bolt length, dia and thread # on Ca77 dyno to r h crank shaf

solarcycles1 · Post by **solarcycles1** » Sun Jan 27, 2008 10:42 pm

I need to know what size tap to clean out the right hand threaded crankshaft on a Ca77 1964 305 motor. I also need to replace the bolt, Part # 90026-259-000, If someone can tell the size of bolt, dia , and thread size, great!! This attaches the Dyno to this tapered rh crankshaft.
SS

rrekr · Post by **rrekr** » Tue Jan 29, 2008 5:37 am

Welcome to the forum solarcycles1. I will try to get the measurments today if somebody doesn't already give you this information.
Randy

ggray · Post by **ggray** » Tue Jan 29, 2008 8:26 am

SOlar,

The dyno bolt is an M8-1.25 bolt.

I got mine at Western Hills Honda.

Call and ask for Terry in Vintage parts.

http://www.westernhillshondayamaha.com

Gary

solarcycles1 · Post by **solarcycles1** » Tue Jan 29, 2008 8:56 am

Thakyou for the infomation and verification. I only have one chance to tap the crank and it needed to be the correct size!!!!
SS

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bolt length, dia and thread # on Ca77 dyno to r h crank shaf

bolt length, dia and thread # on Ca77 dyno to r h crank shaf

Dyno Bolt

dyno bolt