DETAILED NOTES ON BIKE ENGINES

Seatstay: part of the bike frame, little diameter tubes operating from best of seat tube to rear dropoutsMost V-twins have one crankpin shared by side-by-aspect connecting rods so which the cylinders are marginally offset, but a variation is to possess a single crankpin with "fork & blade" con-rods, to help keep the cylinders in line. Non-ninety°