Memorial Day Sale New Markdowns Added - Up To 70% Off Parts and Gear Shop Now
CLOSE
Shipping to US Flag United States
Free shipping over $79
Get An Additional 10% Off OEM Use Code OEM10 At Checkout Shop Now

1983 Yamaha YZ490 Aftermarket Parts

Refine

245 Results

Exact Fit

Maxxis
Maxxcross IT Rear Tire

$75.99
Sale
Save 61%
5 out of 5 stars (117) reviews
Video Available
Exact Fit

DID
520 ERT3 Racing Chain

$104.54 - 108.79
Sale
Save 15%
5 out of 5 stars (73) reviews
Exact Fit

Renthal
520 R3-3 SRS Chain

$142.99
Sale
Save 11%
4.5 out of 5 stars (49) reviews
Video Available
Exact Fit

Turner Performance Products
520 R Racing Chain

$64.99
Sale
Save 20%
3.5 out of 5 stars (6) reviews
Exact Fit

Maxxis
Tire Combo

$157.00
Sale
Save 26%
5 out of 5 stars (51) reviews
Exact Fit

Turner Performance Products
520 HD Heavy Duty Chain

$59.99
Sale
Save 14%
3.5 out of 5 stars (9) reviews
Exact Fit

DID
520VO O-Ring Chain

$76.71
Sale
Save 15%
4.5 out of 5 stars (48) reviews
Exact Fit

Wiseco
Needle Bearing

$20.10
Sale
Save 14%
4.5 out of 5 stars (45) reviews
Exact Fit

Guts Racing
Hardcore Gripper Seat Cover

$28.77 - 69.99
Clearance
Save 59%
3 out of 5 stars (8) reviews
Exact Fit

Renthal
520 R3-3 SRS Master Link

$7.99
4.5 out of 5 stars (2) reviews
Exact Fit

Turner Performance Products
520 VZO O-Ring Chain

$61.99
Sale
Save 15%
3 out of 5 stars (6) reviews
Exact Fit

Renthal
520 R1 Master Link

$7.99
4.5 out of 5 stars (9) reviews
Exact Fit

EBC
Clutch Springs

$11.79
Sale
Save 94%
4 out of 5 stars (10) reviews
Exact Fit

Supersprox
Chain & Sprocket Kit

$156.43
Sale
Save 13%
5 out of 5 stars (28) reviews
Exact Fit

Dunlop
D606 Tire Combo

$281.00
Sale
Save 18%
5 out of 5 stars (76) reviews
Exact Fit

Motion Pro
Nylon Throttle Tube

$6.50
4 out of 5 stars (93) reviews
Exact Fit

Wiseco
Replacement Piston Ring Set

$44.60
Sale
Save 37%
3.5 out of 5 stars (21) reviews
Exact Fit

Pirelli
MT21 Front Tire

$110.99 - 117.99
Sale
Save 31%
4.5 out of 5 stars (21) reviews
Exact Fit
Exact Fit
Exact Fit

Sunstar
520 SSR O-Ring Sealed Ring Chain

$62.16
Sale
Save 20%
4 out of 5 stars (46) reviews
Video Available
Exact Fit

Turner Performance Products
Oversized Bar Mounts With Renthal Fat Bar Combo

$169.97
Sale
Save 14%
5 out of 5 stars (11) reviews
Video Available
Exact Fit
Exact Fit

