B.S.A. - continued(350 to 500cc single machines)

350cc

Year

Model

Con rod casting No.

Big end Part No.

Cage Part No

Small end Part No.

MAIN BEARINGS

Drive Side

Timing Side
- Side Valve models

-

-

-

-

-

-
1930-32 L30-5, L30-6, L31-4,L32-4, L32-2.

15-29

15-1518

B11

-

-

-

-
1937 B23. . . . . . . . . . . . . . . . .

65-460

B5

K6

SE11

-

-
1937 B23. . . . . . . . . . . . . . . . .

65-464

B6

K7

SE13

-

-
1938 B23. . . . . . . . . . . . . . . . .

65-464

B6

K7

SE13

-

-
1939 B23. . . . . . . . . . . . . . . . .

65-464

B6

K7

SE13

-

-
- O.H.V. models

-

-

-

-

-

-
1928-31 L28, L29, L30-11, L31-6

15-1518

B2

-

-

-

-
1932 L32-5, Blue Star

15-1518

B3

-

-

-

-
1933-34 R33-5, R33-4, Blue Star

15-2157

B9

K8

-

-

-
1934-36 R35-5, R34-5, R20, Blue & Empire Star.

15-2157

B9

K8

-

-

-
1935-36 R35-4, De-Luxe, Single Port.

15-2322

15-2321

B3

-

-

-

-
1935-36 R35-5, R17, Single Port & Blue Star. . . . . . . . . . . . .

15-2155

15-2157

B9

K8

-

-

-
1937 B24, B25, Single Port

65-464

B6

K7

SE13

-

-
1937 Sports, B26

65-460

B52

K65

SE13

-

-
1937 Sports, B26

65-464

B63

  

SE13

-

-

-
1937-38 Delux, M19

66-483

B14

K121

SE13

-

-

-
1938 Sports, B26. . . . . . . . . . .

65-464

B6

K7

SE13

-

-

-
1938-39 Single Port, B24, B25, Empire Star

65-464

B6

K7

SE13

-

-

-
1940 B26. . . . . . . . . . . . . . . . .

65-464

B6

K7

SE13

-

-

-
1940 B29, Silver Star

65-464

B6

K7

SE13

-

-

-
1940-47 B24, B25. . . . . . . . . . . .

66-483

B14

K1215

SE13

-

-

-
1941 C12 . . . . . . . . . . . . . . . ..

65-460

B5

K65

SE13

-

-

-
1946-59 B31, & 1946-54 B32

65-483

B14

K1215

SE13

125

R325L

RM9L
1954-57 B32. . . . . . . . . . . . . . . . .

65-1614

B14

K1215

SE13

125

R325L

RM9L
1949-53 Gold Star . . . . . . . . . . . .

65-1614

65-1321

B14GS

K121

SE13

125

R325L

RM9L
1954-59 Gold Star

65-1836

B14GS

K121

SE13

125

RMS11

RM9L
1960-61 B40-350 Star

41-55

B23

K83

SE13

325

40-389(See notes)
1962-64 B40-350 Star, B40 SS90

41-181L

B24

K84

SE13

325

40-389(See notes)
1965 B40-350 Star, B40 SS90

41-234

B25

K84

SE13

325

40-389(See notes)
 - All W.D. models

41-234

B25W

K84

SE13

325

40-389(See notes)

 

440cc

Year

Model

Con rod casting No.

Big end Part No.

Cage Part No

Small end Part No.

MAIN BEARINGS

Drive Side

Timing Side
1965-68 Victor .. .. .. .. .. .. .. .. .. ..

41-550

B26

K84

SE13

R325L

325

 

500cc

Year

Model

Con rod casting No.

Big end Part No.

Cage Part No

Small end Part No.

MAIN BEARINGS

Drive Side

Timing Side
- Side Valve models

-

-

-

-

-

-
1925-26 S25, S26

24-281

B11

-

-

-

-
1927-31 S27, S28, S29, S30-9, S31-7

24-1599

B12

K8

-

-

-
1932-36 W32-6, W33-6, W34-7, W35-6, W36-6.

24-279

B9

K8

SE13

-

-
1937-38 M20 . . . . . . . . . . . . . . . . .

66-481

B14

K1215

SE13

325

R325L

RM9L
1939-59 M20 . . . . . . . . . . . . . . . . .

66-481

B14

K1215

SE13

125

R325L

MS9

RM9L
1946-54 B33 . . . . . . . . . . . . . . . . .

66-483

B14

K1215

SE13

125

R325L

MS9

RM9L

Big end catalogue home page

BSA 70 to 250cc machines

BSA 500 twin models and over