KY-0636N Carb Repair Kit
Yamaha YXR450

Included in this kit:
Chamber Gasket
Needle Valve
Jet Needle
"E" Clip
Air Screw
Air Spring
Main Jet #57.5
Main Jet #134
Air Bleed Jet #80
Pilot Jet #20
"O" Ring (4)
Washer
Screw Throttle (2)
Spring Throttle (2)
Jet Needle
Other

Please check carefully that this is the kit you are looking for