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1986 YAMAHA YZ125 Parts & Accessories

Fits Your Machine

Displaying parts for your 1986 YAMAHA YZ125

See stock sizes for this machine

  • Front Tire:80/100X21
  • Rear Tire:100/100X18
  • Front Sprocket:13 Tooth
  • Rear Sprocket:50 Tooth
  • Chain:520X112
  • Spark Plug:B9EG

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

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Motion Pro Clutch Lever$11.99
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Primary Drive 520 ORH X-Ring Chain$3.99 – $60.88MSRP: $5.99 – $71.95 You save up to 15%
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All Balls Fuel Petcock Rebuild Kit$15.45MSRP: $17.17 You save 10%
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Tusk Motorcycle Flag Mount Adaptor$9.99MSRP: $10.99 You save 9%
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Pro X Connecting Rod Kit$98.37MSRP: $129.43 You save 24%
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Tusk Petcock Rebuild Kit$8.99MSRP: $12.99 You save 31%
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Tusk Shock Seal Bullet Tool$12.99MSRP: $15.99 You save 19%
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Tusk Billet Start/Kill Switch$14.99MSRP: $29.99 You save 50%
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Polisport Armadillo 2-Stroke Pipe Guard$53.88MSRP: $80.99 You save 33%
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Tusk Swing Arm Chain Adjuster Bolt Repair Kit$15.99MSRP: $29.99 You save 47%
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Renthal Aluminum 7/8" Handlebar$94.88 – $104.88
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RK 520EXW Gold XW-RING Chain$8.06MSRP: $8.95 You save 10%
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Seal Savers Zip-On Fork Covers$29.95
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Motion Pro OEM Style Clutch Perch$20.99
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CV4 High Pressure Radiator Cap$32.99 – $36.99MSRP: $38.84 – $43.17 You save up to 14%
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Tusk Impact Universal Linkage Guard$32.50MSRP: $39.50 You save 18%
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Tusk Universal Big Bar Clamp Kit$29.99MSRP: $35.99 You save 17%
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Rox Speed FX 2" Handlebar Risers$76.88 – $84.88MSRP: $95.95 – $101.95 You save up to 20%
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Seal Savers Fork Covers$20.99MSRP: $22.95 You save 9%
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Primary Drive Steel Kit & X-Ring Chain$86.32MSRP: $114.93 You save 25%
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Tusk Spoke Torque Wrench Replacement Head$11.99MSRP: $14.99 You save 20%
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Mylers High Pressure Radiator Cap$17.99MSRP: $20.00 You save 10%
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Race Tech Fork Seals$39.99
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Tusk Aluminum Pipe Guard$25.99MSRP: $29.99 You save 13%
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Motion Pro Ringer Fork Seal Driver$52.99
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Polisport Free Flow UFX Front Fender$32.88
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Tusk Adjustable Fork Seal Driver$38.99MSRP: $54.99 You save 29%
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Odi Podium 7/8" Handlebars$76.88 – $79.88MSRP: $84.95 – $89.95 You save up to 11%
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PC Racing Quick Release Filter Skins$20.88
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Motion Pro Fork Seal Bullet Set$27.50
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Pro X Aluminum Rear Sprocket$49.12MSRP: $64.63 You save 24%
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Mika Metals 7/8" Handlebars$79.88MSRP: $84.95 You save 6%
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Rox Speed FX Pro-Offset Elite Block Risers$78.88MSRP: $99.95 You save 21%
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Pro X Front Brake Master Cylinder Rebuild Kit $20.87MSRP: $23.19 You save 10%
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All Balls Crankshaft Seal Kit$22.70MSRP: $25.22 You save 10%
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Race Tech Outer Fork Bushings$38.99
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Race Tech Inner Fork Bushings$42.88
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Tusk Float Bowl Wrench$6.99MSRP: $9.99 You save 30%
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Race Tech Shock Seal Head Setting Tool$54.99
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Pro X Piston Replacement Circlip$1.95
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Motion Pro Pro Plug Socket$28.99
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Race Tech Fork Dust Seals$41.64
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RK 520EXW XW-RING Chain$8.95
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P3 Carbon Skid Plate Foam$12.95
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Polisport SM Line Supermotard UFX Free Flow Front Fender$27.88MSRP: $32.99 You save 15%
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Ride Engineering Billet Engine Kill/Start Switch$53.96MSRP: $59.95 You save 10%
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Race Tech Shaft Holding Tool$74.99
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DRC Fork Seal Driver Kit$84.95
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Mika Metals Pro Series Hybrid 7/8" Oversized Handlebars$109.88MSRP: $119.95 You save 8%
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Fasst Spoke Wrench Head$20.99
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