- 250R vs. 400ex
- Dumont 440EX Performance
- HMF sucks
- 400ex timing chain
- belated Bday surprise
- Trx500r
- good woods tire?
- what should i use to cut my 400ex fenders?
- This can't be right, What am I missing?
- 400ex on Alcohol
- 400ex interchange with 300ex
- WTF, jetting on FCR carb.
- Is it a big power jump....
- Starting Problems...
- 400ex jetting question
- how to remove warnig lables
- 11.5:1 compression
- 400 with 450r slip on ?
- I was wondering if the Curtis Sparks pipe sounds good
- big decission
- 400ex or Z400
- kool
- Hmf
- whats a good clutch kit
- in need of a lil more power
- what to do to a new quad
- SHOW OFF THE 500EXs
- Taking off plastics?
- I got $1500 to BURN!
- Quick and cheap
- edelbrock carb
- does suspention realy change an ex?
- 400 to 440 conversion
- supertrapp disc tuning
- Glowing Head Pipe
- Gaskets
- no base gasket and advance key
- 416 installation?
- Cdi Box
- 400ex with bomb squad graphics?
- bumper ???
- The new mods
- hmf jetting
- bolt pattern quick!!!
- gearing ?
- Neutral Light Problem!!
- Scotts Oil Filters
- taillight
- Jetting Question.....
- Need Info On A Stage 1 Hot Cam Please
- Help! Advice 400ex
- 250r grabbar on a 400ex
- what to do to my 400 ex
- oil leak
- Not Starting
- installed the 450R carb and WOW.....!!!
- cam ques
- um oversized tank
- 250r in a 400ex
- kickstart 400ex
- 250R nerfs fit a 400?
- rev box need help
- a new fo' hundy
- Will my Axle work???
- Swing arm bolt problems?
- airbox question?
- Winter setup (pics)
- Looking to Buy a 400ex
- which pipe would be better
- carb swap
- Project 400ex Is Underway!
- some pics of my 400ex
- first ride this year
- 400ex carb. on 300ex
- warn winch
- CRF Cam Chain In A 400ex
- impressed with the 426
- me and my quads
- Wheels
- WB/Big Gun rev box problems
- question on a-arms.
- clutch switch
- battery cover
- Jetting Slip on vs. Fullsystem
- Hot Cam Stage 2 With only K&N and HMF exhaust?
- Frame ready to be put back together
- pics....
- procom engineering
- buy exhaust or not
- Yet another starting issue
- 99 400ex
- Yellow 400ex Graphic Kit
- Post some pics of your EX.
- Extended Axle
- Will i feel a difference with porting and polishing
- Oil filter diagram?
- 416 piston kit???
- Sparks timing advance
- Lonestar Axle
- 450r hoods on 05 400ex
- 400EX reverse
- Hetrick racing 416/425 bore kit???
- Winter Rebuild done
- Wirring re-routing
- Stock Shocks
- who all likes the turf tamer and razr combination
- Jetting a carb
- Axle
- xr cam
- 400ex part needed
- wont start
- winter rip down and rebuild
- YFZ carb on a 400ex
- Please Help
- a-arms
- Chain Maintenance?
- Duncan 440kit
- smoke at start
- What To Get?
- Best dune pipe
- steering stem
- Looking for a new pipe.
- Cam/Piston Help
- 416 help
- 450r carb
- The PowerBomb
- Graphics
- $200
- Tag T2 or X5
- 400ex vs kfx400
- Air Leak around Headers?
- Specs
- HMF pipe so what jetting?
- places to bore my engine
- exhaust
- 440 jetting
- Just got the 400
- 400ex head removal how too
- how to remove a head on a 400ex???
- White Bros. cam
- Hard seat
- Clutch lifter pin?
- nice day for pics
- Axle Lock Nut
- sprockets
- Glowing headpipes
- 300ex 400 motor swap
- whats too much
- is this a problem?
- Do you have to change the jetting in the 400ex...
- degree key and big gun rev box??
- my boddys 400 ( pics )
- finaly got pics of my 400
- A-arms
- Wheels/Tires for trail riding?
- brakes
- Jetting.
- what do you think of this frame
- Bone stock 400ex jetting?
- +3 arms total with?
- Turn over front rims (dangerous?)
- black/chrome hmf
- can i get some feedback............
- my quad..just got it together last night
- rejetting
- Reliable Engine
- Cross-Country set up?
- Carb Problems?
- 400ex chain size
- what is the hub bolt mm size
- crf450 engine
- my 400ex rebuild
- About how fast
- need a Gusset kit
- should i or shouldnt i ???
- 400ex v.s. Blaster
- popping exhuast
- Gettin a 400ex to start in gear with the clutch pulled in?
- 250r plastics on 400ex
- Need Help!! Starting Issue
- stock vs. aftermarket
- +3 a arms
- 14T front worth changing
- Gearing
- 400ex grab bar
- 250r plastics on a 400ex
- chm exhaust
- Help with broken clutch spring bolt!
- 400ex
- engine life
- 400ex speed
- sporket size ?
- what nerfs do you all like/recomend?
- Mobil 1 Red Cap users need to read this
- Gasket question
- does lrd only make the pro 4 series
- 400ex Carb Quest?
- 450R shocks on a 400ex??
- Motor shutting off
- Rebuild part 2
- Single clutch perch?
- whut should i get
- 1 more 400ex rebuild
- Leaking Gas?
- 400ex starter button
- 416 Or 426??
- will 250r lonestar stem fit 400ex??
- motor noise
- 400 Ex Plastic
- What atv to get
- does anyone know?
- high rev CDI box (which one?)
- 400 EX jetting
- Those with 450R carb
- Not Idiling!
- Whos gonna be racing their 400 this year?
- cutting out
- front shock sqeek
- headers or not?
- C&D head gasket thickness
- oil level
- Finally!
- 450R carb questions, size jets
- 400ex problem
- steering stem? Please help!!!!
- 400ex front hood?
- Open air box concerns
- axle question
- 440ex.........
- tc exhaust
- Reducing the weight of the 400
- Dismantling 400EX
- tc exhaust
- No lid vs. K&N powerlid vs. uni filters vs. ehs lid vs......
- Gearing Help
- KFX vs ex
- Castrol Syntec Oil
- Here it is my new 400ex!
- trinity exhaust?
- kickup pegs?
- Air Filter Adapter
- 400 ex TOP SPEED
- Shocks
- 400ex
- 440 gearing
- best clutch for a 400ex
- 400ex timing???
- Any Free Mods?
- Will this hurt my 400?
- another jetting question