twins- engine parts
- BSA 500 - 650 Twins A7 - A10 Primary chain cover (67-1701)
Condition: Used
1954 - 1957
Plunger frames
Made in England€ 142,00 - BSA 500 - 650 Twins Clutch centre complete (67-3237)
Condition: NOS
Fits A7 - A7 star Twin frame only
+ A10 Plunger 1947 - 1957€ 138,00 - BSA A10 650 Twin, set of 4 dural pushrods 67-360/62
NOS
Made in England (aftermarket)
Will fit: A10 + A10 Super Rocket
1956-1962
BSA part no. : 67-360 inl.
67-362 exh.
Weight 30 & 32 grams each€ 79,00 - BSA A10 Twin 650 cc cylinderhead cast iron
Condition: Used but in good condition, no broken fins
1950-€ 270,00 - BSA A10 Twin 650 cc cylinderhead cast iron (67-261)
Condition: Used
Head in very good condition, no fins broken
Complete with valves, guides and springs
Ready to use.1950 -€ 365,00 - BSA A10 valves & guides set (67-323 / 67-343 / 67-31)
condition: NOS
made in England by Alpha bearingsfits: A10 650 twins
1949 - 1955
iron cylinder head only€ 129,00 - BSA A50 - A65 clutch centre / shock absorber assy complete (68-3275)
Condition: NOS
Made in England€ 198,00 - BSA A50 - A65 cover gearbox housing complete (57-4023 / 68-3184)
Condition: NOS
1963 - 1973
Opn: 57-4023 replaces 68-3184€ 88,00 - BSA A50 - A65 crankcase complete
Condition: Used but in very good condition
Fits all types
1962 - 1967
with 5/16" cylinder base studs
(bearings still fitted)
Engine number: A65 D 6583€ 345,00 - BSA A50 - A65 Inner timing cover (68-868)
Condition: NOS
1962 - 1978
Fits all 500 - 650 twins
Made in England€ 182,00 - BSA A50 - A65 Inner timing cover (70-9482)
Condition: NOS
1969 - 1970
Fits all 500 - 650 twins
Casting no: 70-9480
Made in England€ 182,00 - BSA A50 - A65 Twins, kickstarter crank only 57-2652
NOS
Made in England by BSA
Will fit other BSA types
OPN: 57-2652 (part of 57-2649 kickstarter complete)€ 96,00 - BSA A50 Royal Star cylinder barrel (71-1196)
Condition: Used
1962 -
Cylinder bore 66.3 mm
( + 0.40 o.s) (pistons available)€ 290,00 - BSA A50 valves & guides set (68-0661 / 68-0662 / 68-0159)
condition: NOS
made in England by Alpha bearingsfits: A50, 500 unit twins
1966 - 1970€ 129,00 - BSA A50-A65 Alternator housing (68-0729)
Condition: N.O.S. Shopsoiled, no damage
Fits: A50-A65 1966-1967
Castingnr. 68-729€ 86,00 - BSA A50-A65 Cam plate gear change, Partno. 68-3043
Condition: N.O.S.
Fits: Early type unit twins 1962-Made in England by BSA€ 77,00 - BSA A50-A65 Camplate (68-3043)
Condition: N.O.S.
Gearbox camplate
Fits: 500-650 unit twins 1962-1968
Made in England by BSA€ 68,00 - BSA A50-A65 Gearchange quadrant cplt, Partno. 68-3294
Condition: N.O.S.
Fits: 500-650 Unit Twins 1962-1970
Made in England€ 154,00 - BSA A50-A65 Kickstart spindle, Partno. 68-3049
Condition: N.O.S.
Fits: 500-650 Unit twins 1962-1970
Made by BSA€ 127,00 - BSA A50-A65 M.S. 2nd gear (68-3114)
Condition: N.O.S.
Close ratio gear 23T
Fits: 500-650 Unit twins 1964-1971
Made in England by BSA€ 137,00 - BSA A50-A65 primary chaincase cover 68-0240
Condition: used + slight crack (see picture 2)
Made in England
For 1962- 500-650 unit motors
OPN 68-0240€ 128,00 - BSA A50-A65 rocker cover polished (68-830)
Condition: used but v.g.c. polished
Modell years 1964-1971€ 78,00 - BSA A50-A65 Set of 4 tappets, Partno. 68-362
Condition: N.O.S.
Fits: All unit twins 1962-1972 inlet + exhaustMade in England by BSA€ 194,00 - BSA A65 camshaft (68-473)
Condition: NOS
1963 - 1973
Also fits A50
Made in England€ 174,00 € 154,00 - BSA A65 Cylinder barrel c/w tappets (71-1464)
Condition: Used
Fits: A65-650 Unit twin 1970-1972
Casting nr: 68-44
Bore-size: 75.5mm (+0.020")
Made in England by BSA€ 390,00 - BSA A65 Inlet manifold (68-224)
Condition: N.O.S.
Fits: A65 Thunderbolt 1962, will fit A50 as well (part no. 68-223)
Made in England by BSA€ 58,00 - BSA A65 inner timing cover with fittings fixed (71-2277)
condition: NOS
spring included
models: A65T, A65L, A65FS 1971-€ 186,00 - BSA A65 JP piston set complete (JP 0643A)
Condition: New stock
75 mm + 0.20" o.s
Compression ratio 9:1
Made in AustraliaFits BSA A65
1962 - 1973Priced and sold per set.€ 248,00 - BSA A65 Kickstart Quadrant, Partno. 57-4312
Condition: N.O.S.
