Namura Top End Rebuild Kit for 2003 13 Polaris Trail Blazer Boss 330 78.45mm NA 50025K 2004 Yamaha XVS650A 1985 99 Polaris 250 Trail Boss 1985 99 Polaris 250 Trail Boss Product Details Tire Diameter Speed Rating Load Rating Wall Construction Tire Tube Type Rim Size Product Line Wrench Rabbit Complete Engine Rebuild Kit Part Number WR101 013 Fitment Type Unit Sale Qty Kit Style Material Color Size Finish Position Functional Length Cable Sleeve Length Cable Sleeve Travel Driver Seat Length Passenger Seat Length Driver Seat Width Passenger Seat Width Piston Cylinder Size Piston Size Added Cylinder Stroke Volume Final Engine Displacement Exhaust Configuration Muffler Size Muffler End Tip Style Windshield Height Windshield Width Handlebar Diameter California Air Resource Board Compliance FALSE Product Disclaimer Top End rebuild kits also include Namura's Top End Gasket Kits 45mm Age Group Gender Position Tire Diameter Speed Rating Load Rating Wall Construction Tire Tube Type Rim Size Material Color Finish Functional Length Cable Sleeve Length Cable Sleeve Travel Driver Seat Length Passenger Seat Length Driver Seat Width Passenger Seat Width Overall Seat Width Overall Seat Length Piston Cylinder Size 78