Tech Corner

400ex 440 bigbore kit

Started by dmfm4744

Replies: 2
Views: 10,429

July 08, 2013, 06:20:30 AM
by cr500pro

400EX cam chain and/or valves

Started by QuadMAN2k5

Replies: 3
Views: 7,089

December 20, 2010, 12:28:15 AM
by duroc825

400ex carb question

Started by dreth

Replies: 15
Views: 19,068

December 15, 2004, 01:30:27 AM
by dreth

400ex CArburetor/fuel ?

Started by Inyourdraft2000

Replies: 6
Views: 6,096

February 27, 2006, 03:21:21 AM
by mrbones

400ex flywheel problem

Started by atvtrailer

Replies: 0
Views: 3,278

December 03, 2005, 01:02:43 AM
by atvtrailer

400ex front sprocket

Started by Jax_Rdr_01

Replies: 7
Views: 6,247

February 05, 2006, 02:17:37 AM
by Jax_Rdr_01

400ex front sproket

Started by rubicon500kid

Replies: 5
Views: 4,250

December 22, 2005, 06:34:24 PM
by kfx400rob

400ex head on a 300ex

Started by ovalracer44

Replies: 0
Views: 2,954

October 25, 2007, 12:43:27 PM
by ovalracer44

400ex help

Started by Dustin_89

Replies: 3
Views: 4,986

January 22, 2007, 06:59:20 PM
by xr100racer

400ex jetting

Started by wchughes5

Replies: 1
Views: 4,119

April 03, 2005, 01:36:21 AM
by Chuck_Norris

400EX light fixed!

Started by Honda328i

Replies: 3
Views: 4,035

February 23, 2006, 04:17:10 PM
by Ida_Mann

400EX mods

Started by Fox17

Replies: 10
Views: 6,901

January 17, 2008, 03:32:06 PM
by TRX450R_Racer

400ex mods

Started by jaxdawg

Replies: 21
Views: 13,470

March 24, 2006, 01:25:22 AM
by Hollywood

400ex problems

Started by bignickwaite

Replies: 3
Views: 3,679

March 08, 2007, 03:17:09 AM
by Lukeidiot

400EX Questions, MX minded????

Started by 400exRacer77

Replies: 1
Views: 3,428

April 25, 2005, 09:18:27 PM
by 400EX

400ex Remodel

Started by hondarider95

Pages1 2 All

Replies: 28
Views: 20,526

January 25, 2007, 05:29:34 PM
by hondarider95

400ex rev problem

Started by rubicon500kid

Replies: 4
Views: 3,788

February 21, 2006, 03:53:43 AM
by rubicon500kid

400ex runing hot

Started by rubicon500kid

Replies: 4
Views: 4,632

April 02, 2006, 08:37:09 PM
by rubicon500kid

400EX smokes what to do

Started by SPLDan

Replies: 5
Views: 5,099

May 14, 2006, 12:13:43 PM
by Chuck_Norris

400EX spark issue.

Started by Fox17

Replies: 2
Views: 3,738

October 17, 2008, 03:51:39 AM
by Fox17

400EX Timing chain modification

Started by Chuck_Norris

Replies: 1
Views: 3,549

March 29, 2008, 04:21:24 AM
by lugnuts

400ex WILL NOT start(goes tactactac)

Started by Miami450R

Replies: 12
Views: 8,833

March 06, 2006, 12:34:13 PM
by Ida_Mann

400ex won't start

Started by flt mech

Replies: 5
Views: 4,861

November 06, 2007, 02:11:47 AM
by lugnuts

400EX WONT START! HELP!

Started by 300EXRACER

Replies: 7
Views: 8,127

April 11, 2006, 05:56:27 PM
by Ida_Mann

400ex/450R/450ER Maintance question...

Started by NoMoreHoez

Replies: 1
Views: 3,181

February 15, 2008, 08:02:43 PM
by VForce700

426cc big bore OR 416cc big bore that is the question ????

Started by anthony9789

Replies: 2
Views: 4,299

June 15, 2008, 02:53:36 PM
by exrider

450 foreman shifter angle sensor

Started by Moose

Replies: 11
Views: 9,766

October 18, 2005, 02:51:15 PM
by Moose

450r back fire problem

Started by SlowJoeRacing

Replies: 4
Views: 3,991

January 02, 2008, 03:57:28 PM
by SlowJoeRacing

450r bogging

Started by atvtrailer

Replies: 12
Views: 6,981

July 22, 2005, 05:13:41 PM
by atvtrailer

450R Breaking-up Top-End...

Started by Yamaha72

Replies: 8
Views: 6,879

June 22, 2006, 12:34:32 PM
by svtbolt04