complete compr. ratio 9.4:1 Dm. 79 mm Made by GPM Middle gudgeon pin to lowest point of piston: 29 mm Middle gudgeon pin to highest point of piston: 41,5 mm Gudgeon pin diam. 19 mm
can be used f. Norton ES2 or 16H higher compression piston - but need a small end bush Piston Clearence 0.12mm or 45thoumit Kolbenbolzen, Kolbenringen und Sicherungsringen
BSA B44 Piston complete
+040 = 80 mm
compr. ratio 9.4:1
Made by GPM
Middle gudgeon pin to lowest point of piston: 29 mm
Middle gudgeon pin to highest point of piston: 41,5 mm
Gudgeon pin diam. 19 mm
Useable on JAP. JOS engine or JTOR. Jap engine clearance 0,13mm
can be used f. Norton at +40
Piston Clearance 0.12mm or 45thou
weight without rings 371 g
weight with rings 400 g
complete
+60 = 80.5 mm
compr. ratio 9.4:1
Made by GPM
Middle gudgeon pin to lowest point of piston: 29 mm
Middle gudgeon pin to highest point of piston: 41,5 mm
Gudgeon pin diam. 19 mm
can be used f. Norton
Piston Clearance 0.12mm or 45thou
with piston rings, circlips and gudgeon pin