- Nerf Bars
- Head Gasket Leaking ( Heavy Duty Head Studs )
- Updated Pics.
- Need Pictures, Razr2-Razr combo! Are 22's okay?
- 400ex timing, valve adjustment, and decompression clutch questions
- Tranny whine???
- Clutch Problems ?? Oil Problem ??
- need new tires for 05 400.. Where?
- 400EX wont start
- Motorcycle motor in a 400ex
- Chain size question
- 400ex setup
- tell me what you think!
- 400ex rev box questions
- 460ex you should try it
- Battery relocation air box pic request...
- Trail Tech CPU
- Duncan Racing Decal
- Low compression question.
- metal mulisha
- jetting
- dumb question
- HD Studs
- Bearing Carrier
- Stage 1 Hot Cam With A 11:1 Piston
- A arms
- 400 vs. 450r mx
- 416 with stock studs
- duncan racing graphics ?
- MX Racing
- Front brake trouble.
- ODI Clamp on grips
- Absolute best exhaust (sounding looking power wise etc...)
- Oil cooler fan?
- 07 400 ex TIRE QUESTION
- how much are razrI's?
- Which is a bigger bike 400ex or Banshee
- Won't start plz helop
- new stuff!!
- lucas oil
- Brakes? What should I get?? Help!!!
- suspension question
- Pilot jet
- Z-400 Shocks??
- what rev box to get
- 440 Big Bore Kit
- hard to start and smokin
- i need some help!
- cleaning
- Pics of my 2005 400ex!
- Rotor help?
- new carrier and axle ?
- Built a 400ex from the ground up for the GF . PICS
- quadtech hoods
- anyone please post pics of laker plastic on their 400ex??
- stroking
- 440 stroker do they run hot?
- Krylon Fusion Paint, Who has it? How good is it?
- 460, 440
- ? on 440
- newbie to the board got some ?'s
- powernow on fcr 41mm carb please help
- Oversized gas tanks and fenders???
- Notorious Blingstar
- stroker crank case machining
- Holeshot HD'S
- MX'ing my 400 for the 1st time...
- anyone know how high a 400ex revs?
- skid plate parts??
- New parts, new questions
- Clutch Basket Locknut...
- 432 cm on cyl
- kill switch install
- seat cover
- Mx in florida
- Pictorial Progression of my 07 400 ex
- Pictorial Progression of my 07 400 ex
- Pictorial Progression of my 07 400 ex
- piston rings
- wheelies pull to the left! why??
- Anyone know?
- front end width ?
- what parts are interchangeable on a 400ex and 450r
- Hipers...Best offset for XC riding
- CNC project billet seat latch
- Dyno for HMF for the 400
- 400EX graphics kit, where is the best?
- HOW HOT Trail Tech dash kit with temp gauge
- HOW HOT Trail Tech dash kit with temp gauge
- expert help needed cant figure this one out
- Dial-A-Jet Works or Bull?
- stock swingarm or not
- 440 jetting help
- 400ex suspension/balljoint ?
- z-400 axle barings?
- rear axel worn out ?? how to know??
- Clutch Problems
- new 400ex plastics
- 400ex starting probs
- What is the purpose of a.....
- Grab bar/subframe help??????
- trailtech lighting
- start button issue
- KFX400 vs. 400EX
- Opinions on white hood
- my quad won't start
- Finnally,new sneakers
- stock compression?
- Akrapovic Exhaust
- Getting rdy for Waynoka
- what motor will fit?
- What do you think of my new 400ex?
- Take Your Atv To Church!!!!
- How Much??
- Quick Question...
- Hook up throttle cable for FCR carb?
- Just cleaned carb 400ex
- Air fuel meter for jetting
- Super grip stinger tires
- 400ex swinger on 300ex
- rear axle dimensions
- Gearing for XC Racing
- Tools to replace clutch cable
- I need opinions.
- Pics Of My 400ex
- clutch covers!!
- 10.5:1?
- Can sum1 plz help my 400ex oil problem
- installing a 6° Ignition advanced key???
- Need A Swingarm Bolt & Nut
- Jetting with FCR 39mm
- Jetting for Powerbomb header
- problem
- valve seals
- Gas leak
- stroker crank
- Pics of 400ex with XC tanks or O.S. tanks
- The big question, do hi rev CDI's actually make a difference?
- So what should my next mod be....
- Ex Wont Start!!!!
- Are they the same!?!?!?!?!?!?
- Gas leak. Plz help
- Rear Sprocket
- 416 or 426
- switched cams,jetting?
- plastics color!?!?
- 400ex problems
- need tire info
- edelbrock carb any good? how do i tune it?
- 440 kit blowin head gaskets.....
- what programmable ignition is better...
- Quick Carb Question
- Debating.....Need help.
- jetting for HMF slip on + K & N Filter?
- 400ex Reverse??
- do 450r or 250r front calipers fit 400ex?
- whats a better set up for mx 440 or gt thunder stroker
- 400EX quick and easy mods
- big bore jetting issues
- witch REV box is not mapped like the XR?
- pros and cons of new carb or even necessary
- Little help on pricing
- Time for a rebuild
- outerwears?
- ignition problem
- need a ballpark price....
- after-market clutch
- Repacking R4
- 02'400ex wont start
- 450r carb or other aftermarket???
- Port and Polish gains?
- Where is the idle speed adjustment screw?
- Changing oil?
- have a few motor ?'s please read.....
- Dynojet and airfilter question
- Who wins??
- 419ex
- uhh help with cpu
- Rev or CDI boxes?
- OMG embarrasing, plz help
- starting problem
- oil questions
- Need help wont start!!!
- Chain myths?
- nerf bars
- TAG bars
- 400ex cutting out in topend
- 07 400 Ex
- chain guard?
- How to install DG alloy Nerf bars on a 04 400ex
- 400ex cutting out
- what can I buy?
- 450r throttle cable question
- is this a good trade??
- Probably a stupid question
- Skid plates ^_^
- 450r carb jetting question
- Anyone have a 2008 yet?
- 400EX Running bad
- spark plug gap???
- 416
- durablue rear axle problem
- 400ex choke problems
- 06 400ex smoking
- Any ideas on makin a 02 400ex to beable to woop a 04 Ltz 400?
- 400ex running rich or leaking a little oil
- help with carbon fiber hood
- gas leaking from drain hose when on reserve? And other probs
- cheap 400s?
- Eddie Carb?
- Trinity Exhuast
- racing!
- just got a power bomb now checking plug
- sprockets
- does anyone have the XR's only temp dip stick?
- 406cc questions
- Whats The Toughest Swingarm?
- Pictures of the beast
- sand shark's or sand star?
- Where can i find some anti-vibe bar inserts?
- Question
- I recommend this tool
- compression pistons
- A-Arm bearings_change?-grease?-replace?
- 450r carb=higher dbs?
- Starter button
- Did I screw up???
- Ordered a 450 Carb
- 400ex Choppy, and Cutting Out
- 400ex rebuild need advice
- Head Gaskets Do Not Like Me
- 400ex MX mods
- opinions on fly handlebars?
- New guy here
- Out w/ the Old and in w/ the new/used
- Lights, Valves Seals, and Oil Resevoirs, OH MY!
- FCR on 400ex???
- any one pick up an 08 yet.if so could i see it
- removing airbox lid
- Chain slack
- Help Price my 400
- Hotcams, use of decompression? urgent!
- anyone ever repacked a WB E2?
- 13 tooth front sprocket
- 2 different 400's and jetting
- Harden Rockers?
- opinions on break in please
- anyone have 2008 400ex?
- pics of yellow 400 with black wheels?
- 400ex rims