On 09/04/2016 19:15, Fredxxx wrote:

I doubt it. Most modern diesel engines seem to produce near constant
power over a very large range of revs. Bike engines don't.

A lot of modern diesels have a flat torque curve. Not a flat power curve.

The few I've driven feel as if the power band is horribly narrow
compared to my car - which has peak torque at 4800...

Andy