PAR T 1 DIRECT DRIVE ENGINES
SECTIONI CCRANKCASE,CRANKSHAFT,CAMSHAFT

Ref. New  Ref. Old  Chart  Nomenclature  Dimensions Mfr. Min. Serv. & Max. Max.  Clearances Mfr. Min. Serv. & Max. Max. 
508  607  ALL  Crankshaft Prop. FlangeRun-Out  .002  .005 
509  941  ALL  Starter Ring Gear and Support  .014T .022T  (A) 
510  504 A-B-D-G-J-S-T-Y-AF 504BD-BE  Crankshaft TimingGear andCrankshaft  .0005T .0010L  (A) 
511 536  A-B-D-G-J-S-T-Y-AF  Tappet Body and Crankcase  .0010L .0033L  .004L 
536 BD-BE  Tappet Body and Crankcase  .0010L .0030L  .004L 
A-B  O.D. of Tappet  .6232 .6240  .6229 
B1-D-G-J-S-T-Y-AFB1-D-G-J-S-T-Y-AF  O.D. of Tappet  .7169 .7177  .7166 
O.D. of Tappet  .8740 .8745  .8737 
A-B  I.D. Tappet Bore in Crankcase  .6250 .6263  .6266 
B1-D-G-J-S-T-Y-AF  I.D. Tappet Bore in Crankcase  .7187 .7200  .7203 
BD-BE  I.D. Tappet Bore in Crankcase  .8755 .8773  .8776 
512 559  B1-D-G-J-S-T-Y  Tappet Plunger Assembly and Body -Chilled  .0010L .0047L  .0067L 
S7-S1-AF  Tappet Plunger Assembly and Body -Hyperbolic  .0010L .0067L  .0087L 
513  560  B1-D-G-J-S-T-Y  Tappet Socket and Body  .002L .005L  .007L 
S7-S1-AF  Tappet Socket and Body (Hyperbolic)  .002L .007L  .009L 
514  537  ALL  Camshaft and Crankcase  .002L  .006L 
515  538  ALL  Camshaft -End Clearance  .002L .009L  .015L 
516  539  ALL  Camshaft Run-Out at Center BearingJournal  .000  .006 
517 578 518 579  All ModelsUsingCounterweights All ModelsUsingCounterweights  Counterweight Bushing and Crankshaft Counterweight Roller -End Clearance  .0013T .0026T .007L .025L  (A) .038L 
519  580  All ModelsUsingCounterweights  Counterweight and Crankshaft -Side Clearance*  .003L  .017L 
520 696 All Models Using 696Counterweights 521 775 All ModelsUsingCounterweights  Counterweight Bore and Washer O.D. I.D. of CounterweightBushing  .7485 .7505  .7512  .0002L .0030L  (A) 
775  * Measure  below  roller  next  to flat. 
SSP1776  1-3 

SERVICE TABLE OF LIMITS

PART 1 DIRECT DRIVE ENGINES
SECTIONI CRANKCASE, CRANKSHAFT,CAMSHAFT
Ref.  Ref.  Chart  Nomenclature  Dimensions  Clearance 
New  Old  Mfr. Min.  Serv.  Mfr. Min.  Serv. 
　
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