Hi Dee Bee,
Sad news !
There is no such thing as a complete overhaul kit. It's on a bit by requirement basis only.
I'll have to say though at the moment it's starting to become a tad tough sourcing bits and pieces apart from standardised parts like bearings etc.
There are no pieces like chassis parts available at the moment as most original stock piles have been exhausted and there are no after market bits being currently made nor sold apart from Clutch halves.
Try looking for a LH Reel Bearing carrier for an early 20 inch Series one machine ???????? more chance of finding rockin' horse proverbial.
Even the standardised carriers for the 17 and 14 inch machines are no longer available and that's sad.
As far as putting a Chonda on the Scotty, that shouldn't be an issue, but as long as you keep good oil in it and service it regularly you'll have no issues there. One thing that the Chonda have over the earlier Briggs engines is their smoothness and that is an advantage on a twin railer.
As far as the height adjuster, if you are a careful operator you should get that one perfectly straight with no thread issues.
But Yes I would check out the rails before going one whole step further.
Cheers,
BB.
