Hi, I've got a 682 Im repowering with the harbor freight 22hp motor. Got the adapter from the small engine warehouse, and the rest of the job is just basically drilling 4 holes in the mounting plate and using a bunch of washers on the engine mounting holes, and the PTO back bracket mounting bolts. The 1" - 1 1/8" adapter on ebay is needed, also a 1"washer since the end of the pto side of the crank isn't perfect so you need to make the space on the bearing of the pulley. The crank key needs to be shortened quite a bit... Will need a newer style ignition key- which has ground to mag. when on off. Probably some new choke/throttle cables. But all in all a pretty simple swap. Also will either need to modify exhaust or make a hole in the side panel and have it come out the side.
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