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I have a Early B6100 with a D650 engine . It has a Siphone cooling system. Has anyone tried fitting an electric pump ? What are the pitfalls, Is it any better as later machines have a belt driven waterpump.

Hi All , after some advice on my D650 engine fitted in a b6100. The engine has been a poor starter and has now been overhauled . I have got 0.5 oversized pistons ,new liners , New head and valves. Diesel pump and injectors both overhauled. Compression it as book The engine would only run...

I have an old B6100 with a d650 engine .Has anyone swopped out the engine for a larger and more modern unit. I was looking at a 905 engine, but would like to know what people have done and would recommend.

I started a thread a short time ago asking what people thought of some of the cheap parts available on the market for kubotas of all ages. I went with the general opinion that genuine was the way to go. Stripped and overhauled my D650 engine and was very pleased with the results with the...

Hi all can i ask what the general thoughts are of the parts supplied by Kumbar Bros . I am looking for a D650 overhaul kit and the price seems good but i was interested in the quality of the parts as I am in the UK . Any experiences of these parts or the supplier would be greatful.

After a recent purchase i have just replaced the cylinder head and got it running and noticed the oil light on at idle. Did a pressure test and basiclly non at idle and about 14psi at high revs. Did a bit of research and found out about the plug coming out of the end of the cam shaft. I stripped...