Parts list: № Number Qty Name Options 1 R80500 4 Cylinder Liner (SUB FOR R54505) (SUB R121867 OR RE500024) 2 AR65507 4 O-Ring Kit .. AR54749 1 Lubricant Next page: 20-2 CYLINDER HEAD AND ROCKER ARM COVER [01A20] 20-20 ENGINE FRONT PLATE [01B12] 20-21 FLYWHEEL HOUSING [01B13] 20-22 ENGINE OIL PUMP [01B14] 20-23 ENGINE OIL PUMP OUTLET TUBE KIT (SERIAL NO. -122703) [01B15] 20-18 CRANKSHAFT BEARINGS AND CAPS [01B10] 20-16 CRANKSHAFT AND IDLER GEARS [01B08] 20-15 ENGINE BALANCER SHAFT [01B07] 20-14 PISTON LINER KIT [01B06] 20-12 PISTONS AND CONNECTING RODS [01B04]