This is the reply I got for Lancing and to be honest it doesn't mean that much to me!
> This engine is a very rare Industrial version of the 1.8,
> as
> it has an externally-driven raw water pump mounted out on
> the starboard side. not internally driven like a standard
> 1.8, or Immediately above the crankshaft pulley like a
> 1.6.
>
> I believe the sea water pump can go on the front of the circulation
> pump, and that the fitment should use an adapter
> with a bore of 1.183" (30mm) and 4 bolt holes on a 2.000"
> pitch circle diameter.
> If you can confirm these dimensions, I can have a
> replacement mount block made. I do not have a record of
> the
> crankshaft bolt pattern for this version, so if you want
> it
> mounted there, you would need to send me your crank pulley
> for examination.
>
> Regards,
>
> Mike Bellamy,
> Lancing Marine,
I thought I would be able to buy a replacement from a car parts place, but it seems that this may not be so.
Here are some pictures:
So anyone got a solution please?
Many thanks
Mac