And a second variation on a theme - a motorcycle with a snowmobile engine...
Chassis is a suzuki vx800
The builder was funny about changing the 800 logo on the tail to a 900 (since it was a two-stroke 900 snowmobile engine)
If heat is applied slowly, without burning, it may be a realistic looking Accelerated Aging simulation. No direct experience, of course, that's why I said "may".