Best was the Triumph Spitfire for ease of access as was my Moto Guzzi Le Mans.
Minis drove me mad me before damp start with the coil facing the spray. Ditto Honda CB350G where the spark arced through your knees in the rain till you replaced Mr Honda's metal plug caps.
Anything Renault.
Triumph T140Vs required a 3 armed person to work on them.
Changing plugs on my T16 engined Morgan = bonnet off
