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2007 Yamaha YFZ450
General Specifications
| Year | 2007 |
| Make | Yamaha |
| Model | YFZ450 |
| Disp | 449 cc |
| Bore | stock mm |
| Stroke | stock mm |
| Comp | stock:1 |
| Delivery | Carbureted |
Jetting Settings
| Main | Keihin 165 |
| Pilot | Keihin 48 |
| Needle | 3d from top clip |
| Screw | 3 turns |
Expo
love this quad!!
Modifications
| Exhaust | Curtis Sparks Racing | Stainless full 2" system |
| Intake | Custom cut airbox | cut out rear section, allows more room to fit FCI and still offers plenty of protection |
| Intake | Fuel Customs | Intake tract, 8ply K&N style filter |
| Carburetor | R&D Racing | Float bowl |
| Carburetor | Keihin | Main & pilot jets |
| Carburetor | R&D Racing | Adjustale fuel screw |
| Carburetor | R&D Racing | Externally adjustable leak jet, Accelleraror pump cover |
| Carburetor | Keihin | YZ Dirt bike NVCQ needle |
| Handlebars | ProTaper | Yamaha, Silver, OEM, built by Protaper |
| Footpegs | Rath Racing | Monster peg upgrade |
| Nerfs | Rath Racing | Nerf bar, brushed alum. finish, Monsterpeg intergrated. |
| Bumper | Rath Racing | Rath Racing MX front bumper |
| Grab Bar | OEM/Rath Racing | Stock grab bar with Rath racing number plate |
| Plastics | Stock, Racecut | OEM Blue plastics, racecut front fenders |
| Graphics | One Industries | One, Icon Cammo Graphics. |
| Other | Powermadd | Power MX series hand guards |
| Other | SRP Metals | Billet gas cap breather (blue) |
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