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BSA Piston used
Heplex
3320
79.9mm

no Piston Rings
no Gudgeon Pin

for restoration - no warranty

Hepolite
8600
64.4mm

Villiers Piston +010
52mm +010
Hepolite Heplex

BSA Piston NOS
250cc
STD
63mm
top of the gudgeon pin hole to the top edge of the piston 18.3 mm
Gudgeon pin diameter: 5/8"-16 mm
Compression hight: approx. 27 mm
early BSA -1937
new, old stock

with Gudgeon Pin and Piston Rings Please view all pictures

64.4mm

with Gudgeon Pin
no Piston Rings

90 1432
61.2mm

no Gudgeon Pin
no Piston Rings

1123 G7
+040
67mm

with Gudgeon Pin
2 Piston Rings missing

16387A
53.8mm

with Gudgeon Pin
no Piston Rings

Hepolite Piston. used. 1931 500cc. 1932-40 570cc sv. 1140cc L, K, KX.

with Piston Rings and Gudgeon Pin

for restoration - no warranty

Pin diameter: 18.6mm
Compression height: 41.3mm
Total height: 81.2mm

Matchless
2060
+20
86mm

with rusty Gudgeon Pin
no piston rings
no Circlips
new, old stock

Matchless Piston
2060
+60
87.1mm

no Piston Rings or Gudgeon Pin
new,old stock

62 mm, std., new, No. 5773

with rings, light rust
with pin, rust
no circlips

Hepolite Piston. used. 1931 500cc. 1932-40 570cc sv. 1140cc L, K, KX.Diam.: 86 mm
Total hight: 82 mm
Compression hight 40 mm

Casting No. 4/2 395 Am
B52
Hepolite 3495
with Gudgeon Pin and rings

Hepolite
8899
+40
70.8mm

with Piston Rings and Gudgeon Pin

Hepolite
8600
STD
63.9mm

with Piston Rings and Gudgeon Pin

new, old stock

Hepolite
18140
63mm

new, old stock

with piston rings and gudgeon pin

50mm

probably japanese

no Piston Rings
no Gudgeon Pin

Air Filter / Airfilter 900 Centre Screw

with thread

Connect Dm.: 44,5 mm
OD: 124 mm
W: 44 mm

Total width with conn.: 49,5 mm

BSA A50/A65 MainWiring Harness 1966-67

Early 12V Models with two Switches on Headlight/Headlamp

no wiring diagram available

Norton 88,99 Clutch Rod Adjuster Nut

1/2" UNF

AJs/Matchless 350,500,600,650cc 1956-67
Norton Mod.50,ES2,Dominator 500 600 650cc, Atlas 750cc. Commando 750cc  850cc

BSA C11 Piston Circlip

BSA D1 D7 Magneto Woodruff Key
Generator Key D1 D7
Magneto Key WipacL: 6,5mmH: 2,5mmT: 1,5mm

BSA 350/500 B 31,32,33,34 Throttle Cable 1956-57

Triumph Trophy 250 Replacement Parts Catalogue 1969

TR25W 250cc (15cu.ins.)
59 Pages

Ariel 500cc (V78) Exhaust Valve
V78
Mod. VH-VG iron head 1935-53
suitable valve guide = 491-35

Mod. VH-HS-HT Alloy Head 1950-55
suitable valve Guide = 491-50

Diameter Head: 43.815 mm =1,725"
Shaft Diameter: 9,4488 mm = 0,372"
Length: 105,156 mm = 4,4,140"