1983 YAMAHA YZ490 Parts & Accessories

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Displaying parts for your 1983 YAMAHA YZ490

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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
For reference only. Please consult your owner's manual to confirm manufacturer specs.
NGK Iridium Sparkplug$9.99
★★★★★Rated 4.89 out of five stars.
Tusk Wheel Bearing and Seal Kit$9.99
★★★★⯪Rated 4.61 out of five stars.
Tusk Tach/Hour Meter$22.99
★★★★⯪Rated 4.61 out of five stars.
Tusk Handlebar Risers$19.99 to – $20.99
★★★★★Rated 4.79 out of five stars.
Tusk T-10 Aluminum 7/8" Handlebar$39.99
★★★★⯪Rated 4.43 out of five stars.
All Balls Wheel Bearing Kit$14.56
★★★★⯪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$21.99 to – $22.99
★★★★★Rated 4.73 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.
NGK G-Rated Sparkplug$5.99
★★★★★Rated 4.87 out of five stars.
Tusk 520 O-Ring Chain$4.99 to – $52.99
★★★★★Rated 4.79 out of five stars.
Tusk Magnetic Drain Bolt$8.99
★★★★★Rated 4.73 out of five stars.
Tusk Steering Stem Bearing Kit$35.99
★★★★⯪Rated 4.59 out of five stars.
Primary Drive 520 ORM O-Ring Chain$4.99 to – $51.99
★★★★★Rated 4.76 out of five stars.
EBC Brake Shoe - Organic$22.77
★★★★⯪Rated 4.38 out of five stars.
Primary Drive Chain Roller$10.99
★★★★☆Rated 4.10 out of five stars.
Tusk Flexible Cylinder Hone$59.99
★★★★★Rated 5.00 out of five stars.
Tusk Aluminum Tire Iron with Axle Wrench$16.99
★★★★⯪Rated 4.65 out of five stars.
Tusk Brake Shoe - Carbon$13.99
★★★★⯪Rated 4.51 out of five stars.
Tusk 2" Pivoting Bar Risers$49.99
Flex-Hone Cylinder Ball-Hone$76.76
★★★★★Rated 4.93 out of five stars.
All Balls Steering Stem Bearing Kit$44.82
★★★★⯪Rated 4.61 out of five stars.
Tusk Engine Kill Switch$9.99
★★★★⯪Rated 4.58 out of five stars.
Tusk Swivel Exhaust Spring$2.99
★★★★★Rated 5.00 out of five stars.
ProTaper SE 7/8" Handlebar$84.99 to – $87.99
★★★★★Rated 4.79 out of five stars.
Tusk Shock Bearing Kit$24.99
★★★★⯪Rated 4.48 out of five stars.
DID 520 Chain$3.95 to – $65.62
★★★★☆Rated 4.13 out of five stars.
Tusk Piston Ring Compressor$22.99
★★★★★Rated 5.00 out of five stars.
Primary Drive 520 ORH X-Ring Chain$4.99 to – $65.99
★★★★⯪Rated 4.64 out of five stars.
Primary Drive 520 Gold Plated MX Race Chain$4.49 to – $60.99
★★★★⯪Rated 4.63 out of five stars.
Tusk Universal Big Bar Clamp Kit$29.99
★★★★⯪Rated 4.65 out of five stars.
Motion Pro Flywheel Puller$19.99
★★★★★Rated 4.85 out of five stars.
Tusk Skid Plate Foam$10.95 to – $11.95
★★★★⯪Rated 4.56 out of five stars.
All Balls Shock Bearing Kit$35.44
★★★★⯪Rated 4.51 out of five stars.
Tusk Low-Profile Magnetic Drain Bolt$8.99
★★★★⯪Rated 4.61 out of five stars.
Renthal Aluminum 7/8" Handlebar$102.34 to – $107.61
★★★★★Rated 4.84 out of five stars.
Tusk Universal Big Bar Clamp and Bar Kit$78.99 to – $188.30
★★★★⯪Rated 4.50 out of five stars.
Rox Speed FX 2" Handlebar Risers$79.88 to – $89.88
★★★★★Rated 4.84 out of five stars.
Tusk Billet Start/Kill Switch$19.99
★★★★☆Rated 4.28 out of five stars.
Lexx Swivel Exhaust Spring$2.99
★★★★★Rated 4.94 out of five stars.
Odi Podium 7/8" Handlebars$76.46
★★★★★Rated 5.00 out of five stars.
Tusk Adjustable Fork Seal Driver$38.99
★★★★☆Rated 3.93 out of five stars.
Yamaha OEM Exhaust Hangers$14.42
RK 520EXW Gold XW-RING Chain$11.99
★★★★★Rated 4.79 out of five stars.
Rox Speed FX Pro-Offset Elite Block Risers$85.88
★★★★★Rated 4.82 out of five stars.
Wiseco Piston Replacement Circlip$2.99
★★★★★Rated 4.86 out of five stars.
Motion Pro T-6 Combo Lever$39.99
★★★★★Rated 4.88 out of five stars.
RK 520EXW XW-RING Chain$11.95
★★★★★Rated 4.68 out of five stars.
Wiseco Nylon Honing Brush$84.95
★★★★⯪Rated 4.64 out of five stars.
Mika Metals Pro Series 7/8" Handlebars$86.88 to – $88.88
★★★★☆Rated 4.18 out of five stars.
Motion Pro Pro Plug Socket$36.99
★★★★★Rated 4.80 out of five stars.
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