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1985 YAMAHA YZ125 Parts & Accessories

Fits Your Machine

Displaying parts for your 1985 YAMAHA YZ125

See stock sizes for this machine

  • Front Tire:90/90X21
  • Rear Tire:120/80X18
  • Front Sprocket:12 Tooth
  • Rear Sprocket:52 Tooth
  • Chain:520X112
  • Spark Plug:B9EG

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

RM YouTube ChannelSUBSCRIBE
Tusk Clutch Lever$5.99MSRP: $9.99 You save 40%
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NGK Iridium Sparkplug$9.99MSRP: $13.04 You save 23%
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Primary Drive Front Sprocket$5.88 – $8.99MSRP: $12.99 You save up to 55%
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Tusk Wheel Bearing and Seal Kit$10.99MSRP: $16.99 You save 35%
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JT Rear Steel Sprocket$24.99 – $25.99
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All Balls Wheel Bearing Kit$14.03MSRP: $15.59 You save 10%
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EBC Brake Pad - Sintered Metal "R" Series$33.37MSRP: $35.13 You save 5%
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Tusk 520 Gold X-Ring Chain$3.99 – $67.99MSRP: $5.99 – $79.99 You save up to 15%
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Primary Drive Rear Steel Sprocket$17.88 – $22.99MSRP: $29.99 You save up to 40%
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Tusk Handlebar Risers$19.99 – $20.99MSRP: $22.99 – $24.99 You save up to 16%
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NGK G-Rated Sparkplug$4.99MSRP: $5.95 You save 16%
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Tusk Front Sprocket$13.99MSRP: $16.99 You save 18%
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Tusk High Pressure Radiator Cap with Temperature Gauge$24.99MSRP: $29.99 You save 17%
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Tusk 520 O-Ring Chain$3.50 – $48.99MSRP: $4.99 – $63.95 You save up to 23%
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Tusk T-10 Aluminum 7/8" Handlebar$37.99MSRP: $52.95 You save 28%
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Primary Drive 520 ORM O-Ring Chain$3.50 – $47.88MSRP: $4.99 – $64.95 You save up to 26%
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Tusk Fork Seal Driver$34.99MSRP: $44.99 You save 22%
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Tusk Magnetic Drain Bolt$7.49MSRP: $11.95 You save 37%
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Tusk Tach/Hour Meter$14.99MSRP: $22.99 You save 35%
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Tusk Steering Stem Bearing Kit$33.99MSRP: $38.99 You save 13%
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Flex-Hone Cylinder Ball-Hone$47.69
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Motion Pro Fork Seal Bullet$5.99
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Tusk Spoke Torque Wrench Kit$103.99MSRP: $139.99 You save 26%
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Tusk Engine Kill Switch$9.99MSRP: $12.99 You save 23%
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Tusk Spark Plug Wrench$8.99MSRP: $10.99 You save 18%
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JT Racelite Aluminum Rear Sprocket$28.88 – $30.88MSRP: $31.58 – $34.08 You save 9%
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Primary Drive Chain Roller$6.99 – $13.99MSRP: $9.99 – $17.99 You save up to 22%
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Tusk Counter Shaft Seal Kit$15.99MSRP: $22.99 You save 30%
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Lexx Swivel Exhaust Spring$2.99MSRP: $3.99 You save 25%
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Tusk Shock Bearing Kit$24.99MSRP: $29.99 You save 17%
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Tusk Low-Profile Magnetic Drain Bolt$8.99MSRP: $10.99 You save 18%
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Motion Pro Throttle Tube$6.99
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All Balls Steering Stem Bearing Kit$38.19MSRP: $42.43 You save 10%
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Tusk Aluminum Tire Iron with Axle Wrench$16.99MSRP: $22.99 You save 26%
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All Balls Front Brake Caliper Rebuild Kit$24.94MSRP: $27.71 You save 10%
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Shock Sox Fork Seal Guards$23.95 – $26.95MSRP: $26.99 – $28.99 You save up to 11%
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DID 520 Chain$3.95 – $50.88
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All Balls Shock Bearing Kit$29.87MSRP: $33.19 You save 10%
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Tusk Skid Plate Foam$10.95 – $11.95MSRP: $14.95 You save up to 27%
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Tusk High Pressure Radiator Cap$15.99MSRP: $19.99 You save 20%
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Primary Drive Steel Kit & Gold X-Ring Chain$95.07MSRP: $122.93 You save 23%
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All Balls Chain Roller$9.51 – $16.98MSRP: $10.57 – $18.87 You save 10%
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ProTaper SE 7/8" Handlebar$76.88
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Motion Pro Clutch Lever$11.99
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Primary Drive Steel Kit & O-Ring Chain$78.11MSRP: $107.93 You save 28%
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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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Tusk Suspension Soft Jaws$34.99MSRP: $42.99 You save 19%
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Tusk Billet Start/Kill Switch$14.99MSRP: $29.99 You save 50%
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