- please read...completely stumped
- 400ex carb
- 400ex rebuild problems
- need a quciker response! Which pipe HMF or Sparks?
- poppin noise when down shifting
- URGENT! need help
- White Brothers Carbon Pro Exhaust
- hrc cam specs 400 ex
- 350x motor install in a 250x frame
- 300ex
- Does this sound right?
- Whats wrong with my choke???
- 450r messed up
- Help quick please!
- HMF carbon fiber?
- z400 clutch cover
- Where Can I Find A Stock Honda Throttle?
- keeping cool
- blaster question .
- Best 416 Kit?
- scorpion exhaust
- cam/cluth
- heat tape
- would clutch be ruined from sitting in engine with no oil for 2 years
- 300ex motorwork
- Help!
- hybrid POURING out gas..?
- spark arrester
- Holy Loud
- 300ex with 400ex carb jetting
- High Compression Pistons?
- what else needed with 13 tooth sprocket
- 230 quadsport
- Bad experiance with LRD
- Need Help Quick!
- Fouled?!?!
- oil leaking
- Will this hurt it???
- 2005 400ex sprocket help
- JE 426 stroker piston?
- any body have a crf450 motor or a 450r for sale?
- Smokes alittle after start up?
- Hot Cams Stage 1 Question
- Choke ring
- plug check
- 400ex timing?
- question about measuring exhaust decibals
- 400ex timing diagram??
- making own exhaust
- 450r valve shims ASAP
- Engine Rebuild
- piston hitting?
- honda wheels?
- Help!
- axle!!!
- stroked 440ex?
- manual crank/starter on 300ex
- Air Scoops
- Need help with my 250r
- Old e Series VS. E2 series
- What did I damage??
- Clutch questions..
- 300 ex confused
- ? about decibal meters
- How much Gain??
- engine issues
- Where to get a jet
- dg exhaust
- dg exhaust
- GT Thunder vs WB Rev Box???
- Sparks Performance Kit B?? How is it??
- Ticking noise
- highest compression on 100 octane?
- 400EX stroker exhaust system?
- blowback?
- 440EXhp?
- Pilot help
- Whats Involved?
- what has to be done to fit a 400ex motor in a 300ex
- any body made a hybrid w/400ex frame &450r motor?
- my dealer cant be right?
- 87 polaris 250 trailboss
- FCR Carburators?
- please help, engine not giving more than 50% power?
- Bearing cross reference 400ex
- somethin, 4 ya
- wiesco crank and piston
- Fcr Help!!!!!!!!!!!
- Hmf
- Problem With 400ex...not Starting!!!!!
- 440ex starter problems
- Problem finding nuetral
- Which Clutch kit to get?
- Cold weather is here=300ex hard to start, any suggestions
- oil amount on 400ex
- Help
- to little or two much oil?
- WB E-Series weld broke!!!
- 400ex problems please look and help if possible
- bad day
- 400ex full hmf
- Carb/plug question..
- Fuel question
- Hot cams Install
- trail tech?
- NOS. stories of victory, or catastrophy!
- I found the tracking problem.
- top end assistance needed
- need help fast about my friends pred 500
- lights
- tdc head ,cam etc.
- 400ex has no power in gear
- 2006 TRX 450. Less then 20 min on it and head pipes glows red
- Break in
- f'd up engine
- Chain and sprocket
- exhaust packing
- got a couple of questions....
- Raptor Problems
- HP gains???
- 300ex problems
- whats the diffrence?
- 250x not running
- Blaster Broken....
- chain links...and stock sproket size?
- do i need vavle springs?
- 450r carb
- more torque
- got videos?
- Need some general prices for YFZ rebuild
- it just dies after an hour of seat time -- help!!
- what all to get with the 460
- 400ex
- 400ex
- exhaust spitting liquid?
- Sparks Exhaust Packing
- 03 crf450 top-end time...
- cam/timeing question?
- kx80
- 300EX owners. please respond
- Sleeve question Help requested
- 300ex cylinder head
- 440 break in
- top end noise
- Paper filter vs. foam in sand
- 250x Boggs Down
- db levels
- Crap!?!?
- 250EX exhaust
- 300ex pipes
- 300ex:cold natured or a problem?
- Newbie needs help
- new stg 2 hot cam
- 400ex aftermarket oil cooler??
- 250ex gearing info (transmission)
- 250r cylinder hone
- 450r exhaust is it interchangable
- setting valves
- cam issue on 400ex
- 400EX Bearing Carrier
- 2006 TRX450R. Can i remove the baffle and air lid without rejetting?
- 06 yfz exhaust
- 400ex not starting
- Port and Polish or Carb
- How much gain?
- 400EX Starting Trouble
- 41mm fcr how much?
- Carbs
- 400ex piston size
- 400ex clutch (quick answer)
- found some pics
- What kind of valves?
- 465 on pump gas?
- pipe ?
- Carbon pipes
- axle
- No air filter, no boot even...
- need huge axel help
- Edelbrock Carb Problem
- need more airflow
- 250r need help
- where do i find obscure sized bolts?
- 450R not Finding 4th Gear
- octane
- piston rings
- Exhaust?
- Backfiring?
- need help
- buying new exhaust need opinions!
- Yoshi Hmf Sparks?
- piston sizes
- timing chain replacement
- jetting help
- Yoshi or Hmf or Sparks
- Sparks Exhaust Sound Clip?
- 400ex starting problems HELP!!
- 400EX battery relocation - ANYONE???
- what drive chain to use?
- what kind of cam chain?
- I kinda feel sick!
- new spark plug
- kaboom!
- jetting?
- engine....
- Bore And Hone
- Exhaust pics
- help me out.
- a little rich
- 250x electrics with 300ex motor?
- LSR Rotor Hub
- Clutch Plate Assembly
- synthetic oil?
- Carb Help
- starting in gear without clutch
- more top end help
- best 440 work and who?
- changing gear oil on 06 450r
- Hare scrambles??? ltz 250
- Where I can get HRC Cam
- Pilot in cold weather??
- broken gearshift spindle
- 300EX Jetting
- LRD or HMF
- stage 2 (old #) cam and bad jetting
- Shorty exhaust for a 400ex
- Klotz Oxy gas
- Jet kit???
- blowing oil out exhaust
- 465 kit???
- Spark plug??
- CT/LRD LT250R pipe
- Any 400ex gizmos? ( motor problems)
- torque on head
- Serious question don't laugh
- Crf450 Horsepower
- info on hrc kit for 450
- 300ex problem
- Honda 400ex engine in a 300ex
- i need soem help gotta rebuild
- DG exhaust problems
- What do you think I should do.
- tc racing exhaust
- how many db's?
- Banshee
- best warrior exhaust
- Need Help With My Blaster
- Is 110 octane ok?
- ??? about high comp pistons
- 400ex question
- looking for a ds650 stator