1. Parts
  2. Drive
  3. Front Countershaft Sprockets

2001 Yamaha YZ125 Parts

2001 Yamaha YZ125
Front Tire:
80/100-21
Rear Tire:
100/90-19
Spark Plug:
BR9EG
Stock Chain/Belt:
520x112
Front Sprocket:
13T
Rear Sprocket:
48T
Front Brake Pads:
Single 250mm disc with Nissin Caliper
Select Your Ride: Go

Refine
Sort By:
Grid List
JT Sprockets 520 Front Countershaft Sprocket
JT Sprockets
520 Front Countershaft Sprocket
$8.99 - $36.99
You save up to $1.50 (14%)
  • Steel
(68)
JT 520 Front Countershaft SprocketMade exclusively from the finest grade of C49 high carbon steel, JT Countershaft Sprockets are made to last with a lifespan greater than any other steel or aluminu...
Sunstar 520 Front Countershaft Sprocket
Sunstar
520 Front Countershaft Sprocket
$1.99 - $29.99
You save $0.96 (6%)
  • Black
(21)
Sunstar 520 Front Countershaft Sprocket Designed for 520 size OEM replacements or suitable conversions to 520 size chain and sprockets Manufactured from case-hardened chromoly steel for the ulti...
Closeout 25% off
Pro Taper 520 Front Countershaft Sprocket
Pro Taper
520 Front Countershaft Sprocket
$19.47 - $23.99
You save $6.48 (25%)
  • Black
(8)
Closeout 25% off
Pro Taper 520 Front Countershaft Sprocket Precision broached and machined to the strictest standards Case hardened cro-moly steel Lightening holes keep sprocket light-weight Self-cleaning mud groov...
Closeout 20% off
Pro Taper 428 Front Countershaft Sprocket
Pro Taper
428 Front Countershaft Sprocket
$20.76
You save $5.19 (20%)
  • Black
(0)
Closeout 20% off
Pro Taper 428 Front Countershaft Sprocket Precision broached and machined to the strictest standards Case hardened cro-moly steel Lightening holes keep sprocket light-weight Self-cleaning mud groov...

Latest Reviews

Mike (Bronx )

Fit
Quality
Installation
Recommend

Great 5 stars

I bought this vortex rear sprocket for my k7 gsxr 750 in blue and the acceleration from the response of my throttle to the rear wheel was such a difference my bike was much more responsive!!! Great buy

Bruce (Cincinnati )

Fit
Quality
Installation
Recommend

Looks Great

Just replaced the drive train (chain and sprockets) and have a quiet, smooth ride. Too early to tell about durability with only 30 miles on the set up but the gold looks superb offsetting the black on black of my ride. So far so good and the true test will be next spring.

Don Edgerton (Mexico )

Fit
Finish
Durability
Features
Cost Benefit

Quick shipping

Sprocket was a little different than OEM (OEM has a rubber damper and replacement didn't). I noticed in the Mfg.'s microfiche that it's been superseded by a new part #, so maybe it's the same one as I received. No biggie as far as I'm concerned. Shipping was quick. I'm quite satisfied.

Don Edgerton (Mexico )

Fit
Quality
Installation
Recommend

Late

A DID chain is a DID chain. Chain arrived in good condition. Ordered by phone, and personnel were courteous and competent (as usual for MSS). Shipping was slo-o-o-ow, which is unusual for MSS. Overall I'm satisfied, and will continue to buy here.