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BSA/Triumph Piston B25 & TR25 Std.

Bore: 67mm
Piston Clearance 0.12mm or 45thou

comp. ratio 9.25:1 with rings, circlips and gudgeon pin

Chainguard BSA DBD34 chrome
Swinging Arm
Bsa

BSA/Triumph Piston B25 & TR25 +020

Bore: 67mm +020 (=67.5mm)
Piston Clearance 0.12mm or 45thou
comp. ratio 9.25:1 with piston rings, circlips and gudgeon pin

BSA/Triumph Piston B25 & TR25 +040. Gugin pin 11/16" = 17.5mm. Compression hight 29.75mm. 

Bore: 67mm +040 (=68mm). including gudgeon Pin, piston rings and circlips. Piston Clearance 0.12mm or 45thou. 

comp. ratio 9.25:1. 

BSA/Triumph Piston B25 & TR25 +060

Bore: 67mm +060 (=68.5mm)
Piston Clearance 0.12mm or 45thou

comp. ratio 9.25:1 with piston rings, circlips and gudgeon pin

Wiring Harness Triumph T90/T120 1963-65 6 Volt

no wiring diagram available
Made in England

Ariel 350 cc OHV 1933-1955 O.H.V. Std. = 72 mm
NG. NH. WNG. Red Hunter compr. ratio 6.2:1
incl. piston rings, gudgeon pin, circlips.
Piston Clearance 0.12 mmPlease look at all pictures

Brake Pedal BSA Gold Star Clubman Mod. 350/500cc

Made in England

2 5/8"- 66mm
pin:16mm

used - no warranty

Piston 2 9/32"- 58mm

Ariel Piston
2 13/16" 72mm

new, old stock

Hole gudgeon pin 19 mm
Compr. hight 71 mm

Piston 3 5/16" 84mm
Pin Diameter: 21.9mm

Piston 2 7/16" 62mm
pin:19mm
Made by H&G

2"- 50.5mm
12.5mm pin
2/s piston
Hepolite used - is probably new
no piston rings
for restoration - no warranty

Piston
2 11/16"-69mm 4th Piston Ring broken

Mudguard Stays rear BSA Goldstar Price per Pair
Chrome2nd QualityPlease look at all pictures
 

2 19/32"-66.5mm
11/16" pin
Hepolite
Original BSA Piston
NOS

2 1/8"-64mm

2 3/4"-69.5mm +020
16mm pin

BSA Piston
2 15/16"-71mm
NOS

79.5mm
Original BSA piston
NOS

Piston 3"-76.5mm

used - no warranty

Piston Odd 82.5mm
Gudgeon Pin Diameter: 20.6mm
Compression Height: 39.05mm
 

BSA Primary Chaincase Gasket B31. B32. B33. B34. C10. C11 1937-53
M20. M21. M33. WM20. WM21.
Primary Drive
Rigid and Plunger Mod.
Metal Chaincases
Dynamo Mod. 1937-57Length last pict.

AJS/Matchles Primary Chain
3/8"x0.225
76Links
Matchless G2/G2s/G2CS/G2CSR
AJS 14/14CS/14CSR incl. connecting link