Niche 1508 is a new Cylinder Head and Valve Assembly. This unit has been engineered and tested to exceed original equipment standards and performance. Quality and performance guaranteed.

• Designed for the 1999-2004 Yamaha Bear Tracker 250 YFM250
• Includes Cylinder Head Assembly ( Valves, Springs, Seals, Rockers and Camshaft)
• Made of Cast Aluminum, CNC Machined to meet Factory Tolerances
• Guides and Seats Made of Hardened, Heat-Treated Alloy
• Comes Fully Assembled for Easy Installation

Designed for the 1999-2004 Yamaha Bear Tracker 250 YFM250Niche