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756
Inner Primary Cover 1936-64
Steel Inner Primary Covers for 1936-54 has small hole at motor 
end, 1955-69 has large hole for splined sprocket shaft. The 
42-0623 is slightly deeper to mount to 1965-69 engine cases. 
Chrome Black 
Years   Note
42-0621 42-0619  1936-54 
42-0622 42-0620  1955-64  Slotted Hole for Chain Guard Mount
42-1186  
 
1955-64  Single Hole for Chain Guard Mount
42-0623  
 
1965-69 
42-0617*42-1218  1970-84  Alternator type
Bracket
49-1152  
 
1936-57  Lower and Upper
49-1153  
 
1958-64 Upper
42-1872  
 
 
  Tab Kit
*Note: Allows use of 1955-64 type compensator outer covers on 
alternator, electric start must be sacrificed.
Inner Primary Cover Drain Tube for sheet metal early Big Twin 
primary. Tube with nut.
VT No.  OEM 
Year/Type
40-9983  60546-36  1937-58 Rigid
40-9984  60546-59  1959-64 SAF
40-0835 Fitting
1954-64 Rear Chain Oiler Kit replaces 
63591-62 to fit on rear of inner primary 
cover includes screw.
VT No. 
Item
42-0653  Rear Chain Oiler
40-9983  Oil Drain 1936-57
40-9984  Oil Drain 1958-64
42-0589  Oil Guard
Inner Primary Mounting 
Kits contain all hardware to 
mount tin inner primary to 
engine on Big Twins.
VT No.   Years  Finish
3073-16 1936-44 Parkerized
3045-14 1945-54 Parkerized
7811-14  1941-54 Steel
7812-12  1955-64 Steel
1936-54
1955-64
42-0646
42-0862
42-0645
42-0643
42-0622
42-0617
42-0620
42-0623
Primary Gasket Kit includes 
3 cork gaskets for 1936-64 
Big Twin outer primary covers, 
includes 60540-36, 60567-36 and 
60565-36. 
Cork Primary Cover Gaskets for 1936-64 Big Twin.
James GB 
OEM 
Item
15-0905 
   —  60540-36 Primary
15-0919 
15-0177 
60565-36 
Clutch Cover
15-0920 
15-0178 60567-36  Inspection
15-0180 
15-0408 
60629-55 
Inner Primary, 1955-64
15-0844 
15-0642 
    — 
Kit Complete, 1936-54
   — 
15-0417 
    — 
Kit Complete, 1936-64
Chain Oil Kit. Cad plated oiler body, 
63607-54, oiler adjusting screw, 63610-53, 
nut and brass washer used on 1954-62 
Panheads.
VT No. 2321-4
15-0408
15-0642
Oil 
Guard 
Detail
Reinforcement Ring fits inner 
primary.
VT No. 
Year
42-0618  1936-54
49-0759 1955-64
49-0759
Inner Primary Mount Kit 
i
ncludes hardware to mount 
inner to oil tank and frame.
VT No.  
Finish
9601-10 
Parkerized
2071-10 Chrome
2071-10
9601-10
42-0653
40-9984
40-9983
42-0618
42-1212
42-1213
42-1214
42-1872
Replica Inner Primary Covers with drain fitting installed. 
42-0699 includes sprocket oil guard. Oil guard may have to be 
removed on some foot shift applications.
Black 
Chrome  Raw 
OEM  
Year
42-3654 
     — 
42-1212 60626-36  1936-54
     — 
42-0643 
     —  60626-36 1936-54
42-0646 
42-0645 
42-1213 60620-55  1955-57
     — 
42-0862 
     — 
60620-58B 1958-64
     — 
     — 
42-1214 60620-58  1958-64
42-0619
42-0621
42-3654
42-3654