Yz 125 cylinder head. Explore our collection and find the right fit for your bike. Explore a wide range of our Yz125 Cylinder Head selection. All three of our standard domes are designed to run on pump gas. Shop now for fast shipping and easy returns! Find great deals on eBay for Yz125 Cylinder Head. It offers improved bottom/mid-range power over the stock head and is best suited to trail riding, offroad racing or MX riders who want max mid-range torque. . The material is stronger and transfers heat better than cast aluminum. The TSP cylinder head for the Yamaha YZ 125 is higher compression than the stock head but still safe for 91 octane pump fuel with appropriate jetting. Phathead cylinder heads are made of 6061 T6 billet aluminum. The two piece design allows for interchangeable combustion chambers (domes) to suit the power characteristics of any riding style. Whether you’re looking to dominate the track or just want a more responsive ride, our VHM heads and inserts are the perfect upgrade for your machine. The two piece design allows an increase in coolant flow as well as surface area which improves cooling for better consistency and performance. Find top brands, exclusive offers, and unbeatable prices on eBay. The Apex Technical Innovations billet cylinder head offers a two piece design made of 6061 aluminum alloy. The Apex Technical Innovations head solves all of these issues while giving you an increase in performance where you need it most. Shop with confidence. qfpxa rqtedvu pado toqstvn iaucxy ykwggw fejtxj zvdjzz wsol izdjvl