Hi Mark,
I would not be too concerned about the servicing. It is a Toyota !
My machine is a low miler, and I don't do many miles each year.
Look at the condition of the engine oil, the antifreeze, other fluid levels.
Has the machine been prepared for sale properly ?
On a low miler, I would be looking at tyre condition, flat spots from long rest periods.
The battery condition is a must concern. If your battery is sub-optimal you may experience various electrical gremlins.
Starting in winter could become a challenge.
My advise, to all owners, is ensure you keep your starter battery in tip top condition.
I have a smart charger, which cost about the same as a new battery, well worth the expense.
You will need someone competent to maintain it.
Enquire what the servicing costs are.
I have read gearbox oil and filter changes are important.
Is the current owner the first UK owner ?
Ask them where they bought it.
Again, my standard advice is, no Auction Report no purchase.
It is a legal requirement for export from Japan.
Some just get lost, some deliberately !
The auction report will certify the 'mileage' at auction; which does not mean the value has not been clocked; but clocking in Japan is rare.
Ask for the BITMA report, although if they won't give you the Auction Report they won't give you the BITMA.
You can buy the BITMA report yourself.
Finally, find an insurer BEFORE you buy !
Good Luck