Kawasaki Ninja ZX-12R Service Manual (2002–2004)

The Kawasaki Ninja ZX12R covered by this publication is the ZX1200-B series, with the factory Model Application table listing ZX1200-B1 for 2002, ZX1200-B2 for 2003 and ZX1200-B3 for 2004. Kawasaki's official 2002 Ninja ZX-12R Owner Center page identifies the first covered model as ZX1200-B1, while its 2004 service-manual page identifies the later machine as ZX1200-B3. This revision therefore documents a specific three-year run of B-series models rather than the later ZX-12R production years as a whole.

The motorcycle is built around a 1199 cc fuel-injected hypersport inline-four: a liquid-cooled, four-stroke DOHC engine with an 83.0 × 55.4 mm bore and stroke and 12.2:1 compression ratio. Factory specifications list up to 131 kW (178 PS) and 134 N·m for applicable markets, with regional output variations. The fuel-injection hardware changes within the covered series: ZX1200-B1/B2 models use four Mikuni 46 EIS units, while ZX1200-B3 uses four 46 mm Keihin units. The B3 documentation also adds an immobilizer-system section and changes the periodic-maintenance treatment of the air-cleaner element from cleaning to replacement.

Power is transmitted through a wet multi-disc clutch and six-speed constant-mesh return-shift transmission to a chain final drive with a 2.556 reduction ratio. The chassis uses Kawasaki's aluminium monocoque concept, described in the manual as a large box section running over the engine rather than conventional perimeter spars; the hollow structure also serves as part of the Ram Air system. Factory chassis figures include a 1,450 mm wheelbase, 23.5-degree rake, 98 mm trail, 120/70 ZR17 front and 200/50 ZR17 rear tubeless tires, an upside-down fork with 120 mm travel and Uni-Trak rear suspension with 140 mm travel.

The manual lists a 19 L fuel tank, 820 mm seat height, 210 kg dry mass, 3.6 L engine-oil capacity and a 12 V 12 Ah battery. Its fourth-edition revision is dated March 5, 2004, and the Model Application page identifies the uploaded publication as part number 99924-1278-03. Because that table ends at ZX1200-B3, the previous 2005 and 2006 tags are intentionally removed. For other factory documentation, browse the Kawasaki Ninja ZX12R manual category.