- Cylinder Head Cover
- Show your XC/Trail 400ex
- Ring gap too much?
- "spring and plunger" in cylinder head
- difference from a 13 to a 14 tooth sprocket
- Switchfly throttles
- 400ex transmission problems
- Velocity Intake System?
- quick jetting question
- Header Installation Question?
- What Else Should I Do To My 400?
- Headlight trouble
- idle problem
- help with GTthunder head studs
- Ballance radials.
- 400 EX Shifting
- What to buy next?
- post mx 400 pics!!!
- fmf power bomb
- My 440ex leaks oil BAD PLEASE HELP WHAT CAUSES IT
- Whats all needed for 450r carb
- thinking rebuild this winter.
- 400ex cam bolts
- Needed info on buying / installing FCR carb on my 400ex
- shocks on the way
- Starting issue start not working?
- Magnum cams?
- 450r shocks on 400
- Honda 400ex Clutch not disengaging? Help!
- should i trade my 450r carb for a curtis sparks fcr
- 08 top end
- Got my 400ex back
- i may have a problem
- what carb do i need for a 400ex
- build my motor
- 450 arms
- Whats leaking?
- anyone ever used a hygear dual rate rear spring kit?
- xr400 headhasket on a 400ex and heavy duty head studs
- Then and Now
- stock 400ex or built z400
- Weekend Atv Adventures
- Clutch
- Strange compression issue and piston size Q
- Cylinder
- Project Slow Going
- Clunk in the front end
- check it out
- Where To Buy Maxxis 4 Snows?
- jetting help are <dj kits junk>
- 05-07 custom headlight
- 400ex throttle
- Just trimmed my plastic!
- 05 Plastic with 06 450R Headlight
- 2003 400ex Neutral Switch snapped off in case
- 400 ignition switch ??
- My official build thread!
- Smoke ):
- I need!
- Clutch Kit
- speed calculator
- 04/05 450 carb on a 400ex
- where to find laker plastic
- checking oil
- sell or keep on all the way
- Oil leak!
- starting woes
- possible jetting problem?
- Small bore stroker
- coughing on cold start up
- Will Banshee Rims Mount To 400exs?
- 440ex jetting help
- Caliper\Piston Q
- ??for people with a 450r carb on EX
- 400ex Stock Exhaust Question
- Teather kill switch
- Motor help
- Jet question
- Starter button
- oil leak
- irazr rear tires?
- oil cooler fan combo
- innerchanging a arms
- Clutch issues
- K&N Velocity intake question
- jetting
- Axle bearing cross reference..Aftermarket
- Best Dirt Drag Tire Setup For Hard Packed Dirt?
- valves
- Need Help. '04 EX Won't Run Right.
- Looking 4 Best Way To Increase Accel
- do they make a hump seat for the 400?
- Clutch help
- xc/mx aarms
- crankswork +4 crank on a 440
- JEtting help
- A few pics I snapped
- Cam chain
- 400ex not running right?
- FS 450R rear brake set up
- oil
- Two questions
- I should've listened........ but
- 400ex problem, could use some help
- Starter clutch
- lug nuts
- aftermarket light switch
- New rebuild runaway issue
- Bar bend and brake lever pull
- 450 hot start
- oil splattering on right front fender!!
- stock 400ex needle vs stock 450 whats the difference
- 400ex and 400x frames
- Another 04/05 450r carb ?
- Axle bearing help
- 400ex front end messed up
- Need help
- Cotter pins...good idea
- I'm screwed.
- Rear suspension problem
- 400ex Carb Question
- Wiring for dummies
- 03 400ex sputters
- largest piston in 400ex without resleeving
- starting question
- should have taken a picture
- 440 ex Bigbore Kit and Hotcam stage2
- Got Some 4 Snows And Pro Wedge IIs And Need Help Deciding Which Ones To Run!
