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1984 YAMAHA YZ490 Parts & Accessories

Fits Your Machine

Displaying parts for your 1984 YAMAHA YZ490

See stock sizes for this machine

  • Front Tire:100/90x21
  • Rear Tire:140/80x18
  • Front Sprocket:14 Tooth
  • Rear Sprocket:46 Tooth
  • Chain:520x112
  • Spark Plug:B8EG
NGK Iridium Sparkplug$8.99MSRP: $13.04 You save 31%
Rated 4.88 out of five stars.★★★★★
Tusk Wheel Bearing and Seal Kit$10.99MSRP: $16.99 You save 35%
Rated 4.59 out of five stars.★★★★⯪
All Balls Wheel Bearing Kit$14.03MSRP: $15.59 You save 10%
Rated 4.52 out of five stars.★★★★⯪
Tusk 520 Gold X-Ring Chain$3.99 – $67.99MSRP: $5.99 – $79.99 You save up to 15%
Rated 4.86 out of five stars.★★★★★
Primary Drive Rear Steel Sprocket$17.88 – $22.99MSRP: $29.99 You save up to 40%
Rated 4.73 out of five stars.★★★★★
Tusk Handlebar Risers$19.99 – $20.99MSRP: $22.99 – $24.99 You save up to 16%
Rated 4.79 out of five stars.★★★★★
NGK G-Rated Sparkplug$4.99MSRP: $5.95 You save 16%
Rated 4.86 out of five stars.★★★★★
Tusk 520 O-Ring Chain$3.50 – $48.99MSRP: $4.99 – $63.95 You save up to 23%
Rated 4.76 out of five stars.★★★★★
Tusk T-10 Aluminum 7/8" Handlebar$37.99MSRP: $52.95 You save 28%
Rated 4.43 out of five stars.★★★★⯪
Primary Drive 520 ORM O-Ring Chain$3.50 – $47.88MSRP: $4.99 – $64.95 You save up to 26%
Rated 4.77 out of five stars.★★★★★
Tusk Magnetic Drain Bolt$7.49MSRP: $11.95 You save 37%
Rated 4.72 out of five stars.★★★★★
Tusk Tach/Hour Meter$14.99MSRP: $22.99 You save 35%
Rated 4.62 out of five stars.★★★★⯪
Tusk Steering Stem Bearing Kit$33.99MSRP: $38.99 You save 13%
Rated 4.69 out of five stars.★★★★★
Flex-Hone Cylinder Ball-Hone$71.18MSRP: $80.43 You save 12%
Rated 4.93 out of five stars.★★★★★
Tusk Engine Kill Switch$9.99MSRP: $12.99 You save 23%
Rated 4.56 out of five stars.★★★★⯪
Primary Drive Chain Roller$10.99MSRP: $14.99 You save 27%
Rated 4.09 out of five stars.★★★★☆
Lexx Swivel Exhaust Spring$2.99MSRP: $3.99 You save 25%
Rated 5.00 out of five stars.★★★★★
Tusk Shock Bearing Kit$24.99MSRP: $29.99 You save 17%
Rated 4.42 out of five stars.★★★★⯪
Tusk Low-Profile Magnetic Drain Bolt$8.99MSRP: $10.99 You save 18%
Rated 4.60 out of five stars.★★★★⯪
All Balls Steering Stem Bearing Kit$38.19MSRP: $42.43 You save 10%
Rated 4.60 out of five stars.★★★★⯪
Tusk Aluminum Tire Iron with Axle Wrench$16.99MSRP: $22.99 You save 26%
Rated 4.65 out of five stars.★★★★⯪
DID 520 Chain$3.95 – $50.88
Rated 4.13 out of five stars.★★★★☆
All Balls Shock Bearing Kit$29.87MSRP: $33.19 You save 10%
Rated 4.52 out of five stars.★★★★⯪
EBC Brake Shoe - Organic$49.79
Rated 4.37 out of five stars.★★★★⯪
Tusk Skid Plate Foam$10.95 – $11.95MSRP: $14.95 You save up to 27%
Rated 4.63 out of five stars.★★★★⯪
ProTaper SE 7/8" Handlebar$76.88
Rated 4.79 out of five stars.★★★★★
Primary Drive 520 ORH X-Ring Chain$3.99 – $60.88MSRP: $5.99 – $71.95 You save up to 15%
Rated 4.64 out of five stars.★★★★⯪
Tusk Billet Start/Kill Switch$14.99MSRP: $29.99 You save 50%
Rated 4.28 out of five stars.★★★★☆
Motion Pro Flywheel Puller$16.99
Rated 4.84 out of five stars.★★★★★
Renthal Aluminum 7/8" Handlebar$94.88 – $104.88
Rated 4.84 out of five stars.★★★★★
Tusk Universal Big Bar Clamp Kit$29.99MSRP: $35.99 You save 17%
Rated 4.65 out of five stars.★★★★⯪
Motion Pro OEM Style Clutch Perch$20.99
Rated 3.88 out of five stars.★★★★☆
Tusk Piston Ring Compressor$22.99MSRP: $29.99 You save 23%
Rated 5.00 out of five stars.★★★★★
RK 520EXW Gold XW-RING Chain$8.06MSRP: $8.95 You save 10%
Rated 4.79 out of five stars.★★★★★
Odi Podium 7/8" Handlebars$76.88 – $79.88MSRP: $84.95 – $89.95 You save up to 11%
Rated 5.00 out of five stars.★★★★★
Rox Speed FX 2" Handlebar Risers$76.88 – $84.88MSRP: $95.95 – $101.95 You save up to 20%
Rated 4.84 out of five stars.★★★★★
Tusk Adjustable Fork Seal Driver$38.99MSRP: $54.99 You save 29%
Rated 3.91 out of five stars.★★★★☆
Polisport Free Flow UFX Front Fender$32.88
Rated 4.57 out of five stars.★★★★⯪
Wiseco Piston Replacement Circlip$2.65MSRP: $2.79 You save 5%
Rated 4.86 out of five stars.★★★★★
Mika Metals 7/8" Handlebars$79.88MSRP: $84.95 You save 6%
Rated 4.18 out of five stars.★★★★☆
Polisport SM Line Supermotard UFX Free Flow Front Fender$27.88MSRP: $32.99 You save 15%
Rated 4.60 out of five stars.★★★★⯪
RK 520EXW XW-RING Chain$8.95
Rated 4.68 out of five stars.★★★★★
Closeout ItemBikeMaster 520 Precision Roller Chain$17.49MSRP: $24.99 You save 30%
Rated 4.00 out of five stars.★★★★☆
Rox Speed FX Pro-Offset Elite Block Risers$78.88MSRP: $99.95 You save 21%
Rated 4.81 out of five stars.★★★★★
Wiseco Nylon Honing Brush$123.08
Rated 4.60 out of five stars.★★★★⯪
P3 Carbon Skid Plate Foam$12.95
Rated 4.50 out of five stars.★★★★⯪
Motion Pro Pro Plug Socket$28.99
Rated 4.80 out of five stars.★★★★★
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