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SMC17

Updates on Honda repowers

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SMC17
Guys could you give me some updates on the Honda repowers for the large frame series. I'm struggling with my Onan and I'm about to really consider replacement with a Honda from SEW. After reading the archives and digesting as much as possible I'm wondering if those that have repowered their 620/720/9020 could provide some progress reports on the following: Has SEW addressed making the Kit more user friendly with printed instructions, wiring diagrams, etc. Has SEW made an engine riser that lines up with the current holes in the tractor frame? How has the Honda held up? Any problems with overheating? Are there any additional tricks or mods that make this repower more effective? Are maintenance parts readily available and affordable? Any other problems that one should be aware of before ordering the Kit? Thanks, Sean

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eagle5473
me too lets hear from you guys, also what other engines have you guys used within reason (GEO comes to mind) Does anyone know off hand the shaft dimention on the CCKB? 1" 1 1/8" I would like to do a transplant, but was hoping to do it for less than the SEW price tag,

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Titan
Have you fully investigated what it would take to get your Onan back up and operational? I had one that I had JP (one of the contributors here on the forum) go through and I'm very satisfied with the end result. The tractor remains original, the engine runs excellent, and the total cost to me was much less than the time and expense of doing a transplant.

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AC808
Aaron... Ive looked at a GEO 3 cyl..i assume thats what you mean...its a bit too tall to fit...length is good...Ive also looked at a Yanmar diesel from a refer unit that needed rebuilt..itll definatly fit, just didnt have enough 'hobby cash' available at the time...so im going to keep looking for one..

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PGL
A former? club member who had 3 620's and 720's got a good price on 2 B&S twins - 24 hp and installed one with some machining for the interconnection. It fits beautifully, comes complete with the starter/generator and runs cool. He worked in maintenance for many years and knew what he was doing. He has had to change careers because of back problems and decided not to change out the second machine. I bought the engine from him, and he put it in mine, a 620 with a loader I will be using in a remote location. The old Onan was within original specs for oil pressure and compression and was running well with a recent valve job and fuel pump rebuild, but I couldn't resist the chance for a new engine which hopefully will run relatively trouble free for even half as long as the Onan already has. In any case, I now have a 19.5 Onan complete with starter generator and muffler which may be used to restore to "original" or become part of a CAD digger, but if someone needs a transplant to keep one of thes great machines alive, please contact me. I will try to get some pictures of the new installation, but won't be able to for a few weeks due to holidays and work.

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eagle5473
I was just joking about the GEO transplant I have seen pictures of one that has been done I am talking more down to earth transplants of BS/KOLER/ROBIN avalable engines that arent too far outhere like the GEO or some of the Deisel jobs that would take alot of work.....Anyone have an idea of what the compression should be on the CCKB's? mine is at 120 lbs unrebuild

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KohlerMan
My brother did a Lombardini diesel repower in a 9020 powrmax, and it runs beutiful, kinda a big job, but it sounds like a beast! (It has a torbo). It runs strong, its dependable, and has turned into a real machine. I have heard a lot of good with those Hondas and also with Kohlers, you may want to look into those a little bit. the Kohler costs more, but if you have the money, its worth it! hope this helps...... KohlerMan

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