400ex Race Motor

Teixeira tech s blueprint for building a competitive air hammer for the woods.

400ex race motor. Exhaust turn down end cap turn down tip includes 6 stainless steel bolts. While the honda 400ex now 400x isn t stealing many headlines after 15 years in production the venerable machine is still deserving of praise and attention. Fat boy 4 complete exhaust system 440 piston kit sleeve steel head gasket installed camshaft hd valve springs w titanium retainers shortened bronze guides dr head porting with guides out 3 angle valve job edelbrock carburetor kit instructions dr tech support. Dual engine 400ex 250r 450r based machine accepts cr450f and 250r engines with narrow front end.

While most machines need a couple years to i. The 400ex on the other hand has very little gain in power from doing a mild port job with standard valves on a 416 motor or smaller. The rest of this race spec machine is first rate too boasting triple disc brakes long travel suspension reverse aluminum wheels and new for 2008 slick new styling that now makes. Offering one of the best sport atv engines honda has ever produced a 397 cubic centimeter air cooled dry sump design the trx 400ex is an awesome performer.

Click here to see how we did in the dirt wheels magazine trx400ex pipe shootout. Trx400ex pipe kit the ct racing sonic trx 400ex exhaust system includes a stainless header muffler with 12 discs and jet kit including our titanium needle. Trx450r header modified to fit 300ex. You won t see a difference until you get into a 440 engine or bigger going to a big valve head on this one.

Duncan racing s complete 440cc engine performance package for the honda 400ex. While it may not be able to. Drop in camshaft honda 1999 2007 trx 400ex 249 95 extra quiet insert 19 95 hd clutch kit honda 1999 trx 400ex 149 95 heavy duty valve spring kit honda 1999 2007 trx 400ex.