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Gearbox Sprocket Rigid/Plunger 17T. BSA B31/B33
Rigid & Plunger 1946-57
with oil seal Please see measurements last picture or technical data
Chain 5/8 x 1/4 110-054-.. (520)
1949 to 1958
M20 500 S.V. 1949-1956
M21 600 S.V 1949-1958
M33 500 O.H.V 1949-1957
Made in England

Oil Seal BSA A7/A10/B31/B32/B33/34/Goldstar 1954-73

Clutch Spring f. 6 Spring Clutch BSA B31.B32.B33.B34.A7.A10.Gold Star 1955-61
A Mod. Sept. 1954-1961
B Mod.1946-61
C Mod. after 1946 ONLY 6-spring clutch  - not suitabel for 3-spring clutch C11 1949-53 OD: 11.4 mm ID: 7,4 mm L: 23,7 mm

BSA B31/B33. Exhaust System Rigid. 350 cc. 1939-1950 1 5/8“Incl. Silencer, Exhaust pipe and exhaust clip Chrome platedMade in England

Fork Springs BSA B31/B32/B33/B34/A10/A7
f. sidecar
Price per Pair


L: 300mm
OD: 47mm
ID: 37mm
Wire: 5mm
 

Bsa Fork Spring. Progressive. A7,A10,B31,B32,B33,B34,M33,Gold Star.
1946- made in UK

BSA Fork Repair KitA7, A10 1946-62B31,B32,B33, B34 1946-60  Gold StarA50, A65 Early 1963-66M20, M21, M23 1946-57All Parts made in England!!89-5061 fork stanchions - hard chromed29-5310.45-5315 Oil seal holders 1 Pr.29-5347.65-5424. Bushes 4x Seals89-5036-P Progressive Springs65-5331s+97-2653 Fork Top Nut and Washer 2x29-5320 Circlips 2xPlease look at all pictures

BSA B31. B33. Clutch Sprocket. Basket. Housing 3 & 4 Plate ClutchMade in EnglandPlease look at all pictures

BSA Magneto Dynamo Strap
B & M Group B31. B32. B33. B34. M20. M21. M33.
L = 238 mm

66-2353 for 1956
66-2320 for 1954/5

Ratchet Pinion B31 B32 B33 Plunger 1937-45 used

BSA M20-M21 Plunger   for restoration - no warranty

Handlebars Std BSA A7. A10. A50. A65. B31. B32. B33. B34. M20. M21. M33. after 1946 fits some Ariels
Please viewl ALL pictures - measurements

1954-59
A7 500cc OHV Plunger
A7 500cc Swinging Arm
Star Twin 500cc Plunger
Shooting Star 500cc Swinging Arm
A10 650cc Plunger
A10 650cc Swinging Arm
A10 650cc Road Rocket

1949-53
A7 500cc OHV Rigid
A7 500cc Spring Frame
Star Twin 500cc Spring Frame
A10 650cc Rigid Frame
A10 650cc Spring Frame

BSA B31. B33 Air Filter Rubber sw. ArmAir cleaner rubber connectionplease look at all pictures

BSA. 250cc. OHV.  H&G Piston STD. 62mm. 1933. Blue Star Jr. B33-3. Dome.
3873.D
with Gudgeon Pin
no Piston Rings. This is not a 500cc piston.

BSA M20 Inlet Tappet
nosnot perfect

BSA Inlet Tappet B&M Group used /Pair
M20not perfect 

Brake Pedal Return Spring B31/B33/A7/A10

B31 B33 S/A left and right, Price per PairPlease look at all pictures
 

M20,M21,M33,B31,B32,B33,B34,Gold Star
Timing side
Magneto Oil Seal

1946-1953
Hep 11341+40
+040 = 86 mm
65-1262 Compr. ration 6.8:1

to be used with flywheels
65-1235 und 65-1235
to be used with conrod 66-482
Piston Clearence 0.12mm or 45thou
Gudgeon Pin: 19mm
Compression Height: 31.1mm
for long conrod B33 M33 B34 Gold Star distance between 2 ends of piston ring must be 0,5 mm
 

BSA Wheel Spindle Nut Rear A7/A10 Plunger

BSA B31 B32 B34 Silencer
350/500cc
S/A
Rigid & Plunger
1 5/8"-41mm
1946-
Chrome
Made in England

BSA Brake Plate used

for restoration - no warranty

BSA Piston NOS 1930/4 249 cc 63mm +60

Hepolite
2725
63.mm+60
1930/34
OHV
Modell: B1, B2, B3, B4
STD = 63 mm

new, old stock
with Gudgeon Pin and Piston Rings

Idler Pinion complete with bush
New/ old stock
60 Teeth

OD 3 7/16"
Width: 9/16"

1946-1953
STD= 85 mm
Hep No. is 11341Compr. ration 6.8:1
Compression Height: 31mm
Piston top - Gudgeon pin top: 22 mm
Gudgeon pin diameter: 19 mm

to be used with flywheels
65-1235 und 65-1235
to be used with conrod 66-482
Piston Clearence 0.12mm or 45thou
long conrod version
with Piston Rings, Circlips and Gudgeon Pin