2002 HONDA CR450F–APRIL 30

CRF450:

1. New third generation twin spar aluminum frame. (1.1 lb lighter than last years frame)

2. Redesigned rear brake system with integrated reservoir and master cylinder.

3. New Unicam valve train.

4. Pin-rotation type auto decompression
release.

5. Hot start system.

6. Two 36mm titanium intake valves.

7. Two 31mm steel exhaust valves.

8. 96mm x 62.1mm bore and stroke.

9. Twin-sump lubrication system separates the oil supply for the crankshaft, piston, and valve train from the clutch and transmission.

10. 40mm Keihen FCR-type carburetor.

11. Exhaust system uses a titanium header, stainless steel s-bend and an aluminum muffler.

12. 11.5:1 Compression ratio.

13. Five-speed close-ratio transmission.

14. Vertical split cases features built-in oil pump.