After my meeting of Allan Savins i wondered around the old grey faced guru's of yesterday asking about the myth that the Yamaha KT100S engine sprocket would fit the Mac Engines and i bought a couple of ebay australia to test the water and guess what they do
The ones i got are for the short shaft i believe as i'm no yammmmmie man.
I did a dye check on the taper and i get a full contact so it looks as if i'm in business.
Mc Bob
Yamaha KT100S Engine sprockets onto a Mac Engine.
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Re: Yamaha KT100S Engine sprockets onto a Mac Engine.
McBob,
There is about a 1/2 degree difference between the Mc and Yamaha. That's why you can lap one on the other...
Good job
Rick Chapman
There is about a 1/2 degree difference between the Mc and Yamaha. That's why you can lap one on the other...
Good job
Rick Chapman
I Never Thought I'd Be Vintage !!
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Re: Yamaha KT100S Engine sprockets onto a Mac Engine.
I bought a Horstman oil/disc clutch for a Mac/yam, then bought the drive hub for the mac/yam...now for the life of me I can't remember which is which, they are so close as mentioned. The only diff by looking is the Mac has a wider key slot in the drive hub. I then measured the slot in a mac crank, the width is right on. I never ran the clutch, back in the box as new with a second drive hub. TL