- ex
- 400ex stock a-arms, tierods and shocks trade for long travel shocks
- what to use for jets on a 05 450 carb for a 400ex
- want to run 22s all they way around
- Magnetic oil drain plug
- Alright guys, what's wrong here?
- Choke/enrichment valve on 450r carb
- 400ex oil tank repair HELP
- Interesting jetting problem
- Possible trade I'm looking at (need advice)
- GT Thunder rear link ?
- What am i doing wrong with throttle cable?
- seat ?
- 01 honda 400ex... whats wrong?
- Piston Identification
- My 01 440ex with new hood installed
- Help Choosing Powdercoating/Paint Color For My 400ex
- Rebuild!!!!!
- Help! Fmf exhaust rattle!
- My 400ex Wont Start, Help Would Be Awesome.
- Having clutch issues
- 2006 twist kit
- tires
- Gasket question.
- '03 400ex Running horrible after rebuild
- 400EX misses at top end. PLEASE HELP..
- 400's with 450 shocks - pic please
- Cosmetic question!
- 400ex plastics question
- 400ex 440 stroker
- Needing a Carburetor Throttle Slide
- 400ex drag times
- 05 450r carb on 400ex jetting problem
- odd plastic
- 400ex Hotcam question?
- strange problem
- Used cam questions
- Crf, yzf hybrid ?
- 400ex clutch pin lifter
- Fresh top end!!
- looking for an fmf power bomb for sale for my 400ex?
- 400ex mx build
- i need 400ex extended a arms and/or nice shocks
- 440 or 426?
- will 450r a arms fit a 400ex?
- what are good mx tires for a 400ex?
- need help
- crf 450 timing chain ? 400ex
- Am I Running Too Rich?
- Piston Ring Question
- power bomb header question?
- CJM, Dxcody, guys with 450 shocks on 400's...i Have a ??
- Tires not seating properly
- can a built 400ex really have a chance against 450's mx racing?
- Too much red?
- Some Drag Racing Videos/Pictures
- 05 450R carb w /VRpilot adaptor, airbox and intake boot! For sale!!
- stock bore size?
- Homemade lowering kit
- Anyone flattrackin' in Wisconsin?
- 450r carb help
- hare scramble taylorville il
- couple more questions spark plug.
- squeaking noise from front end
- Exhaust
- GTT XC/MX Link
- off set wheels?
- got some parts ordered but
- Brake Lever Question
- Valve cover bolts...
- 400EX Cylinder Head Identification
- 400ex year hood
- 416 rebuild giving me more problems. w/ video
- Quick q
- hot rods stroker crank or regular?
- Oil filter cover bolt stripped
- lightened flywheel
- my 400ex drag bike
- 2003 400ex making weird noise please help
- aftermarket fan
- valve question
- 08 TRX 400 front shock noise
- Paint
- Yuasa YT12A-BS vs Shorai
- its back!!!
- Any guesses what broke my piston?
- Trx450r
- 450r pro pegs on 400ex
- Maybe a stupid question... but..... (suspension)
- What Jet Should I Run???
- 450r carb after rolling over
- 450r works shocks on a 400ex?
- 99 Fourtrax OEM Seat?
- breaking in the motor
- How A 400ex Should Look
- how to change shifter seal?
- Gbc x rex tire size q?
- PEP to Fox
- +2 arms and shock revalving question
- Need help... Steering is loose
- Cylinder scoring
- 400ex race graphics
- New thread of my build
- xc setup?
- where to ask 250ex questions?
- Need help with my 416 dying
- 416 kit stage 2 hotcams??
- not my 400
- Tires
- GT Thunder Poly Skid
- Loud top end tick
- Saturday Night's Drag Results With Videos/Slips
- Orange tms Gel battery on ebay??
- For those with grab bars: Grab Bar Saver
- 400ex frame guards
- jetting sugestions please? on the differant 400exes
- Question about replacing OEM piston
- tie rods
- WB E Series full exhaust
- Carburetor upgrade
- Fat bars and hand guards for xc
- 440 big bore