Yamaha Front Sprocket


Yamaha logo
SKU: YZ-1_ Category:


The Dirt Tricks Yamaha Front Sprocket is built from an ultra-hard tool steel. Most front sprockets sold today are “case hardened”, meaning that only a thin outer layer of steel is hardened. Below that layer is soft steel. Our front sprockets are heat treated, giving them the ultimate toughness and wear resistance. How can we have such a hard material without it being brittle? Shock resistant tool steel is the answer. This is the same steel used to punch holes through 1″ thick plates of steel, on high speed punch presses.


  • One year wear guarantee:
    if you wear it out, we will replace it!
  • Made from high grade shock resistant tool steel
  • Machined to the tightest industry standards
  • Special “through” hardening process for
    ultimate toughness and longevity
  • 13 tooth front sprocket Weighs 3.5oz

Note: Attention should be taken to monitor the wear to your chain slider when using a 12 tooth sprocket due to its smaller diameter.

Yamaha YZ1 Front Sprocket Fitment:

  • Yamaha: ’87-’07 YZ 125

Yamaha YK2 Front Sprocket Fitment:

  • Yamaha: ’89-Current YZ 250
    ’99-Current YZF/WRF 400/426/450
  • Kawasaki: ’99-’08 KX 250
    ’06-Current KXF/KLX 450
  • Yamaha ATV: ’04-’14 YFZ 450
    ’07 YFZ 450BB
    ’01-’05 YFM 660 Raptor

Yamaha F1 Front Sprocket Fitment:

  • Yamaha: ’01-’13 YZF/WRF 250
    ’05-Current YZ 125

Yamaha F1B Front Sprocket Fitment:

  • Yamaha: ’01-Current YZF/WRF 250
    ’05-Current YZ 125


Additional information

Weight 0.375 lbs
Dimensions 6 x 4 x 0.5 in