Life expectancy for Kawasaki 20hp air cooled engine?

cjsm5nys(5)June 5, 2011

With all things considered, how long will a Kawasaki 20hp air cooled engine last?

I ask only since I am considering to upgrade to a 2004 John Deere GX255. It has 612 hours. Dealer said this machine has been maintained regularily at his shop and transaxle fluid changed at 500 hours. Machine looks well cared for.


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I've seen those generation Kawasaki air cooled twins with hours in the mid teens and a couple over 2000 hours.

Change the engine oil and filter and air filter and do the other routine maintenance at the prescribed intervals and you should have no problems for a long time.

    Bookmark   June 6, 2011 at 11:41AM
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I have read recently blogs about carberator issues with the Kawasaki 20 hp engine in GT245's. The GX has this same engine but I really have not come across any such issues from anyone I know.

Is this really an issue?

    Bookmark   June 13, 2011 at 10:15PM
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dennyin(Central Indiana)

With regular maintenance I had one go 1650 hours before the rod broke.

    Bookmark   June 15, 2011 at 5:55PM
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It was a real issue. I bought a used GT series (GT225) two years ago. Looked at a mint GT245 but it had the tell-tale signs (blew black smoke on start-up, blacked inner front rim, etc.). Mint tractor with 80 hrs, could have it for probably $2800, but I wasn't going to buy any known problems. I confirmed it with JD corporate that at least the one I was looking at was covered under the problem. I was given a range of engine numbers that were impacted. I read that jets could be changed, but created a lean-running problem for some. After that discovery, I limited my search to the GT225, GT235 and GX325. Unless you can confirm that the particular engine is covered, I think it would be susceptible.

    Bookmark   June 17, 2011 at 9:20PM
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