- am i close on jetting??
- What do you think about these...
- Vin Number
- MSO Nerf Bars and DG Full Chassis Skid Plate
- pison size
- 250r aarms on a 400ex
- How to make my 400ex out run a 450r and predator
- top end kits....
- Frame tweaked?
- Oil Question?
- Maier Plastics Input
- Quick Question
- another video
- axle length
- Cutting out on top end
- Cutting out in high rpms
- a-arm bushings
- hotcams
- Broken shifter shaft
- Chain Problem
- whitebrothers slip on, what size jet?
- engine assy lube?
- 'Busa battery in EX?
- Looking to add new shoes....got questions.
- 07 400EX questions vs 05/06
- need help figurin out whats wrong
- Quick Question
- More Power Out Of My 440EX?
- carb
- long travel arms
- 39mm FCR MX? jetting? powervalve?
- Cross country set up help.
- Kickstart on an ex
- +3 aarms
- cam chain interval?
- getting stuck
- new guy need some help from you pros
- FMF Powerbomb opinions
- fullbore rear plastics???
- updated pics of my quad
- Looking at a 440 BB kit
- Which crank to use.
- how much should i ask
- Highest Rpms?
- DuBach/Dr.D exhaust system
- please read if you have an fcr on your ex.
- 05-07 dash panel with pic
- Engine build Plans
- rebuild...
- 250R shocks on 06 400EX? Is this possible?
- 440 Build...Just a few questions
- help crank problems
- Stock Front Shocks
- EBC Brakes???
- Plug wrench or what
- bad day....
- quick question
- WOW, what a difference(twist throttle)!
- Anyone else Running Mobil v-twin?
- 416 or 440?
- carb problems
- Curtis Sparks Help!!! Pics
- Clutch basket scarring
- Need A Question Answered ASAP
- Deciding on a bumper
- Buying-what u think of this 400ex?
- what do you guys think?? honestly
- XR 400 right side case?
- 8 Plate Clutch setup ??
- jetting
- What size sprockets should I get?
- engine reassy - 2 questions
- Rear Suspension
- loss of power in 5th gear
- fuel filter
- edelbrock for a 400ex on a 440BB
- Kryptonite Evo Lock-improved?
- What is a 1999 worth?
- ROCK nerfbars?
- my supermoto quad
- Best front end
- E-brake wires
- Chain vibration
- battery
- Rezzy covers?
- The best 400ex full exhaust?
- yfz fcr 39 ques.
- Valve Clearance
- need help with motor !!
- Need Help Please
- seat cover
- How to tell if a 400ex is over heating?
- Anyone have an A-arm guard pattern?
- Anybody ever rebuild their calipers?
- A couple questions, exhaust and gas leaking.
- A couple questions, exhaust and gas leaking.
- Gearing for sand, what sprockets?
- Timing Chain
- Replacing Clutch on EX
- Battery. Stock vs. YT12A-BS vs. YTZ14-S
- Wiseco or JE Piston
- Just picked up a new (to me) 400ex
- how old
- 400ex carb on a 300ex
- Tires
- spark plug gapping or too lean?
- 15 tooth front sprocket wobbles
- Quad Tech seat cover
- help deciding engine rebuild
- elka linkage with a stock shock
- Terrible Tinking Sound
- 400ex rear shock
- 400ex pipe
- Best Way to keep and engine cool
- if i buy longer a arms will i........
- Buddy just got an 03 400ex, pics
- What will fit from a 450 to a 400
- 07 400ex vs 07 Z400
- ASV clutch lever
- only runs on choke
- Stripped bolt on exhaust
- problem
- s/o or full
- stage1 or stage 2
- Parking brake (lever)
- first mods on a 2007 400ex
- uneven front end
- White Brothers E2... what do you think?
- 2nd gear wheelie
- 450R Shock On 400Ex with +2 A-arms
- 4x4
- My 2000 project. Pictures.
- 400ex bored .025 over
- what year 400ex have reverse ?
- please read!!!!!
- got it all together, pics. (FCR)
- Tag bar question
- 13 tooth sprocket
- exhaust
- exhaust help
- problems help me plz
- Stage 2 HOTCAM on the way, Thanks Colby!
- Anybody running sparks filters??
- how much h.p
- cowbell noise
- 05 boggin bad
- pilot jet?
- HD head studs tq specs
- battery tenders
- what website????
- Chain Ugh
- help - still have 2nd gear problem!
- Anybody know anything about these PIAA H6M lights?
- help Aluminum Airbox
- 2000 400ex overheating
- Hydraulic Clutch
- Is this a good sprocket.
- what to do first
- Jetting Problem......
- what to do first
- is 110 octane ok
- Quick question about 450R shocks on 400EX
- spring coating?
- 400ex carb trouble??
- electrical
- wont start
- so embarassed!
- Advice on Flat Track Racing
- Pipe Guard Anyone?
- 416 hp?
- GAS IN THE OIL"help please"
- fcr
- Stuff to go with a 440 kit?
- pro armor mx bumper?
- tires
- Help, will be quick:stock front shocks
- removing ignition
- still confused
- Can someone post a pic of there stock stem
- Can someone measure something for me on a stock susp/tire 400ex
- Looking for someone From Kinsley, Kansas
- Oil coming out behind flywheel
- chain and sprockets?????????????
- 400ex stock swingarm length??
- 450r shocks
- Cowbell Question Answered
- My home made scoops
- Home made brake light set-up
- Bad vibration w/my 400ex
- Stupid easy question, but im havin trouble
- Rad Loc nut
- Buying need questions answered
- anybody custom mounted headlights on a 400ex
- 400ex manual
- What a day!!
- 440 kits???
- please help me
- good deal?
- widening the 400ex
- 42 pilot jet
- Loudest 400ex Slip on??
- Dual Exhaust????
- Free easy 400ex Mods??
- Removing muffler packing
- Anybody replace thier cam chain and tensioner?
- 400ex upper ball joint
- changed oil and......
- Jetting reassurance...
- 400ex engine on 25" laws?
- info needed!
- Scott's stabilizer on 400 Ex quad?
- 400ex wiring problem SOMEONE PLEASE HELp
- 400ex valve lash adjustment
- asv clutch lever
- Maier plastic problem
- timing key question
- How to fix squeeky suspension?
- suspension ??'s + more
- Routine
- 416EX build -- Won't Start --
- new rebuild questions
- +1 or +2 ???
- Hmf
- is there a way to loosen up the stock shocks on 400ex?
- laker custom/ ignition help
- 400ex transformation
- new hmf and k&n
- adjustable caster??
- Jetting/fuel screw question.
- Jetson exhaust?
- exhaust help??
- flywheel weights??
- brake pedal help
- THIS has been discussed before
- Viper +2 good-bad???
- Constant flow of gas out the overflow
- can't get rid of the bog..
- stage 2 mods for 400ex questions
- Question About Lone Star Axle Housing
- hot cams
- Loud motor tick
- any guesses
- a arm question
- 416 jetting?
- ltr 450 tail light?
- 440 running again
- oil pumps
- 450r throttle cable
- 460ex and bigger?
- kill switch help