Part 1: Stihl 064 to 066BB Conversion- Drilling and Tapping Crankcase
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- เผยแพร่เมื่อ 21 ส.ค. 2024
- This video explains a bit about installing an aftermarket Stihl 066 Big Bore top end made from Bailey's, onto a 064 bottom end. This is Part 1 and it covers drilling and tapping the crankcase to fit the M6 x 25 spline screws that are OEM for an 066.
I could not find any video tutorials explaining this somewhat common upgrade for the less expensive Stihl 064 (85cc) conversion to a 066 BB ( 99cc).
The video is pretty long, and it's meant to be because I have some informative commentary along the way and I want to show the entire process highlighting potential hiccups you may encounter etc.
Actually this is very very handy info for people doing this swap. I’m doing a ms650 with a oem 064 top end so I need to slot my holes in the cylinder to make it able to bolt on.
Much easier to just oval the holes on the cylinder, thats what I did when I built my 064/066
What's the deal with it do they just not line up right? You oval all 4 holes or just 2?
Do you just drill them up to m6? Nothing else and it fits?
Did you finish this build? How did it turn out?
Yep, I've done it to two saws now. She rips