- Rebuild time?
- honda 400ex idling problem and with jets
- worried
- to solve my intake issues...
- Need Help Now
- Port & Polish
- 400ex jet choice
- 400ex decompression rpoblem
- Chain and Sprokets?
- wheel spacers??
- Problems!!
- Serious timing problems
- battery
- timming key prob
- 03 400ex jetting help hmf slip on
- Axle question>
- replacing clutch
- 400ex gasket kit?
- Axle rear nut tightening
- tuning help
- front shocks
- chain adjustment help
- tools
- oil tank question
- Something wrong with the starting???
- Routing your clutch cable
- what brake
- any tt tracks in?
- that 4 stroke sound
- Man, more motor problems!!
- new motor break in.
- Jet fuel?
- 426ex smokes for a min.??
- Need help finding E- series baffle plates
- Rear carrier....
- Aftermarket Fuel Screw for the 400ex ???
- quick question
- harescramble
- Case Saver
- jetting???
- 400 gone racing with the 450s
- 2Bros, 2003-07 M7 slip on, On a 2001?
- FMF Slip on help
- CFM Oil Tank
- Gettin' shocks fo FREE!!! lol
- JET Motorsports suspension?
- Engine Stutter???
- air filter oil!!
- Websites for 400EX parts?
- 88 mm rings
- smoking what the h***
- Let the tear-down begin!
- piston?
- Gassy smell in oil
- black smoke
- clutch cable Q
- 400ex top speed!!!
- Skull Hood
- 426 vs 440
- What Are They Called?!
- Need some A-Arm help
- Hot cam splines striped out Where timing gear goes
- Snowriding On The 400ex
- Shaving a 400ex head
- what octane fuel
- identify hotcam
- Quick Question
- These 400ex's Sure Are Tough
- Burgaurd = s**t
- 400ex and xr400
- Won't run
- where to buy 14mm ball joints
- nerf bars
- 400ex rear break?
- case saver?
- A easy fix for you guys with cable/header pipe concerns
- wont start
- swing arm help please!!
- axle problem
- a-arm kits
- any one ?
- decompression problems
- Looking to buy a 400
- Yuasa Battery
- carb/jetting help plz
- let it go :( :)
- yzf 426 pipe on 400ex
- Back to stock muffler and now wont run!
- Skidplate
- XR600-650L ?? on fittment in 400ex
- any one have ?
- hot cam install ???
- dirtbike
- What exhaust should I buy?
- 39mm FCR Upgrade - Is it Worth it ?
- Choosing Some Handlebars. Any Help?
- anyone used sea foam in quad?
- did i get a good deal?
- three 400 ex and a 250 hittin mudhole
- Aftermarket Headers?
- Hot cams ;00
- rear shock
- broke studs :(
- 400ex tire won't hold air
- spendle and hub ?
- carb
- Build update!
- Looking in to 416
- ported head
- How do you remove warning lables?
- k&n airbox lid 400ex
- Jetting
- how do i get break stay c clip in?
- starting a rebuild on my 01 400ex what u guys think?
- bowl drain woes
- cam timing chain jumping a tooth ???
- My 400EX stage 2 and stage 3 hotcam comparision
- rear carrier does not have a groove for the break stay c clip
- timing issues
- Valve Adjustment problems...
- 400ex seat latch
- popping fuses
- AHHHHH..... stupid chain.....
- won't stay running
- Bling Star sprocket and rotor guard
- 400ex fender cutting?
- More issues...
- what's the scoop with 450r shocks???
- 440 kit installed NOW WHAT JET SIZES?
- Multi-angle GoPro ride in Los Padres National Forrest
- Awesome luck
- Exhaust Gaskets
- 400EX aftermaket intakes?
- outerwears mod?
- how to gain power?
- 450 axle on a 400
- Well what do you know, time to adjust the valves
- Clutch Replacement Question
- I have to praise the old 400(440) tried and tru
- Short clip of riding, the go pro :)
- Service and Owner's Manual
- Some New Found Powa Im Sure
- spark plug??????
- 450r-400ex frontend swap
- Question on the Transmission
- question
- need help blown fuse?
- what kind of web cam?
- new 400x owner
- another starter questions.... starter/sprag
- front sprocket
- decompressor spring/plunger
- 400ex xc set up
- Clutch wont disenguage, oil tank overfull - whats your opinion
- stage two cam
- Im having a weird problem here.
- FCR Carb Identification
- maintenance???? before storing for winter.
- 400ex Problems?
- Need help on 2007 400ex wire harness
- anyone in Michigan
- Curious: GT Thunder XC Link
- hub nut spec i need a new one,,
- frame swap
- FCR 39mm on 400ex
- Do you know where this picture is??
- 450R rear shock on 400ex
- HELLP!!!!!!!!!! 400ex wont start.
- Fried my topend??
- YZ kill switch install on 400ex???
- 14 tooth sprocket how many links?
- Help!!!!!! Cam Problem
- 416ex carb??
- tusk axle
- Stickers
- going to the mounds in mtmorris,mi tomorrow...
- 2004 400ex Carb Issues
- 400ex K@N Powerlid, Airfilter, and, Outerwears Cover For Trade
- master link
- 400ex build
- 07 400ex wont start??
- Maier front fenders
- 08 plastics on an 07 big deal to change?
- Gasket....
- tusk hand guard
- :)
- Too Rich?
- New style 400ex's
- Hardlandings Atv Club
- 01 ex won't rev past half throttle after warm
- how screwed am i..first oil change on this bike not good
- painted engine
- prep for sand dunes
- Missing carb. screw?
- Carnage/New wheels?
- Im stumped
- HMF Shorty
- 450r shocks- Need a set?
- are fullflight arms on ebay any good??? whats benifit of +1 longer arms
- do i have mayier plastic???
- For those of you with Roll Design A -Arms
- New to forum. Questions about Maint.
- Carb Help! Video Attached
- Clutch problem
- plug reading questions
- tie rod end question
- My 450EX Winter build
- Twist throttle 2005 400ex
- tri5ron???
- Need gaskets P/N
- how can things like this be missed?
- 400ex bushings
- **Revised** NEW GUY does 400ex Re-build
- HMF silencer for 2012 400X
- Which clutch?
- 450r Fox float R shocks on 400ex
- Valve spring tool?? Seals are getting close
- Oil leak
- Motoworks Exhaust
- HMF vs. Sparks
- Cam Chain
- How Do I Fix This??
- 300ex rear fenders on 400ex?
- Adjustable needle
- 400ex plastic
- Got a problem with shipping
- e85
- My 400ex rebuild thread
- wheres the cheapest place for rear fenders? and watch my videos guys
- Motor full of gas
- sorry guys.
- On light woulnt come on
- show me your 2005-2007 400ex cut fenders
- new and old 400ex
- Screw thread size for skid plates?
- Switch under clutch
- First run questions?
- Stainless Oil filter
- Seat Covers
- head work ?
- Geometry Alterations with 450r A-Arms??
- Talk to me on clutch springs BARNETT??
- Show Ur Sick 05-10 400ex!
- AMR Rev Box & Monster Coil
- Anybody running Tusk heel guards?
- Valve adjust
- 400ex backfiring
- O2 sensor
- headlight fitment?
- really came along...thanks for all your help guys!