hello PW ,,,,,, just rebuilt my 1 Kw generator which was at service on my workplace for last 7 years ,,,,,,,,,, it work flawless during all that time without breaking a single sweet ,,,,,,,, the only problem which I find was a leak exhaust valve guide ,,,,,,, I was leaking exhaust gases insides crank case ,,,,,,,, any how vales along with valve guides and piston rings have been replaced ,,,,,,, and I am sure its now again “load shading Ready” ,,,,,,,,