Page 880 - 2006 HARLEY FLSTCI SERVICE MANUAL

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6 2006 Softail: Engine

3 Second compression ring Figure 3-121. Piston Assembly Clean the oil drain holes leading from the oil control ring groove to the underside of the piston crown. Run a small bristle brush through the passageways to ensure their cleanliness, but be careful not to damage or enlarge the holes. Do not use a wire brush. Verify that all other oil holes are clean and open. CAUTION Exercise care to avoid scratching the sides of the piston Thoroughly clean the three piston ring grooves of all car- bon deposits. A broken compression ring properly ground to a sharp chisel-like edge may be used
4 Top compression ring
4 Oil rail spacer
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7 Circlip Piston pin Piston Oil rail (2) purpose.
d0186x3x 1 ring grooves.
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Wear

REMOVAL OVERVIEW See 3.16 TOP END OVERHAUL: DISASSEMBLY. Remove breather assembly. Remove rocker arm support plate. Remove push rods and push rod covers. Do not remove lifters or lifter covers. Remove cylinder head. 1WARNING 1WARNING Always wear proper eye protection when removing the compression rings. Slippage could propel the ring with force which could result in death or serious injury. See Figure 3-121. Carefully remove top (7) and second (6) compression rings using the proper piston ring expander (Snap-On PRS8). Using your fingers, remove the oil rail spacer (5) from the third ring groove. Remove top and bottom oil rails (4). Disca

PISTON Remove cylinder. Remove piston. DISASSEMBLY Piston Rings CLEANING flow rates. (00061a)

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