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2021 YAMAHA YZ125X Parts & Accessories

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Displaying parts for your 2021 YAMAHA YZ125X

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See stock sizes for this machine

  • Front Tire:90/90x21
  • Rear Tire:110/90x18
  • Front Sprocket:13T
  • Rear Sprocket:50T
  • Chain:520x114
  • 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 4.65 out of five stars.
Tusk Brake Pad - Sintered Metal$19.99
★★★★⯪Rated 4.45 out of five stars.
Tusk Folding Shift Lever$21.49
★★★★⯪Rated 4.53 out of five stars.
NGK Resistor Sparkplug$1.99 to – $5.99
★★★★★Rated 4.92 out of five stars.
Tusk Clutch Lever$7.99
★★★★⯪Rated 4.54 out of five stars.
Maxima ProFilter Ready to Use Air Filter$12.88
★★★★⯪Rated 4.65 out of five stars.
Tusk Top End Gasket Kit$11.95
★★★★⯪Rated 4.45 out of five stars.
Tusk Brake Lever$7.99 to – $8.99
★★★★⯪Rated 4.65 out of five stars.
Pro Honda GN4 4-Stroke Motor Oil$9.99 to – $45.99
★★★★★Rated 4.95 out of five stars.
NGK Iridium Sparkplug$10.99
★★★★★Rated 4.89 out of five stars.
JT Front Sprocket$11.99
★★★★★Rated 4.85 out of five stars.
Tusk First Line Gloss Coat$7.99
★★★★★Rated 4.81 out of five stars.
Tusk Carburetor Rebuild Kit$19.99
★★★★☆Rated 4.29 out of five stars.
Tusk First Line Foam Air Filter Oil$7.99
★★★★★Rated 5.00 out of five stars.
Twin Air - Air Filter$33.88
★★★★★Rated 4.84 out of five stars.
Primary Drive Front Sprocket$9.99
★★★★★Rated 4.79 out of five stars.
Tusk Complete Gasket Kit$19.99
★★★★⯪Rated 4.38 out of five stars.
Tusk Tach/Hour Meter$22.99 to – $32.98
★★★★⯪Rated 4.57 out of five stars.
Tusk JIS Screwdriver Set$17.99
★★★★★Rated 5.00 out of five stars.
JT Rear Steel Sprocket$26.99 to – $27.99
★★★★★Rated 4.74 out of five stars.
Tusk Wheel Bearing and Seal Kit$21.98 to – $22.98
★★★★⯪Rated 4.65 out of five stars.
Tusk Clutch Cover Gasket$4.99
★★★★⯪Rated 4.48 out of five stars.
Primary Drive 520 ORH Gold X-Ring Chain$76.99 to – $88.99
★★★★★Rated 4.67 out of five stars.
Tusk Front Sprocket$16.99
★★★★★Rated 4.91 out of five stars.
Tusk Competition Clutch Kit$59.99
★★★★⯪Rated 4.52 out of five stars.
Acerbis X-Grip Frame Guards$45.88
★★★★★Rated 4.75 out of five stars.
Twin Air Pre Oiled Air Filter$39.88
★★★★★Rated 4.82 out of five stars.
Tusk 520 Gold X-Ring Chain$77.99 to – $90.99
★★★★★Rated 4.74 out of five stars.
Tusk First Line Contact Cleaner$7.99
★★★★★Rated 4.91 out of five stars.
Tusk Clutch Kit With Heavy Duty Springs$53.99
★★★★⯪Rated 4.48 out of five stars.
Neutron Brake Pad - Sintered Metal$13.99
★★★★⯪Rated 4.51 out of five stars.
Tusk Fork and Dust Seal Kit$34.99
★★★★⯪Rated 4.33 out of five stars.
Rocky Mountain ATV/MC Logo Sticker$0.29
★★★★★Rated 4.90 out of five stars.
Tusk Flywheel Puller$12.99
★★★★★Rated 4.92 out of five stars.
EBC Brake Pad - Sintered Metal "R" Series$41.74
★★★★⯪Rated 4.65 out of five stars.
Tusk Grip Glue$1.89 to – $16.90
★★★★★Rated 4.80 out of five stars.
Maxima SC1 Clear Coat$12.99 to – $155.88
★★★★★Rated 4.91 out of five stars.
Primary Drive Rear Steel Sprocket$19.99 to – $23.99
★★★★★Rated 4.73 out of five stars.
Tusk Handlebar Risers$18.99 to – $21.99
★★★★★Rated 4.78 out of five stars.
Motorex Cross Power Full Synthetic 2T 2-Stroke Oil$22.88 to – $79.88
★★★★★Rated 4.96 out of five stars.
Tusk Tire Iron Kit$24.99
★★★★★Rated 4.87 out of five stars.
Acerbis Full Plastic Kit$139.88
★★★★⯪Rated 4.48 out of five stars.
All Balls Wheel Bearing Kit$31.04 to – $36.31
★★★★⯪Rated 4.52 out of five stars.
Tusk Stainless Steel Typhoon Brake Rotor, Rear$44.99
★★★★★Rated 4.83 out of five stars.
Tusk Rear Aluminum Sprocket$39.99
★★★★★Rated 4.77 out of five stars.
Bel-Ray Gear Saver Transmission Oil$12.88
★★★★★Rated 4.87 out of five stars.
Uni Air Filter$30.88
★★★★★Rated 4.76 out of five stars.
Tusk Clutch Holding Tool$17.99
★★★★⯪Rated 4.47 out of five stars.
Engine Ice Hi-Performance Motorcycle Coolant + Antifreeze$29.99
★★★★★Rated 4.79 out of five stars.
Tusk Engine Oil Seal Kit$15.99
★★★★⯪Rated 4.59 out of five stars.
Maxima Fork Oil$8.99 to – $12.88
★★★★★Rated 5.00 out of five stars.
Tusk 520 O-Ring Chain$58.99
★★★★★Rated 4.81 out of five stars.
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