For 2006, the TRX450ER is an all-new machine from the ground up, and features more power, sharper handling and now with electric start as standard.

New for 2006

• All-new engine is closely related to the CRF450R and CRF450X.
• Electric starter for easy starting in all conditions.
• Maximum engine rpm is 9850.
• New 40mm Keihin FCR-type carburetor for improved engine response
• Forged slipper piston is lighter than a conventional design, revving quickly while maintaining excellent cylinder sealing and high-rpm power.
• Compression ratio increased from 10.5:1 to 12.0:1.
• New transmission ratios designed for racing applications and trail use.
• Longer swingarm and new linkage ratio for improved turning.
• New A-arms, knuckles and spindles for improved turning.
• Stronger hubs provide improved rigidity.
• 8mm lower riding position for lower center-of-gravity, improved handling and rider feel.
• Front suspension is lighter and features a new spring for improved bump absorption.
• Rear suspension is lighter for improved handling and travel has been increased from 228mm to 236mm
• New airbox for improved airflow and increased power.
• Air filter is 1.4 times larger than previous unit for improved airflow and power.
• New exhaust system and free-flowing muffler increase performance while maintaining low noise levels.
• New cylinder head porting features improved flow for maximum performance.
• Lighter radiator features revised fin pitch for increased airflow.
• New headlight shape for race-derived look.