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Description
FEATURES
- High-performance racing camshafts
- Stage 1 and Stage 2 performance camshafts are drop-in cams that are designed to be used with stock valve springs
- In most applications, Stage 1 cams deliver more torque and Stage 2 cams provide more peak horsepower
- Select cams feature Hot Cams Improved Throttle Design (ITR) technology; these cams improve throttle response throughout the entire rpm range while providing excellent power gains through the mid-range and top-end
Technical Specifications
- MFG. Part Number 2249-1IN
Vehicle Information
Kawasaki KFX400 ATV (2003-2006)
The Kawasaki KFX400, produced from 2003 to 2006, was a popular sport ATV renowned for its performance and agility. This model shared its core platform with the Suzuki LT-Z400. It was powered by a 398cc, liquid-cooled, single-cylinder, DOHC, 4-stroke engine, paired with a 5-speed manual transmission including reverse. While maintaining consistent core specifications, the KFX400 received notable updates. For 2005, power output was enhanced with a carburetor change (from Mikuni BSR36 to a 37mm CV-style with TPS) and higher lift intake/exhaust cams. Suspension shocks were also updated between the 2004 and 2005 models. The compression ratio saw a slight increase from 11.3:1 (2003-2004) to 11.6:1 (2006), and dry weight increased from 168 kg (2003-2004) to 170 kg (2005-2006). The KFX400 generally offered a single, well-equipped trim, with occasional special graphics packages. Q: How do I know which parts fit my Kawasaki KFX400?
A: To ensure perfect compatibility, please use the year and edition selector at the top of this page.
Maintenance
| Component | Interval | Details |
| Engine Oil and Oil Filter | Every 50 hours, 800 km, or annually | Whichever comes first. Check oil level every 10 hours. |
| Air Filter | Check and clean every 10 hours | Clean paper elements every 100 hours; replace every 200 hours or annually. Replace if worn, damaged, or dirty after cleaning. |
| Spark Plug | Inspect around every 100 hours | Replace as needed. |
| Coolant | Change every 200 hours or every 2 years | Regularly check levels, especially in hot weather or during extended rides. |
| Drive Chain | Check tension before every ride; clean and lubricate every 10 hours |