Buell 2007 ULYSSES Service Manual page 286

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CLEANING AND INSPECTION
Cylinder Heads
11 1
WARNING
Compressed air can pierce the skin and flying debris
from compressed air could cause serious eye injury.
Wear safety glasses when working with compressed air.
Never use your hand to check for air leaks or to deter-
mine air flow rates. (00061a)
1. Bead blast or scrape carbon from head, top of cylinder
and valve ports. Be careful to avoid scratching or nicking
cylinder head and cylinder joint faces. Blow off loosened
carbon or dirt with compressed air.
2. Soak cylinder head in an aluminum-compatible cleaner/
solvent to loosen carbon deposits.
3. Wash all parts in non-flammable solvent, followed by a
thorough washing with hot, soapy water. Blow out oil
passages in head. Be sure they are free of sludge and
carbon particles. Remove loosened carbon from valve
head and stem using a wire wheel. Never use a file or
other hardened tool which could scratch or nick valve.
Polish valve stem with very fine emery cloth or steel
wool.
WARNING
6609
Figure 3-62. Checking Gasket Surface
4. See Figure 3-62. Check head gasket surface on head for
flatness. Machine or replace any head which exceeds
SERVICE WEAR LIMIT of 0.006 in. (0.152 mm).
2007 Buell Ulysses: Engine 3-47