- octane question
- gmick or good buy
- stock plastics
- Real photoshoot of my new EX!
- What octane
- Handlebar Bend?
- Engine tick
- Pro X pistons????
- traded my 400
- clutch ideas
- Signed up for a race, need nerfs!
- Rims
- Horseshoe Drag Setup
- thumb throttle vs. twist throttle
- My first attempt at a video
- need help with new exhaust
- red hot!
- After Ride/Race
- ASV F3 Clutch Lever Question
- handlebar mount
- 400ex makeover wont start
- another "What cam do I have"?
- Pleases help my toe hurts!
- jetting for 416 with stage one cam
- pics from todays ride!
- is this a problem?
- help with axle
- Video @ Zaca Station MX Track
- EX Wont Start
- my new 400ex
- XC racing questions
- 450r Hot start
- Broken oil filter bolt... what do i do???
- Wanted 400ex head
- Glamis in July
- 06 400ex wont start up good
- Want more for my 400
- hitting the rev limiter now
- Powroll 440 Stroker
- air fuel dyno
- more power
- Air Scoops
- Shes about done
- Need help dumb questions
- Broke exhaust bolt
- Best Tires For Sandy/Intermediate Conditions?
- heres my plan...
- yet another jetting thread
- Hubs
- rear brake light mod, and handlebar questions
- Poor stoping power ...
- Colors
- idle stumble after rebuilding motor
- 06 400ex My first build!!
- Tie Rod Length
- specific quick jetting question
- Shreveport Louisiana Track
- what's wrong with dynojets
- Ran into a problem changing bearing
- 450R shocks work great!
- Installed YFZ front calipers...WOW!
- Only had it a week and need more power
- pilot screw
- Quick question
- ever had this problem?
- 400EX Trail Ride Helmet Cam Video
- another jetting question
- Differnt carbs and jetting questions?
- Another damned Jet ????
- Blue
- best big bore kit
- 400ex mods?
- picked up an 05 400ex and lookin for A Arms & Axle
- Oil?
- carb hoses???
- 400ex suspension: MX application...
- one more jetting question thread !
- stock rear hubs
- Glamis?
- Few questions about my new build!
- holeshot video
- Full Slight +2 A-arms
- Running hot or normal?
- WTB: Spark arrestor needed!
- best place to buy billet clutch basket ?
- sport quads in the mud
- pinging under load
- 2005 and newer A/F screw adjustment?
- looks like ill be back on another....
- Ticking?
- Interco Swamp Lite... Good?? Bad??
- Sparks or Procom???
- FCR questions
- steel rims vs aluminum???
- shift lever
- anything i should know about the 05+?
- Front tires...
- white brothers slip on from a 450r on a 400ex?
- Sprocket Manufacturers....
- copper head gasket
- air box lid?
- Stage 3 Hotcam question
- Valve Adjustment
- Custom exhaust
- 400ex??????
- head bolt nut question
- dirt drag racing
- Bar Risers/extended stem
- nerf bars???
- Few HMF exhaust questions???
- Oil in crank case
- 400ex wont idle and backfires??????
- BIG problems....
- 39mm fcr carb
- I need some help with jetting...
- pinging?
- How to know if it really is a 440cc motor?
- Complete set of NEW 400ex brake pads
- 400ex dash/ lights and key
- post your non 400ex pics
- white smoke on decel only
- sprocket dimensions????
- Nice Tie Rods
- 400EX Popping????
- 416 question and xr motor
- Wont start, cant figure out why.
- are they any good
- 400EX custom cooling
- Goin wide on my rear....
- XR400 bottom end
- Need Help!!!!
- Just thought that I would share
- pinging two
- Quick Question
- methanol use in atv
- wheel issue
- ? for drag racers
- 450r carb questions
- 6 speed ex ?
- 40 tooth rear sprocket?
- !@#$%$#!
- home made cooling fan setup
- 400ex rebuild Q??
- HID bulb sparks but doesn't ingnite
- How can i beat.....
- how much hp?
- New Quad
- torque spec
- Gt Thunder Head Bolts
- ? 05 ex
- 05-09 400EX/400X Manual
- Need Steering Stem Asap
- je piston/cylinder kit
- What year 450r shocks for a 99'-01' 400ex?
- front rotors
- Excessive amount of oil blowing out of breather tube
- what do u think
- New Axle
- Wrapped my header...
- Thinking of selling my 426...
- power clutching?
- Anyone ever see this happen???
- Insurance...your opinion please
- Needing some help bad spark issue and will not turn over.
- Adjusting the timing,?
- Who kept breaking rear fender brackets?
- hd stud kit by gt t, problems
- 12:1 compression
- whoops :(
- Curious about HIDs?
- Tires help
- well i installed 39mm (yfz) FCR
- need a measurement please??
- look what i just got
- Totally lost...help
- Local honda shop screwed me
- exhaust setups?
- 99' 400ex Project.... Starting ASAP
- Thought I'd share with you my new GPS
- i got bored....
- need help with brakes!
- Beat up on a yfz450 and banshee today
- Question about keys and shocks
- big gun rev box
- If you have Ceet graphics
- Fuel line/filter question
- Hot Cam
- XR 400 pipe?
- fan installation?
- Dumb question about oil change after rebuild
- 250r/450r handlebars clamps on 400?
- A arm question
- A Arm Bushings....
- 440 help?
- Callaing all experts to help with rebuild!
- New 400
- key&ignition
- need extra storage for the trail??
- mini shopping spree
- 100 hours what did you do?
- A lot has happened over the past week
- looking for stabilizer, which one??
- Clutch blew up today
- cracked headpipe
- front sprocket shaft
- Lonestar carrier and bearings
- retro plastic swap
- what all gaskets do I need for a timing chainreplacement?
- stock suspension setting up?
- 416 kit with stock gaskets?
- how does this set up sound
- a/f check this little gadget out
- 08 400ex smoking on decel
- trottle heisitation after oil change?
- Average break-in time on rebuild ?
- Lonestar bushing question
- any suggestions??
- 450R carb install / jetting information
- Please Help Transmission Problem
- Oversized Oil Tank
- Red plastics
- hotrods rod length?
- bumper
- Blown rebuild
- Oil won't drain?
- The Cruzin' Cooler!
- well ive got quite a problem on my hands
- here you go johndoe83, ericcrip and droppedmazda
- Need cylinder
- clutch springs replacement
- Are they junk??
- A.a.d.s.
- Pre 06 V.s. 06 newer. power issue
- Sound Clip: Lexx MXe (exhaust)
- Mr. Clean Magic Eraser WORKS!!!!!
- 400ex wont go passed 1/2 Throttle, + Smoke under load?? Help please
- Wtb 400ex parts
- Just curious
- Compression test... hot or cold?
- area 51 mx video
- kfx400 a arms on 400ex
- 450r sprocket on a 400ex
- How to tell if rocker arms are worn?
- pro armor nerfbars forsale
- Spark arrestor screen measurements
- Blowing Fuses
- diffrent handle bars on trx 400 ex where do i put the key and lights?
- Off topic question
- thanks TRXRACER
- sti sand trax tires