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400cc & 450cc Four-Stroke HP Comparison - Graph showing horsepower ratings for Gas Gas EC 450, Honda XR400R, Kawasaki KLX400 / Suzuki DRZ400, KTM 400 EXC, and Yamaha WR450F.

2006 KTM 450 XC-G vs 2006 KTM 450 EXC-G - Bore / stroke, transmission, front tire, silencer, fuel tank, weight, and retail price.

2006 KTM 525 XC-G vs 2006 KTM 525 EXC-G - Transmission, front tire, fuel tank, weight, and retail price.

New for 2003, KTM 250 EXC RFS - New cylinder head (port cross-section increase from 35 to 37mm), Keihin FCR-MX 37 carburetor, and lighter valve springs boost RPM level as well as peak power.

New for 2003, KTM 450 EXC RFS - Engine based on 2002 KTM 400 EXC RFS engine. The bore was maintained while the stroke was increased from 46 to 72mm.

Links to KTM Four-Stroke Related Articles on the Internet


2008 KTM XC-Ws: A woods racer for every taste by James Holter of AMA (Thanks Ecks!) 2007 KTM 450EXC: A street-legal race bike without compromises by James Holter of AMA 2007 KTM 250XCF-W: Master of versatility by James Holter of AMA	2007 KTM Super Duke - Supermoto all grown up by Grant Parsons of AMA (2005) Riding KTM's Supermoto fleet by Grant Parsons of AMA (2005) KTM unleashes its 250F by James Holter of AMA 2003 KTM 525 EXC Ride Review by Trevor Hedge

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