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1979 Yamaha YZ125 Aftermarket Parts

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200 Results

Exact Fit
New

Twin Air
Air Filter

$30.99
Sale
Save 16%
5 out of 5 stars (517) reviews
Exact Fit

Motion Pro
Clutch Cable

$14.99
Sale
Save 98%
4.5 out of 5 stars (357) reviews
Video Available
Exact Fit

Sunstar
Front Sprocket

$14.78 - 38.17
Sale
Save 39%
4.5 out of 5 stars (146) reviews
Video Available
Exact Fit

All Balls
Fork Seal And Wiper Kit

$32.35
Sale
Save 84%
4.5 out of 5 stars (218) reviews
Exact Fit

Dunlop
Tire Combo

$97.00
Sale
Save 12%
4.5 out of 5 stars (137) reviews
Exact Fit

DID
520 DZ2 Chain

$70.54
Sale
Save 15%
4.5 out of 5 stars (121) reviews
Video Available
Exact Fit
New

Motion Pro
Brake Lever

$11.99
Sale
Save 85%
4 out of 5 stars (42) reviews
Exact Fit

Renthal
520 R1 Works Chain

$114.99
Sale
Save 10%
4.5 out of 5 stars (132) reviews
Video Available
Exact Fit

ASV
F4 Series Pro Model Clutch Lever

$160.00
5 out of 5 stars (18) reviews
Exact Fit

UNI
Multi-Stage Competition Air Filter

$33.95
Sale
Save 39%
5 out of 5 stars (91) reviews
Exact Fit
New

Wiseco
2-Stroke Piston

$78.93 - 197.39
Clearance
Save 23%
4.5 out of 5 stars (255) reviews
Exact Fit

Artrax
Tire Combo With Tubes

$88.02
Sale
Save 52%
4.5 out of 5 stars (52) reviews
Exact Fit

Kenda
MX Tire Combo

$75.00
Sale
Save 14%
5 out of 5 stars (5) reviews
Exact Fit

All Balls
Steering Bearing Kit

$38.19
Sale
Save 73%
4.5 out of 5 stars (113) reviews
Video Available
Exact Fit

Turner Performance Products
Oversized Mounts With Renthal Twinwall Handlebar Combo

$189.98
Sale
Save 14%
4.5 out of 5 stars (32) reviews
Video Available
Exact Fit
New

Motion Pro
Clutch Lever

$11.99
Sale
Save 84%
3.5 out of 5 stars (39) reviews
Exact Fit

WPS
Rim Strip

$1.99
4.5 out of 5 stars (40) reviews
Exact Fit

Dunlop
Geomax MX34 Rear Tire

$123.99
Sale
Save 22%
4.5 out of 5 stars (8) 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

Dunlop
Geomax MX34 Front Tire

$112.99
Sale
Save 12%
5 out of 5 stars (1) review
Exact Fit

IMS
Shift Lever

$54.95
3.5 out of 5 stars (114) reviews
Exact Fit

Dunlop
Geomax MX33 Rear Tire

$117.99
Sale
Save 14%
5 out of 5 stars (135) reviews
Video Available
Exact Fit

Artrax
Tire Combo

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

Maxxis
Maxxcross IT Rear Tire

$39.99 - 82.99
Sale
Save 61%
5 out of 5 stars (117) reviews
Video Available
Exact Fit

Dunlop
Geomax MX53 Rear Tire

$121.99
Sale
Save 22%
5 out of 5 stars (40) reviews
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

Boyesen
Dual Stage Power Reeds

$33.20
Sale
Save 5%
5 out of 5 stars (74) reviews
Exact Fit

Turner Performance Products
Universal Bar Mounts - Oversized 1-1/8 Bars

$39.99
Sale
Save 20%
4 out of 5 stars (22) reviews
Video Available
Exact Fit

All Balls
Throttle Cable

$17.96
Sale
Save 10%
3.5 out of 5 stars (42) reviews
Video Available
Exact Fit

Bridgestone
Battlecross Tire Combo

$118.00
Sale
Save 31%
4.5 out of 5 stars (46) reviews
Exact Fit

Artrax
TG4 Rear Tire

$50.99
Sale
Save 47%
4.5 out of 5 stars (92) reviews
Exact Fit

Artrax
MX-Pro Rear Tire

$50.99
Sale
Save 50%
4.5 out of 5 stars (165) reviews
Exact Fit

All Balls
Fork Seal Kit

$15.28
Sale
Save 90%
4 out of 5 stars (27) reviews
Exact Fit
New
Exact Fit

Turner Performance Products
520 Standard Chain

$35.99
Sale
Save 20%
4 out of 5 stars (5) 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

DID
520 ERT3 Racing Chain

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

DID
520VO O-Ring Chain

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

Wiseco
Replacement Piston Ring Set

$20.10
Sale
Save 37%
3.5 out of 5 stars (21) reviews
Exact Fit

ASV
C6 Pro Clutch Lever

$180.00
4.5 out of 5 stars (41) reviews
Video Available
Exact Fit

Kenda
Washougal II K775 Front Tire

$38.99 - 80.99
Sale
Save 27%
5 out of 5 stars (16) reviews
Exact Fit

Renthal
520 R3-3 SRS Master Link

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

BikeMaster
Replacement Kill Switch

$14.58
Sale
Save 10%
4 out of 5 stars (12) reviews
Exact Fit

Turner Performance Products
520 VZX X-Ring Chain

$86.99
Sale
Save 13%
4.5 out of 5 stars (10) reviews
Exact Fit

Turner Performance Products
520 R Racing Chain

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

Renthal
520 R1 Master Link

$7.99
4.5 out of 5 stars (9) 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

Ride Engineering
Oil Filler Plug

$21.95
Sale
Save 8%
4 out of 5 stars (9) reviews
Video Available
Exact Fit

Pirelli
MT21 Front Tire

$110.99 - 118.99
Sale
Save 31%
4.5 out of 5 stars (21) reviews
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
Premier Muffler Packing - 2-Stroke

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

DID
DZ2 Master Link 520

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

1979 Yamaha YZ125 Aftermarket Parts

At MotoSport you'll find all the 1979 Yamaha YZ125 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 1979 Yamaha YZ125 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 1979 Yamaha YZ125 give a gearhead a call at 1-888-676-8853 and we'll get you ready to ride.