How to Gear Shift a 125CC Dirt Bike

Written by tyson simmons
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How to Gear Shift a 125CC Dirt Bike
Suzuki RM 125 (Suzuki Motors)

Low torque comes in a subtle way with 125cc dirt bikes, so gear shifting is a little different than other dirt bikes. You have to be prepared for quick power, and know how to shift smoothly. Use the clutch on the dirt bike to control the momentum on the motorcycle, rather than using the brakes.

Skill level:
Moderately Easy


  1. 1

    Start your 125CC dirt bike.

  2. 2

    Pull in the clutch, and shift the bike into first gear by stepping down on the shifter.

  3. 3

    Give a smooth, small amount of throttle, and slowly let out the clutch. When the bike begins to take off, slowly add a little more throttle.

  4. 4

    As the bike begins to speed up, give a smooth clutch feed by keeping the clutch pulled in only slightly. If the nose begins to rise off the ground, add a little more clutch, and tap the rear brakes.

  5. 5

    When the RPMs on the bike have nearly topped, pull in the clutch once more, and shift into second gear by lifting up hard on the shifter lever. Again, slowly let out the clutch and increase on the throttle.

  6. 6

    Use this same procedure to shift up and down between gears, as you keep forward momentum on the bike.

Tips and warnings

  • Don't hit the throttle too hard when taking off--you'll risk popping the front tire too high in the air.

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