Originally Posted by
1.9 xr2 on 40's
but its faster!

And far less common than the mass produced 1.6.
Only ever 100,000 Puma 1.7 engines made and delivered from Yamaha and 99% of them went in the Puma. Ford have
no spare engines now.
I'd not have a 1.7 again knowing how fragile they are.