- 416 Ex Jetting
- 440EX jetting
- take out spark arrestor on stock 400?
- pipes
- running alcohol
- burning oil?
- Sproket Question
- Ducan Racing Double Barrel
- need advice
- 250EX jet needle?
- 440 piston
- First Gear woes...
- Does n-e 1 know wer i can find Aftermarket rockers For a 400ex
- 440EX with XR cam, what pipe?
- Will the 425 engine rip a part my stock clutch?????
- Just slip on: Big power difference?
- Jetting
- charging system test
- Question on 330ex kit!!
- WB E-series for 250EX!
- pipes
- EMGO oil filters???
- Alcohol guys, I have a question
- 400EX jetting??
- 330 kit
- What Would You Do ??? HELP !
- 300ex jetting
- Where to get aftermarket or high power coil/CDI?
- sputtering in low gears, high rpm?
- e-series
- Big Gun or Pro circuit?
- i may have a jetting problem...
- White Bros Pro-meg/Slip on
- 400EX Electric clutch?????
- Hanging the Carrillo on the wall
- Hrc #?
- kit and cam
- Brrr getting cold
- 300ex mods? good or bad??
- head pipe
- 250 ex mods
- Just Curious??
- sputtering recon
- FCR carb ?
- Holy Sh_t
- 300ex jetting with fmf megamax exhust
- Putting in a jet Kit?????
- What Jet Sizes???
- Idle or not to idle?
- 400EX Mods??
- 440ex problems
- Pilot Jet
- 300ex upgrade carbs
- What pipes between...
- raptor
- Another 330 post Please help me!!!
- Glowing Red Headers
- 300ex mods
- cold weather starting
- Do I have to re-jet?
- port job or oversize valve head....
- XR400 cam/ Stock 400ex cam whats the diff???
- cam qustion
- Got my TC Pipe
- jetting
- LECTRON CARB QUESTIONS...
- Pro circuit or graydon proline
- Lectron Carb Questions...
- White Brothers E- Series
- 250ex re jet???
- 250r cylinder????
- 440 Kit???
- Gaskets
- Hinson Racing clutch cover or XR400 clutch cover on a 400ex?
- Will it Fit? XR -> EX
- COBRA Exhaust ?
- Valve Adjustment, Have you done it yet?
- XR400 kickstart in a 400ex?
- 300 EX Sprokets
- what sparkplug
- aftermarket oil filters
- 330ex jetting
- Sparks Racing Timing Advancement Key
- Lrd pipe is it worth it???
- Battery Blues!
- Adjusting auto clutch's
- kill switch
- 14/36 gearing
- oil 40w or 30w
- Recon Wont Start!!! Help!!!
- D & D Exhaust
- Stupid Exhaust Question.
- Pro design kill switch?
- Over Sized Exhaust Valves
- got the T-4 now what size jet? 250ex
- Please help with timing chain!
- XR ONLY headers...
- Air filter question for you gearheads
- what size carb?!?!?!
- valve clearance
- 426
- 440?
- Accessing jet?
- Fmf Titanium
- 250EX exhuast purchase questions
- 416 mod
- 300ex exhaust and jet questions
- 250X cylinder head bolt torque specs
- clutch
- 250x kickstart on 300ex?
- cr 250 carb
- Pilot Screw turns?
- Pro Design Case Saver installation
- jeting
- 400ex smokes slightly
- pilot jet
- Help me with my MegaMax II pipe!
- Help! FMF or WB pipe?
- which type of oil
- How do you think this will work?
- Need Info On Building 250x..Help??
- skid plates for 250ex
- 300ex pipes
- timing marks
- 250X Cold Start
- .80 bore on 300EX worth-it or not?
- Supertrapp IDS 2?
- 400ex Cooling
- the foam filter
- which oil is the best to run in the 300ex
- Another Exhaust Question
- HMF Exhaust?
- 400ex porting
- Cleaning a stock filter
- Carb Boring
- 440 Bottom end
- Spark plug reading
- Needle Location Kehin
- Pro Peg update
- Bills 400EX Pipe?
- cam sprocket & camshaft
- web cams and stock core refunds
- 300ex tuning
- jetting ? for a friend
- 400ex head pipe
- E brake block off
- air box snorkle
- Which pipe has the best HP gain?
- Yoshimura $
- jetting
- Another jetting question!
- 440 w/o a cam
- Best place to buy a Keihin 41mm FCR?
- 440ex w/o cam jetting
- Gear Ratio for 440ex
- xr400 vs. HRC cam
- No more pipe questions
- Cold starting 400ex issues
- W/B ignition modules
- Air/Fuel mixture screw?
- Wish me luck!
- 400 problem..
- does a slip-on give much more power
- white bros e-series slip on
- 88mm Piston
- BAD cold starting 300ex
- yoshimura
- How much HP?
- 500ex - Liquid Cooled
- Whats the problem?
- what is "blown up"???
- Exhaust and HP questions??
- what kind of header will fit with a T-4?
- Oil???
- cam
- White Bros E-Series
- 2 questions
- oil drain plug
- 14 tooth front sprocket
- 42 pilot is the cold start answer Thanks!!!
- Dropping a gear!
- w-bros slip-on
- White Bro. Head pipe?
- ?????
- head pipe
- 250x power?
- air scoops
- parting out 300ex
- 400ex oil cooler
- HMF Exhaust
- 300ex header pipes, i need some information please
- edelbrock carb for 300ex?
- horsepower
- What Should I Do, Guys?
- Pro Design Kill Switch
- WB's rev kit
- stroking
- 350 kit
- Oil Leak?????
- motor swap
- Crompression measure in PSI
- 86 250r spark Arrester needed
- Gas In The Air Filter? Whats Up?
- Not sure if this has been answered before but asking anyway!!!!
- 425 on the way
- 2001 400ex problem HELP
- Finally put my exhaust and power kit on!
- ..300ex../..350x..??
- cheapest engine mods
- would it still be reliable
- Spark plug
- Who here has a White Brothers E- Series Full System
- Help on jetting
- One Button Starter?
- Need help ASAP!
- Sidewinder sprockets the best?
- 416 Question
- 400ex PLUG GAP
- 300ex oil cooler kit
- TC website?
- MX gearing ????
- Enging making loud noise at high RPM
- HRC or GT THUNDER
- i am hittin the rev limiter...
- RECON ENGINE HELP!
- Synthetic To Regular
- Heavy Duty Cam Chain
- What carb to get or should I modify?
- T-4 exhaust megamaxx???
- 400ex ram air?
- What to put on my 250 ex
- First mod!
- Recon / 250EX
- Got my 400 back!
- !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!HELP!!!!!!!!!!!!!! !!!!!!missouri/mid west
- 416 install
- What jetting are you all running with your full systems?????
- Blueish header pipes
- Oh no i think i am running a little to rich ??? what do you think??
- 440 Valve Questions
- Where to find dyno charts?
- which pipe puts out the must power.
- Recon/250ex swapping
- Recon compared to a 250ex
- WB e-series on a 250ex
- Ring ?
- 440 Race Kit for the 400EX
- I have a question about the engine running rich.
- where can i find dyno charts???
- Jardine Exhaust ??