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1979 Yamaha YZ125 Aftermarket Parts

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197 Results

Exact Fit

Michelin
Desert Race Rear Tire

$320.99
Sale
Save 10%
5 out of 5 stars (2) reviews
Exact Fit

Pirelli
MT21 Rear Tire

$121.99 - 151.99
Sale
Save 27%
4.5 out of 5 stars (21) reviews
Exact Fit

Pirelli
Scorpion Rally Front Tire

$122.99
Sale
Save 18%
4.5 out of 5 stars (3) reviews
Exact Fit

Pirelli
Scorpion Rally Rear Tire

$171.99
Sale
Save 18%
4.5 out of 5 stars (3) 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 - 117.99
Sale
Save 30%
4.5 out of 5 stars (21) reviews
Exact Fit
Exact Fit

Wiseco
Wrist Pin

$19.01
Sale
Save 14%
5 out of 5 stars (2) reviews
Exact Fit

Pro Wheel
Front Wheel Spoke Kit

$93.95
Sale
Save 25%
4 out of 5 stars (14) reviews
Exact Fit

Pirelli
MT90AT Scorpion Rear Tire

$173.99 - 220.99
Sale
Save 18%
4.5 out of 5 stars (13) reviews
Exact Fit

Sunstar
Front Sprocket

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

BikeMaster
520 BMXR Series X-Ring Master Link

$6.35
Sale
Save 10%
1.5 out of 5 stars (2) reviews
Exact Fit

Sunstar
520 MXR1 Works MX Racing Chain Master Link

$3.58
Sale
Save 20%
5 out of 5 stars (1) review
Video Available
Exact Fit

Pirelli
MT43 Pro Trial Front Tire

$104.99
Sale
Save 15%
4.5 out of 5 stars (19) reviews
Exact Fit

Pirelli
Scorpion MX32 Mid Soft Front Tire

$41.99 - 121.99
Sale
Save 28%
5 out of 5 stars (17) reviews
Video Available
Exact Fit

Pirelli
MT16 Tire Combo

$205.00
Sale
Save 23%
5 out of 5 stars (40) reviews
Exact Fit

Maxxis
Maxxcross SI Rear Tire

$48.99 - 127.99
Sale
Save 45%
4.5 out of 5 stars (35) reviews
Video Available
Exact Fit

Pirelli
Scorpion XC Mid Hard Rear Tire

$120.99
Sale
Save 16%
4.5 out of 5 stars (16) reviews
Exact Fit

GYTR
Oil Fill Cap - Blue

$29.99
3.5 out of 5 stars (4) reviews
Exact Fit

Bridgestone
TW302 Rear Tire

$132.99
Sale
Save 30%
4.5 out of 5 stars (16) reviews
Exact Fit

Pirelli
MT90AT Scorpion Front Tire

$108.99 - 148.99
Sale
Save 16%
4.5 out of 5 stars (13) reviews
Exact Fit

Pro Taper
520XRC Master Link

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

Pirelli
Tire Combo

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

Bridgestone
TW301 Front Tire

$108.99
Sale
Save 31%
4.5 out of 5 stars (7) reviews
Exact Fit

Moose
Steering Bearing Seal Kit

$42.95
5 out of 5 stars (1) review
Exact Fit

All Balls
Throttle Cable

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

Pirelli
Scorpion XC Mid Hard Front Tire

$105.99
Sale
Save 26%
4.5 out of 5 stars (16) reviews
Exact Fit

WPS
Universal 2-Stroke Pipe Protector

$58.46
Sale
Save 10%
3.5 out of 5 stars (16) reviews
Exact Fit

Pirelli
Scorpion MX Extra X Front Tire

$76.99
Sale
Save 15%
4 out of 5 stars (14) reviews
Video Available
Exact Fit

Sunstar
520 HDN Heavy Duty Non-Sealed Chain Master Link

$4.36
Sale
Save 20%
5 out of 5 stars (1) review
Video Available
Exact Fit

Pirelli
MT16 Rear Tire

$110.99 - 118.99
Sale
Save 25%
5 out of 5 stars (40) reviews
Exact Fit

ARC
RC-8 Clutch Perch Assembly

$219.99 - 231.95
5 out of 5 stars (23) reviews
Video Available
Exact Fit

Dunlop
Geomax MX33 Rear Tire

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

Streamline
Reflex Pro Clutch Lever

$135.99
4 out of 5 stars (21) reviews
Exact Fit

Pirelli
MT16 Front Tire

$117.99
Sale
Save 18%
5 out of 5 stars (40) reviews
Exact Fit

Dunlop
Geomax AT81 Front Tire

$104.99
Sale
Save 11%
4.5 out of 5 stars (55) reviews
Video Available
Exact Fit

Sunstar
520 SSR O-Ring Sealed Ring Chain Master Link

$5.55
Sale
Save 20%
5 out of 5 stars (5) reviews
Video Available
Exact Fit

Pirelli
Scorpion XC Mid Soft Front Tire

$103.99
Sale
Save 27%
5 out of 5 stars (16) reviews
Exact Fit

DID
DZ2 Master Link 520

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

Dunlop
D606 Front Tire

$129.99
Sale
Save 24%
5 out of 5 stars (76) reviews
Exact Fit

Pirelli
MT43 Pro Trial Rear Tire

$115.99
Sale
Save 24%
4.5 out of 5 stars (19) reviews
Exact Fit
New

Motion Pro
Brake Lever

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

Motion Pro
Clutch Lever

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

Artrax
Tire Combo With Tubes

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

Works Connection
Rotating Clamp

$32.95
5 out of 5 stars (8) 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

Sunstar
520 XTG Tripleguard Sealed ATV & Offroad Chain

$107.32
Sale
Save 20%
4.5 out of 5 stars (19) reviews
Video Available
Exact Fit

DID
Master Link 520ERV3 X-Ring

$6.99
4.5 out of 5 stars (2) reviews
Exact Fit

ARC
DC-8 Clutch Perch Assembly

$144.99
5 out of 5 stars (46) reviews
Exact Fit

Dunlop
Geomax MX34 Rear Tire

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

DID
520VO O-Ring Chain

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

Vesrah Racing
Semi-Metallic Brake Shoes

$18.86
Sale
Save 10%
4.5 out of 5 stars (21) reviews
Exact Fit

DID
520 ERT3 Racing Chain

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

Wiseco
Replacement Piston Ring Set

$20.10
Sale
Save 37%
3.5 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

Dunlop
Geomax MX34 Front Tire

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

BikeMaster
Fork Seals

$8.99
Sale
Save 10%
4 out of 5 stars (6) reviews
Exact Fit

Sunstar
520 MXR1 Works MX Racing Chain

$91.48
Sale
Save 20%
5 out of 5 stars (14) reviews
Video Available
Exact Fit

Dunlop
Geomax MX53 Rear Tire

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