1999 Volvo Penta "WT" Models Workshop Manual, Page 106Get this manual
Honing and Piston Fit
1When the cylinders are to be honed only for use of standard piston orfor final finishing after they have been rebored to within 0.002 in(O,051 mm) of the desired size, they should be finished with honeRough stones may be used at first and fine stones for the final operation2Place the hone into cylinder bore and expand the stones until the hone can just be turned by handConnect in(0,217 mm) electric drill to the hone and drive hone at drill speed while moving hone up and down entire length of cylinder until hone begins to run freeDuring this operation liberal amount of kerosene should be used as cutting fluid to keep the stones of the hone cleanMove hone slowly up and down with rough stones, but move hone up and down rapidly enough with the fine stones to produce final bore finish of very fine surface scratches in cross-hatch pattern of approximately 45 to 60The marks should be clean but not sharp, and free from embedded particles or torn or folded metal3Expand the stones against the cylinder bore and repeat the honing operation until the desired bore diameter is obtained4Occasionally during the honing operation, the cylinder bore should be thoroughly cleaned and the piston selected for the individual cylinder checked for correct fit5Check fit of the aluminum pistons in the following manner: