CRANKSHAFTS & CAM GEARSCheckingCHECKING CRANKSHAFTAll EnginesTable No. 1 shows the rejection sizes of the various wearpoints of the crankshaft. Discard crankshaft if wornsmaller than the size shown. Keyways should bechecked to be sure they are not worn or spread.Remove burrs from keyway edges to prevent scratchingthe bearing. Fig. 8 shows the various points to bechecked on the crankshaft.Fig. 8. Crankshaft Check PointsNOTE: .020" undersize connecting rods may beobtained for use on reground crankpin bearings.Complete instructions are included with the undersizerod. (See Service Bulletin #480 or Illustrated Parts Listto find appropriate undersize rod.)TABLE NO. 1CRANKSHAFT REJECT SIZESMODEL SERIESP.T.O. JOURNALMAGNETO JOURNALCRANKPIN JOURNALALUMINUM CYLINDERInchesMillimeterInchesMillimeterInchesMillimeter6B, 60000.87322.17.87322.17.87022.108B, 80000*.87322.17.87322.17.99625.3082000, 92000*, 94000,110900*, 111200, 111900*.87322.17.87322.17.99625.30100000, 130000.99825.35.87322.17.99625.30140000, 1700001.17929.95.997#25.32#1.09027.691900001.17929.95.997#25.32#1.12228.50220000, 2500001.37634.951.37634.951.24731.67CAST IRON CYLINDERInchesMillimeterInchesMillimeterInchesMillimeter5, 6, 8, N.87322.17.87322.17.74318.879.98324.97.98324.97.87322.1714, 19, 1900001.17929.951.17929.95.99625.302000001.19729.951.17929.951.12228.5023, 230000†1.37634.951.37634.951.18430.07240000BallBallBallBall1.30933.25300000, 320000BallBallBallBall1.30933.25*Auxiliary drive models P.T.O. Bearing Reject Size -- 1.003 in. (25.48 mm)#Synchro-Balance Magneto Bearing Reject Size -- 1.179 in. (29.95 mm)†Gear Reduction P.T.O. -- 1.179 in. (29.95 mm)3
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business