clamps reduced the trail on the front wheel to make the steering more agile. The forks were shortened to save weight, and the rear shock top mount was redesigned to incorporate a ride-height adjuster. ZX900F1 (2002) and ZX900F2 (2003) Changes to the 2002–2003 ZX-9R included a new tail fairing, a single piece front mudguard, the loss of the passenger grab handles and the B/C/E model H-bar mirror bracket. Mechanical additions included a top braced swingarm (claimed 20% stronger) and rear shock with a side facing fluid reservoir, stiffened frame with relocated solid engine mounts, increased trail and reduced fork offset, and new Nissin four-piston caliper brakes and 320 mm discs at the front wheel. Slight engine modifications included a return to the B/C model style Keihin CVKD carburettor and a 10% heavier crankshaft offset by a reduced diameter flywheel reported to help the engine spin up quicker, boosting low and mid-range torque. In 2004 the ZX-9R was replaced with the ZX-10R. Performance The 1998 ZX9r C1 was the first stock production motorcycle to run a quarter mile in under 10 seconds with a 9.99 @ 136.8 mph time. The 1999 C2 ran 10.06 @ 138.96 mph. A California-only 1998 ZX9r C1, with "1 HP less power", ran a tested 10.28 @ 135.32 mph quarter mile time. Motor Cycle News got a tested 1/4-mile time of 10.6 secs. Cycle World recorded a 10.19 @ 137.90 mph from a 2002 ZX-9R F1. California-specific evaporative emissions control (EVAP) models included two-stage exhaust catalytic converters, two additional fuel tank fuel vapor recovery plumbing tubes fed to an under tank charcoal canister, an evaporative emission purge control valve incorporated into the Y-snorkel RAM air system float bowl equalization plumbing, and carburetors with electronic fuel cut off solenoids. The California EVAP model ZX-9Rs were also sold selectively throughout the U.S., including Illinois, Florida, and New York. They vented less pollution into the atmosphere, thus using what would otherwise be evaporating fuel into better fuel economy. U.K. models, which were similar to 49-state U.S. models, in that they were not fitted with California EVAP emissions plumbing valves and equipment, included the P sub-variant of ZX-9R and didn’t carry the consequential model year labeling. For instance, a 2003 U.S. model ZX-9R F2, the last ZX-9R produced by Kawasaki, could be labeled by an owner in the U.K. as a 2004, 2005, 2006, etc, etc, etc,... ZX-9R F2P depending