| Answer | Crossword Clue |
|---|---|
| AIRCOOLED | Like many motorcycle engines |
| STUDDED | Like many motorcycle jackets |
| VFOURS | Some motorcycle engines |
| desmodromic | denoting a system, used in some motorcycle and racing car engines, that employs eg cams, rockers, etc to ensure that the opening and closing of valves, when the vehicle is at high speed, is fully controlled |
| DIESELS | Many truck engines |
| multiengine | having many engines |
