values listed here.
Table 3-13. Rocker Arm/Rocker Arm Shaft
REPLACE IF WEAR EXCEEDSROCKER ARM/ROCKER
ARM SHAFT
MMIN.
0.0890.0035Shaft fit in bushing (loose)
0.6350.025End clearance
0.0890.0035Shaft fit in rocker arm
support (loose)
Table 3-14. Hydraulic Lifter
REPLACE IF WEAR EXCEEDSHYDRAULIC LIFTER
MMIN.
0.0760.003Fit in crankcase
0.0380.0015Roller fit
0.5590.022Roller end clearance
Table 3-15. Cam Support Plate
REPLACE IFCAM SUPPORT PLATE
MMIN.
More than 2.29More than 0.090Cam chain tensioner shoe
1/2 thickness of shoe
More than
21.704
More than
0.8545
Crankshaft bushing max-
imum ID
Table 3-16. Cylinder Head
REPLACE IFCYLINDER HEAD
MMIN.
Less than
0.051
Less than
0.002
Valve guide in head (tight)
Less than
0.051
Less than
0.002
Valve seat in head (tight)
More than
0.152
More than
0.006
Head warpage
Table 3-17. Cylinder
REPLACE IF WEAR EXCEEDSCYLINDER
MMIN.
0.0510.002Taper
0.0510.002Out of round
0.1520.006Warpage of gasket sur-
faces: top
0.1020.004Warpage of gasket or O-
ring surfaces: base
Table 3-18. Cylinder Bore
REPLACE IF WEAR EXCEEDSCYLINDER BORE
MMIN.
95.3013.752Standard
95.4283.7570.005 in. oversize
95.5553.7620.010 in. oversize
Table 3-19. Piston
REPLACE IF WEAR
EXCEEDS
PISTON
MMIN.
0.0760.003Fit in cylinder (loose)
0.0200.0008Piston pin fit (loose)
0.7620.030Top compressionRing end
gap
0.8640.0342nd compression
1.270.050Oil control rails
0.1140.0045Top compressionRing side
clearance
0.1140.00452nd compression
0.2540.010Oil control rails
Table 3-20. Connecting Rod
REPLACE IF WEAR
EXCEEDS
CONNECTING ROD
MMIN.
0.0510.002Piston pin fit (loose)
0.5080.020Side play between flywheels
0.0510.002Fit on crankpin (loose)
Table 3-21. Breather Assembly
REPLACE IF WEAR
EXCEEDS
BREATHER ASSEMBLY
MMIN.
0.130.005Breather cover warpage
0.130.005Breather baffle warpage
Table 3-22.Valve Stem to Guide
REPLACE IF WEAR EXCEEDSVALVE STEM TO GUIDE
MMIN.
0.09650.0038Intake
0.09650.0038Exhaust
2008 Dyna Service: Engine 3-3