| No. | Item | Definition |
|---|---|---|
| 1. | ABS | anti-lock braking system |
| 2. | air pump | device inflating tires |
| 3. | airbox | housing for intake air |
| 4. | apex | inside point of a turn |
| 5. | armor | impact-protective padding |
| 6. | axle | shaft supporting wheel rotation |
| 7. | back protector | spine-protective gear insert |
| 8. | battery | stores electrical power |
| 9. | bearing | part reducing friction |
| 10. | blind spot | area unseen in mirrors |
| 11. | boots | protective riding footwear |
| 12. | brake | device that slows the motorcycle |
| 13. | braking | slowing with the brakes |
| 14. | burnout | spinning tire without moving |
| 15. | cable | flexible control line |
| 16. | caliper | brake unit squeezing rotor |
| 17. | carburetor | mixes fuel and air |
| 18. | chain | final drive linking sprockets |
| 19. | choke | cold-start fuel enrichener |
| 20. | clutch | lever that engages engine drive |
| 21. | coolant | liquid removing engine heat |
| 22. | crankshaft | shaft converting piston motion |
| 23. | cylinder | engine chamber for piston |
| 24. | debris | scattered objects on road |
| 25. | downshift | change to lower gear |
| 26. | earplugs | hearing protection inserts |
| 27. | engine | motor that powers the bike |
| 28. | exhaust | system carrying engine gases |
| 29. | fairing | body panel reducing wind |
| 30. | fog | thick cloud near ground |
| 31. | footpeg | foot support for rider |
| 32. | fork | front suspension assembly |
| 33. | frame | main structural skeleton |
| 34. | fuse | safety device for circuits |
| 35. | gasket | seal between joined parts |
| 36. | gear | selected transmission ratio |
| 37. | glare | harsh bright reflected light |
| 38. | gloves | hand protection for riding |
| 39. | gravel | loose small road stones |
| 40. | grip | rubber handhold on handlebar |
| 41. | handlebar | steering bar held by rider |
| 42. | headlight | front light for visibility |
| 43. | helmet | protective headgear for riding |
| 44. | horn | warning sound device |
| 45. | hub | center part of wheel |
| 46. | idle | engine running without throttle |
| 47. | ignition | system that starts combustion |
| 48. | injector | sprays fuel into engine |
| 49. | intake | path bringing air in |
| 50. | intersection | place where roads cross |
| 51. | jacket | protective upper-body clothing |
| 52. | kickstand | side support when parked |
| 53. | kill switch | switch that stops engine |
| 54. | lane split | ride between slow lanes |
| 55. | lean | tilt into a turn |
| 56. | lever | hand control arm |
| 57. | master cylinder | hydraulic brake pressure source |
| 58. | merge | join moving traffic flow |
| 59. | mirror | reflector for rear view |
| 60. | muffler | part that reduces exhaust noise |
| 61. | neutral | gear position without drive |
| 62. | odometer | distance-measuring gauge |
| 63. | oil | lubricant for moving parts |
| 64. | overtake | pass another vehicle |
| 65. | pannier | side-mounted luggage case |
| 66. | patch kit | kit for tire repair |
| 67. | pedal | foot-operated control |
| 68. | piston | moving cylinder component |
| 69. | pothole | hole in road surface |
| 70. | puncture | small hole in tire |
| 71. | radiator | cools engine with fluid |
| 72. | rain | water falling from clouds |
| 73. | reservoir | container for brake fluid |
| 74. | rim | outer wheel edge |
| 75. | rotor | spinning brake disc |
| 76. | roundabout | circular traffic junction |
| 77. | seat | place where rider sits |
| 78. | shifter | lever used to change gears |
| 79. | shock | rear suspension damper |
| 80. | spark plug | ignites fuel-air mixture |
| 81. | sprocket | toothed wheel driving chain |
| 82. | starter | motor that cranks engine |
| 83. | suspension | system absorbing bumps and shocks |
| 84. | swingarm | rear arm holding wheel |
| 85. | tachometer | gauge showing engine rpm |
| 86. | taillight | rear light showing presence |
| 87. | tank | container holding fuel |
| 88. | throttle | control that increases engine power |
| 89. | tire | rubber wheel covering |
| 90. | transmission | system transferring engine power |
| 91. | tripmeter | resettable distance counter |
| 92. | turn signal | blinking indicator for turning |
| 93. | upshift | change to higher gear |
| 94. | valve | opens and closes passage |
| 95. | visor | clear face shield |
| 96. | wheel | rotating part carrying tire |
| 97. | wheelie | front wheel lifted up |
| 98. | windshield | screen blocking wind |
| 99. | wobble | unstable handlebar shaking |
| 100. | yield | give right of way |
