WebNov 20, 2015 · The Honda 400EX has a very durable motor with good performance capabilities. Its power curve is very well suited to use as an off-road trail/ race quad, and for many it may be the best quad they could be …
Duncan Racing
WebDec 6, 2024 · Four Stroke Tech sells it. They are going out of business, don't know if you can get it from them anymore. Next best thing is a Wiseco 85mm 11:1 piston. JE makes a 12.5:1 but needs race gas. Airbox delete, 37mm FCR carb, jet it, Hot Cams Stage 2 or web cams (call for right application). WebAug 6, 2007 · Back in the day when the 400ex was the hottest quad Four Stroke Tech did make a bolt on top end that was a 500cc liquid cooled. That was a totally radical design that bolted to the stock bottom end. He stopped making them a while ago though. I think they ran for like $3000 2001 Duncan Racing National 440ex Power Cylinder 4000 12:1 JE two for gold odds
Honda 400ex Specs, HP, Weight and Top Speed - webBikeWorld
http://www.off-road.com/atv/review/mickey-dunlaps-four-stroke-tech-honda-400ex-cool-kit-21715.html Weblocate us: VISIT US: Duncan Racing International, Inc 9380 Bond Ave Suite B, El Cajon, California 92024 USA. CALL US: 619-258-6306 WRITE US: [email protected] WebHONDA 400EX. High Compression Pistons $195.00 (Standard through 120 Over) 440cc Big Bore Kit $325.00 Includes piston, rings, pin & clips, sleeve and head gasket. 465cc Big … talking eyes and more portal