The Triumph 2000/2500/2.5 Register Forum

Probably 1/8 NPT or 1/8 BSP. Not really much difference at that size.
Tony.

I replaced the one on the one on my Mk2 a few years ago with copper. Unless you have access to a drill press and something solid to bolt it to I'd take it to an engineering shop.A small job for someone with the right gear.Its liable to pick up on the narrow bore and throw you across the room if you ...

FWIW I have always used a Z103 filter which is fairly long, with no apparent problems. I also use Penrite 20/60 oil.
Tony.

Not really a good trick to run it like this.you don't necessarily need a non return valve in the filter, the spin on filter is fitted vertically so drain back shouldn't be a problem. The sooner you can get a pressure gauge fitted the better so you can see whats happening . Use a good quality 30/50 g...

What grade oil are you using? Just a thought.
Tony.

Thought it was me computer. Mine shows the same error message.
Tony.

While you got it apart, have a good look at the sleeve that inner part of the seal runs in. Make sure it's not grooved. I normally put it the lathe and give it a polish with fine wet and dry paper. Tony.

Suggest that you give it an oil change and see what happens .
Tony.

Ronald,
In my experience the best rear gearbox mounts are the Aussie one's from Greg Tunstell in Brisbane.
Even those one's don't like being soaked in gear oil for any length of time.
Tony.

If you can have a look underneath, check the weld around the diff extension where the 4 bolt fitting is welded to the tube. Had a similar vibration on my 2500 some years ago. Before the weekend when I was going to have a look, went over a railway crossing , lost drive and oil everywhere when the wel...