How to – Rebuild Kubota D850 injectors

The Kubota powered superdream diesel had been having troubles running properly on my new fuel blend. On 95% veg oil and 5% petrol, it ran like this:

Take note of the looping idle and noted inability to idle in the first place.

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Veg(efuel) Experiments

I have recently been playing with Vegetable oil as a fuel.

I had some experience with my XJ600 Diesel bike. That was fitted with a Yanmar L100 clone, which is a direct injected 400CC single cylinder diesel. That type of engine is not ideal for running on vegetable oil, as fuel gums up the rings when it hits the cold cylinder walls.

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