Registered Forum User
Big Twin
Posts: 1,099
Join Date: Dec 2004
Location: north hampshire
Mood: is it cos i is a bricklayer
there are three marks pertaining to each piston- two marks for the pick up coil marks
you;ll find two dots that are very close together - one is slightly larger than the one next to it - this is the TDC the next one about 7-8mm awayturning flywheel anticlockwise is tickover firing point -the next one is the firing point full chat-hope this makes sense