mac cranks

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robert jackson
Posts: 8
Joined: Fri Dec 19, 2008 10:15 am
Vintage Karting items owned: have 3 margay 74-75 karts .macs and komets

mac cranks

Post by robert jackson » Thu Dec 13, 2012 7:29 pm

need some help---we are looking for two 91/b1 cranks. we have two with damaged pto keyways..any help would be appreciated.. big bo from phx az you can pm us

Mike Birdsell
Posts: 14
Joined: Thu Sep 17, 2009 10:31 pm
Vintage Karting items owned: Margay Pro X single engine
2 Cheetah MK lll
Margay Expert
User Agreement: Yes
Location: Concord,North Carolinia

Re: mac cranks

Post by Mike Birdsell » Thu Dec 13, 2012 8:35 pm

Back in the day i used to have some one weld over threads on crank and have them turn it down and put left hand threads and you don't need key ways.You do need to lap real good tho.Probably a lot cheaper than buying cranks..

Mike

Terry Sullivan
Posts: 298
Joined: Sun Aug 12, 2007 9:36 am
Vintage Karting items owned: 4 Bugs, including the Wasp bought by my Dad in 1959. Many Clintons and a few Macs
User Agreement: Yes
Location: Cumming, GA

Re: mac cranks

Post by Terry Sullivan » Fri Dec 14, 2012 3:57 pm

I believe Terry Ives can repair Mac cranks

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