Fits: 650 unit twins 1971- OIF modelMade in England€ 136,00 - BSA A65 Mainshaft + 1st gear 14T, Partno. 68-3100, 68-3150
Condition: N.O.S.
Fits: 650 Unit twins 1962-1973 (OIF) (non close ratio)Made in England by BSA€ 152,00 - BSA A65 OIF Idler pinion, Partno. 70-9104
Condition: N.O.S.
Fits: Later type A65 1971-
44TMade in England€ 68,00 - BSA A65 OIF type Rocker box cover (71-2333)
Condition: Used but in reasonable condition
1971-
Casting no: 71-2204
Made in England€ 59,00 - BSA A65 outer timing cover (71-2280 / 71-2281)
Condition: Used but in good condition
1971 O.I.F.
Clutch lift mechanisme included€ 68,00 - BSA A65 rockerbox cover (71-2333)
used, very good condition
model years : 1971-
fits A65T, L and FS models€ 64,00 - BSA A65 Styling strip (83-3057)
Condition: N.O.S.
Fits: A65 OIF models 1971-
Bare strip without vynil padding
Made in England€ 121,00 - BSA A65-A50 Alternator housing 68-0729
NOS
Made in England
Fits: A50 - A65 1966-1967
Casting number 68-729
OPN 68-0729€ 78,00 - BSA A7 - A10 clutch driving plate (bonded) set of 5 (67-3242)
Condition: New stock
1950 - 1957
plunger types
Made in the U.K.€ 58,00 - BSA A7 - A10 Twins clutch chainwheel complete for duplex chain (67-3271)
Condition: NOS
1954 - 1957
plunger & swingarms€ 198,00 - BSA A7 500cc Twin Engine gasket set complete
Engine gasket set complete
Fits A7 1947-1950
NOS
Made in England by Payen€ 49,00 - BSA A7 gasket set made by Payen
Condition: NOS
Fits A7 StarTwin 1951 - 1954
A7 Shooting Star 1954 and onwards
Made in the UK€ 39,00 - BSA A7-A10 Cylinder head bolt set, Partno. 67-258-1115-1116
Condition: N.O.S.
Fits: 500-650 Twins with iron cylinder head -1957Made in England
(Sticker not included)€ 39,00 - BSA A7-A10 Plunger Steel clutch plates (67-3240/67-3241)
Condition: N.O.S.
Set of 6 steel clutch plates
1x thick + 5x thin
Fits: A7 plunger + A10 plunger 1950-1957
Made in England€ 72,00 - BSA A7-A10 Plunger, clutch chainwheel (67-3271)
Condition: Used, good condition
Chainwheel for duplex chain
Fits: all 500-650 twins, plunger type -1957€ 133,00 - BSA A7-A10 Plunger, Clutch plates set (67-3240/67-3241/67-3242)
Condition: N.O.S.
Complete set of 5+1 steel plates + 5 bonded clutch plates
Fits: All plunger models
Made in Italy by Surflex€ 118,00 - BSA B31-B33 A7-A10 Kickstart quadrant, Partno. 42-3160
Condition: N.O.S.
Fits: Pre-unit gearboxes 1954-1963
Made in England€ 126,00 - BSA C10-B33-A7 Steel clutch plate (set of 5) (29-2832)
Condition: N.O.S.
Set of 5 plates
Fits: BSA singles & twins M20, M21, A7, A10 S.Arm, M33, B33, B34, C10, C11
Made in Italy by Surflex€ 74,00 - BSA clutch plate bonded set of 4 OPN 67-3242
Condition: NOS
Fit: BSA
C10 - C11 1946 - 1953
B31 - B32 1946 - 1957
M20 - B34 1948 -
M33 - B33 1957 OPN 67-3242
A7 - A10 swing-arm type 1948 - 1957
Made in the USA Priced and sold per set€ 58,00 - BSA Sunbeam scooter parts catalogue, Partno. 00-5103
Condition: N.O.S.
Genuine & very comprehensive parts list 90 pagesPrinted in England€ 58,00 - BSA Twins seven plate clutch conversion 42-3192
New stock
Made in England
Fits A50-A65 1962-1972
Replaces OPN 42-3192€ 124,00 - GPM piston set complete for BSA A65
Condition: New stock
75 mm + 0.40" o.s
Compression ratio 7.5:1Fits BSA A65
1962 - 1973Priced and sold per set.€ 172,00 - Hepolite piston set complete for BSA A65
Condition: New stock
75 mm + 0.60" o.s
Compression ratio 9:1Fits BSA A65
1962 - 1973Priced and sold per set.€ 158,00 - Norton/BSA/Triumph Extractor Timing pinion, Partno. 06.7524 (ET2003)
Condition: N.O.S.
Fits: Most British twins
Made in England€ 79,00 - Renold dynamo driving chain 67-296
NOS
Made in England
For BSA A7-A10 pre-units twins
1952-1962
Lenght 52 pitches
BSA part no.: 67-296€ 37,00 - Triumph T100-T140 / A10-A65 Clutch pressure plate, aluminium (57-2156/57-4590/68-3305)
Condition: New stock
Fits: All Triumph + BSA twins with 3-spring clutch
Made in England€ 64,00 - Wipac ignition coil complete type LV6 MT8
Condition: NOS
Complete with HT lead & clamp
6 volt
1958 - 1965€ 58,00