2007 Honda CRF450R7 Demo
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The biggest changes are to the engine and carburetor. The exhaust valves are 1mm smaller and, combined with an all-new head porting, the changes give the new CRF more response off the bottom. The engineers were trying to eliminate any lag, from the time the throttle is turned to the time the rear wheel starts accelerating. To keep the middle- and top end from suffering from the increase in throttle response, a new, larger 41mm Keihin FCR carburetor has been added. The power plant also boasts a new ignition map to match the changes to the engine and carburetor, a stronger clutch basket and clutch center for improved durability, and a lighter, more compact engine decompression system. Other changes include new valving in the forks, a lighter rear-chain guide, a new link-type front-brake master cylinder that improves braking power by 15 percent, and a new exhaust system and subframe that relocates the exhaust closer to the bike’s center, improving the new machine’s mass centralization.
Honda also worked in conjunction with Dunlop to introduce (exclusively) Dunlop’s new 742 FA front tire. Similar to the current 742 model, the new FA version has dimpled side knobs with changes to the sidewall for increased corner grip. If you have been to an AMA MX National lately, you may have seen this exact tire on many of the Dunlop-backed team bikes. While factory riders have been developing the tire for a while, it will only be available on the new CRF models. |
| Manufacturer: |
Honda |
| Model Year: |
2007 |
| Model: |
CRF450R7 |
| Price: |
$5297 |
| Color: |
Red |
| Miles/Hours: |
32863 approx 40 hours |
| Engine: |
N/A |
| Displacement: |
N/A |
| Bore x Stroke: |
N/A |
| Compression Ration: |
N/A |
| Carburetion: |
N/A |
| Ignition: |
N/A |
| Transmission: |
N/A |
| Final Drive: |
N/A |
| Wheelbase: |
N/A |
| Seat Height: |
N/A |
| Dry Weight: |
N/A |
| Fuel Capacity: |
N/A |
| Suspension: |
N/A |
| Brakes: |
N/A |
| Tires: |
N/A |
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