2021 YAMAHA YZ125 Parts & Accessories

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Displaying parts for your 2021 YAMAHA YZ125

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See stock sizes for this machine

  • Front Tire:80/100X21
  • Rear Tire:100/90X19
  • Front Sprocket:13 Tooth
  • Rear Sprocket:48 Tooth
  • Chain:520X112
  • Spark Plug:BR9EIX
  • Main jet:430
  • Pilot Jet:40
For reference only. Please consult your owner's manual to confirm manufacturer specs.

How To Rebuild the Top End on a Yamaha YZ125 & YZ125X

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Tusk First Line Air Filter$11.88
★★★★⯪Rated 4.63 out of five stars.
Tusk Brake Pad - Sintered Metal$19.99
★★★★⯪Rated 4.43 out of five stars.
Tusk Folding Shift Lever$21.49
★★★★⯪Rated 4.51 out of five stars.
Tusk Brake Lever$7.99 to – $8.99
★★★★⯪Rated 4.64 out of five stars.
Tusk Clutch Lever$7.99
★★★★⯪Rated 4.53 out of five stars.
Maxima ProFilter Ready to Use Air Filter$12.88
★★★★⯪Rated 4.62 out of five stars.
Tusk Top End Gasket Kit$11.95
★★★★⯪Rated 4.44 out of five stars.
Twin Air - Air Filter$33.26
★★★★★Rated 4.84 out of five stars.
NGK Iridium Sparkplug$9.99
★★★★★Rated 4.89 out of five stars.
Tusk Carburetor Rebuild Kit$19.99
★★★★☆Rated 4.14 out of five stars.
Primary Drive Front Sprocket$9.99
★★★★★Rated 4.79 out of five stars.
JT Front Sprocket$11.99
★★★★★Rated 4.84 out of five stars.
Tusk Clutch Cover Gasket$4.99
★★★★⯪Rated 4.47 out of five stars.
Tusk Complete Gasket Kit$19.99
★★★★⯪Rated 4.38 out of five stars.
JT Rear Steel Sprocket$26.99
★★★★★Rated 4.75 out of five stars.
Tusk Wheel Bearing and Seal Kit$21.98 to – $22.98
★★★★⯪Rated 4.61 out of five stars.
Uni Air Filter$30.88
★★★★★Rated 4.76 out of five stars.
Twin Air Pre Oiled Air Filter$37.76
★★★★★Rated 4.82 out of five stars.
Odi V2 Half Waffle MX Lock-On Grips$26.06
★★★★⯪Rated 4.64 out of five stars.
Tusk Tach/Hour Meter$22.99
★★★★⯪Rated 4.61 out of five stars.
Neutron Brake Pad - Sintered Metal$13.99
★★★★⯪Rated 4.50 out of five stars.
Tusk Handlebar Risers$18.99 to – $21.99
★★★★★Rated 4.79 out of five stars.
EBC Brake Pad - Sintered Metal "R" Series$40.14
★★★★⯪Rated 4.65 out of five stars.
Odi V2 Rogue MX Lock-On Grips$26.06
★★★★★Rated 4.70 out of five stars.
Tusk Engine Oil Seal Kit$14.99
★★★★⯪Rated 4.57 out of five stars.
Acerbis X-Grip Frame Guards$42.88
★★★★★Rated 4.74 out of five stars.
All Balls Wheel Bearing Kit$29.17 to – $34.39
★★★★⯪Rated 4.51 out of five stars.
Tusk 520 Gold X-Ring Chain$4.99 to – $72.99
★★★★⯪Rated 4.61 out of five stars.
Primary Drive Rear Steel Sprocket$19.99 to – $23.99
★★★★★Rated 4.73 out of five stars.
Acerbis Full Plastic Kit$114.88 to – $119.88
★★★★⯪Rated 4.44 out of five stars.
Tusk Clutch Kit With Heavy Duty Springs$49.99
★★★★⯪Rated 4.47 out of five stars.
Motion Pro Clutch Cable$10.99
★★★★⯪Rated 4.58 out of five stars.
Tusk Competition Clutch Kit$59.99
★★★★⯪Rated 4.53 out of five stars.
Tusk Stainless Steel Typhoon Brake Rotor, Rear$44.99
★★★★★Rated 4.83 out of five stars.
Primary Drive 520 ORH Gold X-Ring Chain$4.99 to – $71.99
★★★★★Rated 4.66 out of five stars.
Tusk 520 Gold Plated Race Chain$4.49 to – $62.99
★★★★★Rated 4.75 out of five stars.
Hiflo Air Filter$18.70
★★★★★Rated 4.67 out of five stars.
Tusk Fork and Dust Seal Kit$26.99
★★★★☆Rated 4.31 out of five stars.
Tusk Flywheel Puller$12.99
★★★★★Rated 4.91 out of five stars.
Acerbis Front Number Plate$22.88
★★★★★Rated 4.79 out of five stars.
Tusk Counter Shaft Seal Kit$15.99
★★★★⯪Rated 4.57 out of five stars.
Tusk 520 O-Ring Chain$4.99 to – $52.99
★★★★★Rated 4.79 out of five stars.
Acerbis Lower Fork Cover Set$19.88 to – $26.88
★★★★⯪Rated 4.65 out of five stars.
Tusk High Pressure Radiator Cap with Temperature Gauge$24.99
★★★★☆Rated 4.25 out of five stars.
Tusk Stainless Steel Typhoon Brake Rotor, Front$44.99
★★★★★Rated 4.82 out of five stars.
Tusk Magnetic Drain Bolt$8.99
★★★★★Rated 4.73 out of five stars.
Primary Drive Sprocket Bolt and Nut Kit$6.99
★★★★★Rated 4.76 out of five stars.
Primary Drive Rear Aluminum Sprocket$39.99
★★★★★Rated 4.69 out of five stars.
JT Racelite Aluminum Rear Sprocket$31.99 to – $32.99
★★★★★Rated 4.84 out of five stars.
Tusk Aluminum Brake Pedal$59.99
★★★★⯪Rated 4.43 out of five stars.
Tusk Spark Plug Wrench$8.99
★★★★★Rated 4.78 out of five stars.
Tusk Folding Lever Set$49.98
★★★★★Rated 4.72 out of five stars.
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