1999 Volvo Penta "WT" Models Workshop Manual, Page 58Get this manual

1999 Volvo Penta "WT" Models Workshop Manual, Page 58

Removing Cylinder Bore Ridge [] Tool Required: 24270 Ridge Reamer Do NOT remove excessive material from the cylinder boreExcessive removal of material may require cylinder boring to the next oversize1Rotate the crankshaft until the piston is at BOC2Place cloth on top of the piston[] 3Perform the cutting operation with 24270 ridge reamerRefer to the manufacturer's instructions before using 242704Remove 24270 and rotate the crankshaft until the piston is at TDe
Important

5Remove the cloth and cuttings6Repeat this procedure for each piston