| Motor oil | 9 |
| Motor oil abbr. | 15 |
| Motor oil additive | 18 |
| Motor oil additive brand | 24 |
| Motor oil additives | 19 |
| Motor oil brand | 15 |
| Motor oil can letters | 21 |
| Motor oil letters | 17 |
| Motor or cycle preceder | 23 |
| Motor or dent preceder | 22 |
| Motor or focal preceder | 23 |
| Motor or guitar adjustments | 27 |
| Motor or mechanism starter | 26 |
| Motor or meter leader | 21 |
| Motor or mineral, for two | 25 |
| Motor or partite preceder | 25 |
| Motor or schnozz ender | 22 |
| Motor part | 10 |
| Motor problems | 14 |
| Motor scooter model | 19 |
| Motor ship driver | 17 |
| Motor sound | 11 |
| Motor speed: Abbr. | 18 |
| Motor suffix | 12 |
| Motor suffix, commercially | 26 |
| Motor trailer | 13 |
| Motor traveler's org. | 25 |
| Motor treatment letters | 23 |
| Motor Trend focus | 17 |
| Motor Trend job | 15 |
| Motor Trend magazine award | 26 |
| Motor Trend topics | 18 |
| Motor Trend's 1968 Car of the Year | 38 |
| Motor Trend's 1968 Cars of the Year | 39 |
| Motor Trend's 1971 Car of the Year | 38 |
| Motor trip | 10 |
| Motor turn, for short | 21 |
| Motor type | 10 |
| Motor Up alternative | 20 |
| Motor vehicle | 13 |
| Motor vehicle bureau feature | 28 |
| Motor vehicle features | 22 |
| Motor vehicles | 14 |
| Motor with some muscle | 22 |
| Motor with some oomph | 21 |
| Motor ___ | 9 |
| Motor ___ (motel) | 17 |
| Motor's power, informally | 29 |
| Motor-club letters | 18 |
| Motor-coach waiting area | 24 |
| Motor-current system | 20 |
| Motor-driven | 12 |
| Motor-home owner | 16 |
| Motor-home owner, briefly | 25 |
| Motor-mouths love them | 22 |
| Motor-oil additive | 18 |
| Motor-oil can letters | 21 |
| Motor-oil level testers | 23 |
| Motor-scooter maker | 19 |
| Motorbike daredevil | 19 |
| Motorbike fill-up, perhaps: Abbr. | 33 |
| Motorboat docks | 15 |
| Motorboat feature | 17 |
| Motorboat's tow, perhaps | 28 |
| Motorboat's wake | 20 |
| Motorboats, to sailing fans | 27 |
| Motorbus forerunner | 19 |
| Motorcade car | 13 |
| Motorcade leader | 16 |
| Motorcade member, maybe | 23 |
| Motorcade units | 15 |
| Motorcade V.I.P.: Abbr. | 23 |
| Motorcade vehicle | 17 |
| Motorcade VIP | 13 |
| Motorcade VIP (abbr.) | 21 |
| Motorcade wheels | 16 |
| Motorcar maker from Manchester | 30 |
| Motorcar manufacturer | 21 |
| Motorcoach | 10 |
| Motorcycle accessory | 20 |
| Motorcycle add-on | 17 |
| Motorcycle add-ons | 18 |
| Motorcycle adjunct | 18 |
| Motorcycle attachment | 21 |
| Motorcycle attachments | 22 |
| Motorcycle club for astronomers? | 32 |
| Motorcycle club for dairy farmers? | 34 |
| Motorcycle club for Marilyn Monroe fans? | 40 |
| Motorcycle club for martial artists? | 36 |
| Motorcycle club for women? | 26 |
| Motorcycle club wear | 20 |
| Motorcycle daredevil's prop | 31 |
| Motorcycle demos, e.g. | 22 |
| Motorcycle designed for acrobatic maneuvers | 43 |
| Motorcycle engine sound | 23 |
| Motorcycle engine units, briefly | 32 |
| Motorcycle Hall of Fame name | 28 |
| Motorcycle helmet and gloves? | 29 |
| Motorcycle hero | 15 |
| Motorcycle maker | 16 |