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.

The new diesel bike has a Kubota D850 engine. This is an INdirect injected diesel. As a result, diesel is injected into a prechamber, which is nice and hot, the fuel then vapourises and gets sucked into the combustion chamber. This means that the engine is much more tolerant of fuels of different thickness etc, and also means that ring gumming is not so much of a problem.

I also have a Mercedes E300 Turbodiesel as a runabout. This cost me £280 so is ideal for testing various fuel mixtures on it!

I am currently testing waste vegetable oil (or WVO). I prepare this by pouring it into a 100 liter drum, through a 10 and 5 micron filter sock, 5 liters of petrol is also added per 100L of WVO.

Once its in this barrel, it stays there for a week to settle. A tap is then used to drain the bottom 1L or so of rubbish that settles, and the rest is then ready to use.

My initial experiments with both the vehicles have been good. The E300 TD with the OM606 engine runs really well on this mix. It is imperative to ensure there are no air leaks in the fuel system of this engine, ideally before you start putting WVO into it, as they will only get worse on the thicker fuel. Replace all the O rings (including shut off valve o ring) on all the clear pipes before the pump. Also ensure that your strainer (both tank and prefilter) are clear.

Once all done, you have an engine that sounds like this:

and starts pretty well (with one glow plug dead):

The Kubota D850 is pretty much the same, here is a warm start and cold start:


R230 Restoration – ABC Flush, New speaker install and more!

Busy this Saturday getting some outstanding jobs done.

First was an ABC Flush and new filter (see my other post for a how to on this one) and a new wing mirror indicator.

I also set to work installing the new speakers. I chose Pioneer TS-G1732i as they are shallow mount, and there were no 9inch speakers to fill the hole. I also used some 6.5inch to 8 inch MDF speaker adapters. They required slight modification.

The original product with a blown driver:


Rubbish blown driver removed:


Replacement speaker screwed into adapter:

I had to install this offset as the hole left is 9 inches. I then drilled holes through the plastic housing, and sunk the screw holes into the MDF adapter.

Threaded clip on the other end and its in there firmly.

Surrounded the gaps with high density foam, and glued it all into place.

Onto the door cards.

The old ones were water stained, and faded, making them pretty manky to look at. Whilst I had them off (to access the speakers) I went at them with some leather dye in alpaca grey (code 508A).

After cleaning off the door card with some leather cleaner, and conditioning it I applied the dye sparingly to a sponge and padded it on. Then swapped to a clean part of the sponge to apply evenly.

Old manky door card:


Halfway through:


After lots of hard work!


Pretty happy with how that turned out.

The passenger door is much worse and I am going to need to find a good supplier of the darker upper bit. Its Dark Alpaca Grey (code 518a). The closest supplier I can find is gliptones, so will give them a go!