- how long do u have to run
- clutch problems
- 400EX Modification Advice
- Timing advance key reviews?
- Project X
- 13 tooth front sprocket ?
- 250x or 300ex air scoops
- Predator Rear Sprocket
- Electrical problem please help !!!
- Adv. Timing on a high comp, big bore.
- what sprockets
- Mickey Dunlap
- Couple of questions for yall
- Whats this mean?
- help with 400ex airbox
- Pro Motors???
- need help! choke is stuck
- H E L P
- 300ex clutch
- Mickey's 400ex Cool Kit
- 350x head on a 300ex jug?
- Too Much Top End?
- 500ex
- FCR Cable
- 86 TRX250r
- Nitrous Kit For 250EX
- 500ex reliability
- Jetting questions...still waiting on my FCR
- Mickey, 416 WB-E quiet core jetting? help please
- 300ex Fuel Delivery
- wondering about timing keys...
- Happy day another Jetting question
- Curtis Sparks
- oil leak
- clutch..... i think
- 400ex Carb Question, ASAP
- ~400ex Exhaust~
- Fram oil filter
- i need an airbox
- My sleve shattered, Why?
- what does dry sump and wet sump exactly mean?
- Is it ok to do this?
- How to wire old kill switch
- 300ex rod into 250x engine?
- Slapped the 400ex carb on the 250x last night..
- Smoking
- BOring out a 300ex
- 400ex Carb On A 300ex??
- Clarke vs IMS
- New Valves
- Need new carrier, suggestions for EX??
- 400ex problem!
- The time has come
- best clutch
- 18 inches in the back
- Unleaded fuels or Leaded fuels?
- Just rejetted.. Idle too high
- CRF450 or 450r?
- Hot cam Stage 1 yes/no/maybe so
- 416 help
- Is this FMF pipe for a 250r or 400ex?
- intake ??
- 96 links too many for stock gearing?
- How is golden west cycle??
- 2stroke//4 Stroke Carbs
- 400ex key
- Wiring diagram?
- clutch cable keeps burning
- 3 Angle Valve Job Questions
- rev box
- beartracker carb
- Where can I get a good starter button?
- ETON impulse
- trx450r exhaust
- Machine Shop Blues
- Bike is bogging
- How Reliable would this be??? Please read!!!! To 416 or to 440.. Thats the question
- Big Bore
- 18s real deal
- Valve Adj...Feelers
- I just bought my ATV !!!!!!!!!!!!!!!!!!
- how many watts are the 400ex lights?
- Piston Break-In
- 300ex questions
- fcr accel.pump mod?
- 400EX into crf450r questions
- Another jetting question
- motor swap
- new 400
- Cam Chain Slack
- 400EX Fuel Mileage
- Transmission? Clutch? Problem
- calling all wb E-series
- My First Valve Adjustment
- Mikuni TMX for 250R
- got my FCR 40mm today
- Gunner killswitch install??
- is a 400ex stock bore with 11:1 compression possible??
- 300ex clutch problem
- cooling fan on 400ex
- Links please,,
- Hey guys I need help PLEASE!!!
- Stock rod failures with 440?
- Stock Carb
- Throttle cable
- hey motor dudes i need ur opinion
- Break in
- I got a Dyna Ignition
- best way to break in a 2 stroke
- 416
- Throttle response problem
- 300ex Aftermarket Clutch Baskets
- throttle response problem
- need help quick
- 39mm FCR Won't Fit in Boot - HELP
- Honda 250x upgrades?
- Bogging problem (detailed description)
- stupid 400ex err
- name that carrier
- electrical updates for R
- trx450 fan
- what do yuo guys think
- stripped bolts.. bummer
- will a xr400 side case fit on my 400ex
- clutch
- 250x run with a 400ex?
- send me pics of your 300ex
- valve springs?
- motor problem... need help bad
- carb adjustment
- Storing race gas......
- 300EX shifting into Neutral
- carb
- clutch problem.... i think
- Thinking of being crazy...
- baffles
- what machineshop to use in Indiana
- piolet jet
- 350x conversion worth the money?
- Radiator repair
- Cheapest place for oversized 250R radiator?
- need help with jetting
- stock bore 11.1 yes
- comparison: 400ex vs yfz engine
- elbrock carb
- what causes popping thru the carb?
- Pivot bolt help ASAP!!!
- oil resovior full of gas
- A long shot, but can someone scan a R wiring diagram?
- head gasket
- Exhaust Leak..?
- Does this sound right?!
- starting after getting
- 416 won't start..Help!
- Throttle respnse problem
- spark arrester
- Need some Jetting help....
- Air Mixture screw???
- Drive Shaft seal?
- More jetting questions...
- ESR 310 problem?
- 416 Vs. 426 Vs. 440
- mystery choke!!
- drag racing motor
- spark arrester
- I Need Help
- TC Cams
- crf 450 motor in a lsr frame that has 426?
- anyone with hmf q-core?
- 416?
- stock clutch
- FCR 41mm throttle cable
- wut quad do i get???
- I am going to burn it.
- 300ex electrical problem??
- Gas leak
- 350 triple into X frame?
- Raditor shrouds
- cam2 question
- What kind of chain is everyone using?
- Edelbrock Thumb throttle??
- 440 kit
- Looking for 400EX Pipe ?
- loud tick
- 450 cam chain for 400ex ?
- Not reving??
- 300ex cam chain keeps breaking
- 450S foreman
- Stage 2 Cam & Timing Key
- TC Pipe Question
- hot start? what does it do
- 13 T front
- 4 stroke eng.building
- to all you blaster owner's out there
- 300ex motor conversions
- Clutch slipping
- HELP! 440EX gas
- 300ex hood scoop
- where to get spakrs pipe
- 300ex air scoops
- do you have to rejet if...
- 300ex electronic fan assist
- ???anyone know where streamwood is in illinois??
- 300ex bogging down up hill
- Twin Air
- 250R mechanical seal question
- PE clutch baskets as good as Hinson?
- 600ex
- tires
- 400ex timing key in a 250r
- who has best silencier
- Sparks 450R
- Thumper racing sleeve
- New clutch on 400ex
- Running lean
- May Run, No Time to jet... or is there?
- case saver problem
- which motor is taller 426 or crf 450
- Clutch chatter..............
- Durablue lock nut?
- Is there any advantage to gearing like this?
- Sprocket Nut
- 520 o ring
- what kind of cam
- motor breakup
- fuel or electrical
- 300ex pics with 250r hood scoop mounted
- pics of 300ex with 400ex & 250r plastic
- 300ex with a 400ex oil cooler
- trx450 electric start
- pipe
- FST's website
- 450R FCR adapter here-->
- $300 for a complete 440 motor i think it is a good deal do you?
- white bros rev box
- Put my LTE Duals on the EX tonight......
- oem 400ex subframe
- ticking
- Hot cam
- 400ex flywheel puller i need one asap
- anybody know???
- Any Silver Lake rider's have HMF pipes?
- whats a better exhaust?
- what size socket?
- anyone running the fcr 40mm??
- do i need to bore for 416 or 426
- Assembly lube
- HELP!!! chain snapped and is stuck.............
- Sorry Just Have to Post This
- Burned Valves