FMF
2-Stroke Silencer Packing

$9.99
Sale
Save 9%
5 out of 5 stars (98) reviews
Exact Fit

Pivot Works
Steering Stem Bearing Kit

$44.71
Sale
Save 20%
4.5 out of 5 stars (42) reviews
Video Available
Exact Fit

Shinko
R525 Cheater Rear Tire

$72.99 - 127.99
Sale
Save 7%
5 out of 5 stars (16) reviews
Exact Fit

All Balls
Upper Shock Bearing

$29.87
Sale
Save 10%
3.5 out of 5 stars (13) reviews
Exact Fit

DID
DZ2 Master Link 520

$2.11
Sale
Save 15%
5 out of 5 stars (5) reviews
Exact Fit

FMF
Premier Muffler Packing - 2-Stroke

$24.99
Sale
Save 11%
4 out of 5 stars (16) reviews
Exact Fit

All Balls
Crank Shaft Bearing Kit

$65.20
Sale
Save 10%
5 out of 5 stars (5) reviews
Video Available
Exact Fit
New

Works Connection
Rotating Clamp

$32.95
5 out of 5 stars (8) reviews
Exact Fit

DID
520 ERT3 Racing Chain Master Link

$3.99
5 out of 5 stars (2) reviews
Exact Fit

BikeMaster
Steel Magnetic Oil Drain Plug

$6.26
Sale
Save 10%
3 out of 5 stars (39) reviews
Exact Fit

Pro Taper
520XRC Master Link

$6.23
Sale
Save 5%
5 out of 5 stars (3) reviews
Exact Fit

KTM PowerParts
MX Chain

$83.80 - 89.99
4 out of 5 stars (8) reviews
Exact Fit

Guts Racing
Seat Foam

$89.90
Sale
Save 16%
4.5 out of 5 stars (4) reviews
Exact Fit

Bolt
Rotor Bolts

$8.99
Sale
Save 10%
Exact Fit

Shinko
255 Trials Pro Rear Tire

$124.99 - 135.99
Sale
Save 8%
4.5 out of 5 stars (5) reviews
Exact Fit

DID
520 Standard Chain

$52.69
Sale
Save 15%
4 out of 5 stars (74) reviews
Video Available
Exact Fit

ASV
Rotator Clamp - Front Brake

$35.00 - 55.00
5 out of 5 stars (4) reviews
Exact Fit

Sedona
Dunatik MX Rear Paddle Tire

$92.99
Sale
Save 7%
5 out of 5 stars (5) reviews
Exact Fit

Kenda
Millville II K785 Front Tire

$39.99 - 80.99
Sale
Save 24%
5 out of 5 stars (6) reviews
Exact Fit

Vesrah Racing
Semi-Metallic Brake Shoes

$19.76
Sale
Save 10%
4.5 out of 5 stars (21) reviews
Exact Fit

Dunlop
Geomax MX33 Front Tire

$45.99 - 107.99
Sale
Save 44%
4.5 out of 5 stars (50) reviews
Video Available
Exact Fit
New
Exact Fit

Moose
2-Stroke Pipe Guard

$64.95
4.5 out of 5 stars (68) reviews
Exact Fit

Works Connection
Steering Stem Nut

$34.95
4 out of 5 stars (7) reviews
Exact Fit

Pirelli
Tire Combo

$170.00
Sale
Save 16%
4.5 out of 5 stars (33) reviews
Exact Fit

Artrax
SX1 Front Tire

$39.99 - 41.99
Sale
Save 49%
4.5 out of 5 stars (50) reviews
Exact Fit

Artrax
Tire Combo

$88.00
Sale
Save 45%
4.5 out of 5 stars (263) reviews
Exact Fit

Kenda
Washougal II K775 Front Tire

$38.99 - 72.99
Sale
Save 25%
5 out of 5 stars (16) reviews
Exact Fit

DID
520 Standard Chain Master Link

$2.99
4.5 out of 5 stars (16) reviews
Exact Fit

Dunlop
D606 Rear Tire

$155.99 - 163.99
Sale
Save 11%
5 out of 5 stars (76) reviews
Exact Fit

Motion Pro
Forged Clutch Lever

$24.99
4.5 out of 5 stars (18) reviews
Exact Fit

All Balls
Fork Dust Seal Kit

$15.90
Sale
Save 90%
4 out of 5 stars (8) reviews
Video Available
Exact Fit

Pivot Works
Fork Seal Kit

$43.59
Sale
Save 20%
4.5 out of 5 stars (13) reviews
Video Available
Exact Fit

Shinko
520 Series Rear Tire

$109.99
Sale
Save 8%

1983 Yamaha YZ490 Aftermarket Parts

At MotoSport you'll find all the 1983 Yamaha YZ490 aftermarket parts you need to make your next ride your best ride. We aim to please and suit a wide variety of bikes and riding styles, as well. We carry a large selection of dirt bike exhausts to give you the option of a race ready system or for more modest engines.

Not only do we carry the 1983 Yamaha YZ490 aftermarket parts that give your dirt bike a performance boost, we also carry the parts to keep your ride feeling smooth. Sometimes the parts that keep your bike riding its best come directly from the manufacturer. At MotoSport you can also find the OEM dirt bike parts to complete almost any job, from a basic fender bolt to a complete new top end if you prefer to stick with stock.

Finding all the parts and gear you need has never been easier - and shipping your parts and gear is free on orders more than $79! You've got more choices than ever when it comes to where to buy, and we always want to provide the best shopping experience in the industry. If you run into trouble or need help finding specific parts for your 1983 Yamaha YZ490 give a gearhead a call at 1-888-676-8853 and we'll get you ready to ride.