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T29 Spanner Size

bmetcalf

Well Known and Active Forum Website User
VOC Member
Can anyone tell me the spanner size or A/F dimension for the hex on T29, Chain oiler fitting?
 

chankly bore

Well Known and Active Forum Website User
Non-VOC Member
Sometimes the Works used different hexagon sizes depending on what was to hand. For example, I have seen a big-end Quill, OP9/1 with a larger hex. on an original American delivered 1951 Shadow. So, if you have a .720" hex. it may be original. Has anyone else seen similar variations? My 1951 Comet has oversize hexagons on FF53.
 

bmetcalf

Well Known and Active Forum Website User
VOC Member
I ended up using my 5/8" spark plug socket wrench. It's only .025" off! The cause of doing this was to put a Ducati breather in the rear inlet spring cap position. I had cleared the way, then remembered the upper guide seat wasn't modified for air/mist and oil passage, so I changed plans and retimed the standard breather. My Kawa steering damper was hitting the Duc breather when I had it on the front.
 
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