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Carburettor Body 25MDYAJ9171
used

for restoration - no warranty

Carburettor Body used
AF8255
4/022

for restoration - no warranty

8:1 Compression
BSA B40 Piston +60 = 80.5mm
Pin diameter: 19.00 mm
Middle Gudgeon Pin to top of piston: 41.25 mm
Length Gudgeon Pin: 66 mm
Piston Clearence 0.12mm or 45thouwith Piston Rings, Circlips and Gudgeon Pin

Piston. Bsa. 65-405 29351 62.9mm

+040
69.8mm

with Gudgeon Pin and Piston Rings

7304
+060
61.46mm

11062
69.85mm
Pat No. 616820

OHV
Model: FH Huntmaster
C.R: 7.25 to 1
STD=69.989mm

with Gudgeon Pin
no Piston Rings

Piston used 16945

16945
+040
67.95mm

with Gudgeon Pin

19916
+040
67.85mm

with Gudgeon Pin

Nüral

with Gudgeon Pin and Piston Rings
Diameter: 69.9mm

64.9mm

with Gudgeon Pin
1 Piston Ring missing

73.3mm

with Gudgeon Pin and Piston Rings

Hepolite, 61 mm, std., new, No. 4489

OHV
Model: Red Hunter, LG, LH, De luxe, OG, OH
C.R: 7 to 1
STD=61mm

with pin, light rust
new,old stock

Piston used

53.9mm

no Gudgeon Pin
no Piston Rings

+030
64.55mm

rusty Gudgeon pin
2 Piston Rings missing

BSA Valve Spring Set C11 C12 C11G

Outer Springs
OD: 33,3 mm
ID: 25,3
L: 49 mm
Thread Diam.: 4 mm

Small Springs:
OD: 21.6 mm
ID: 16. 5 mm
L: 37.4 mm
Thread Diameter: 2.5 mmValve Springs

19233A
+040
75.8mm 9:1 Compression
with Gudgeon Pin and Piston Rings Please look at All pictures

Piston Used

3.35mm

Wellworthy
1088
+020
78.15mm

no Gudgeon Pin
1 Piston Ring missing

72.7mm

no Gudgeon Pin
no Piston Rings

New Imperial 250cc Hepolite pistonModel 30. 30DL
4049
68 mm Diameterused or NOS, no guarantee1933-1936Mod. 30, 30TLPlease look at all pictures

+040
15304

61.05mm

with Gudgeon Pin
no Piston Rings

59.65mm

no Gudgeon Pin
no Piston Rings

M1710
62.9mm

with Gudgeon Pin and Piston Rings

TRIUMPH
Heplex
10500
+030
55.75mm

OHV
Model: De Luxe 3T, Twin
C.R: 6.3 to 1
STD = 55mm