View Full Version : ATV Powertrain
- Approx. Speed
- 400EX carb float: is it adjustable?
- Why are the HOTCAMS so worried about breaking the cam in correct???
- Whats the PROPER way to install a gasket????
- tricksters 300 pix
- proc circiut t-4 slip on : what main jet and pilot
- aluminum rear sprockets
- CFM airbox Lid or no Lid????
- 440cc compression reading
- If you have a choice ESR or Sparks
- Jetting for different elevations...
- thumb fatige question
- ATV cool power clips
- Ross and je, any difference?
- Pretty Pissed but now am okay..
- new clutch...
- Help me out.
- stage 2 cams?
- leaky valves , need some info !!!
- Bore Kit Overheating Question
- Carb Problems
- Big Bore Questions
- Accelarator pump
- removing choke
- Air tube?
- 10.8:1 piston and cam
- 460 big bore kit
- Power Valve cylinders
- mm or thou? valve settings
- white brothers e series or pro circuit t-4 ?
- removing chain
- video of lrd pipe???
- Clutch is slipping, what to replace?
- horsepower
- Is this the problem?
- head cover gasket
- bored and sleeved 440cc cylinder?
- Header weld pics before/after
- what next....
- need help with 350x motor
- Jet Question
- 300ex Exhaust Poll
- HOT-ROD and Frogburner's updated pics of the Quads..
- best clutches for high comp. motor ?
- BREAK in Procedure?????
- Sparks Exhaust Clamp?
- valves,oil
- Wb R4
- 400 wont idle
- 250r engine upgrade
- cam instal 400ex help! exers
- Motor work?
- Clutch?
- port and polish
- Honda CRF 450 Motor
- Worier vs 440ex
- What should I do here???
- Finally
- ProFabAtv?
- twist throttle kit???
- jetting questions
- 300ex/350x conversions probs please help
- one more jeting question
- 300EX/350X Conversion
- 250x vs 300ex
- New California dB noise restrictions
- Ross vs. JE
- Hotcams: Stage 1 or 2
- help me?!?
- clickin noise when i push quad, its by the gear box
- Power-up Kit question
- 96-98 XR400 ross piston in a 400ex?
- Quick needle clip question.....
- 89mm Ross Piston C/R with...
- Why 2 Head Gaskets?
- 10.5:1 piston in a hot AZ summer: Detonation?
- Its Alive ,,, my 400 is a runnin SOB now.
- compression
- Anybody have there headpipe jet-hot coated?
- Oil Coolers - any performance gain?
- which compression
- 300
- Exhaust question
- Sparks 39MM FCR Reviews...
- high comp. piston, cam
- Why am I fouling plugs?!
- Dont Click Here!!!!
- 300ex dies when warm
- Quick Question...
- Qwicksilver Carb Throttle????
- which carb is better ????
- 39fcr Or Quicksilver ???
- Just got back from the sand drags. And I have some interesting results.
- Is my camshaft ruined if...
- the truth on "real compression #'s"
- 4 stroke headjobs
- worth it to bore stock carb?
- stock jetting
- 25-30hp
- 400ex Big Bore ?s HELP ME
- race gas hurt stock?
- parking brake block question
- 250ex auto clutch help
- I need some rev-box recommendations.
- bore question
- Rad-loc
- R crank probs
- I need quick help! 400ex Oil Change
- nuetral probs
- HMF slip-on
- 440 instal headpipe glows red?
- carb ?
- 250r piston Q
- Need help (Hesitation)
- electrc start
- is this right????
- banshee hp?
- need help...fast
- 300ex vs. Warrior
- big gun exhaust
- Its time for more power!!!
- Jetting For Gabs Mod
- Is this possible??
- Hey Chump... (Raptorman)
- problem with base gaskit
- 400EX Vibrating Badly! Please Help!!
- Does this hurt the engine?
- what carb
- ripping 400?
- Installing 416 or 426
- Where to start rejetting
- Stator question?
- need sprocket help quick
- Fdo 493 ???
- Remove Choke
- Little help please?
- 300-330ex help?!
- where to buy
- 400ex hp, and power gain questions
- Big gun
- Problem with Fourtrax 300
- 400EX newbie..-Best Slip-On-!!
- Anyone "need" a CR500EX??!!
- 400EX Best System
- Help
- Fmf
- new ex mod out...
- Who sells 89.25-89.5mm pistons?
- Cam ?'s, important
- 425 or 416 question
- anyone with a 400ex who does not own a K&N jet kit--------GET ONE
- CFM Performance Air Box
- problem with 300ex
- Should I?
- white bros jettin
- Best Big Bore Kit for 400EX
- pipe on ebay?
- Dyno Jet or Dial-a-Jet
- 39 FCR & Exhaust?
- 350x carb on 250x?
- 300EX gearing
- ep cylinder
- I Got It!!!
- stainless steel or ceramic for sparks x-6?
- Filter question
- I got the Bomb!
- Crome Exhaust other than LRD???
- carb adjustment
- best place to buy sparks exhaust?
- Curtis Sparks X-6?
- 250R from 250X
- Stroker Engines?
- HMF Slip on pipe owners i need your help
- is a 14 tooth front sprocket worth getting, pleasehelp?
- Exhaust question
- To anybody that is going to put an aftermarket header on...
- my coming 400ex
- cylinder head polishing (internal)
- Help Installing my Sparks Igntion Key?
- WOW, my HMF rips!
- Could it be my axle bearing?
- 350x motor in 300ex frame
- Broken Case Saver Bolt
- backfire
- jetting
- exhaust
- will synthetic oil slip clutches worst than normal oil ?
- backfiring when letting off the throttle
- Clutch install on 250 x
- Ims 440
- 416 to 440?
- probs with the 416, jetting?
- wont start good
- Best jetting setup for my 400ex?
- High Rev CDI on this engine?
- clutch hub removal on a 250x
- Rev box ??
- Would this work out right?
- When it comes to jetting...
- Is Cometic XR400 head gasket same as Honda?
- Rebuilding this 440-need advise please.
- HELP Chain keeps coming loose
- Carb recomendation
- ChadEXer questions
- Need Help!
- K&N vs. UNI
- Just got done putten her together!
- Engine oil?
- Air Scoops?
- sparks modded air box lid, anyone???
- Dyno-jet???
- What grease for cam?
- Gasohol???
- Red hot header pipes on the 440
- new t-4 picture
- adjusted my valves.... sort of
- street legal quad!
- tricksters verticle walk
- chrome/coating header?
- Did anyone read the GP Thunder exhaust shootout?
- aftermarket rev limiters
- kick start
- Anything else before I begin?
- choke removal ??????
- White Bros E Series Pipe
- UNi Jetting???
- 87 Zilla chain tightening help!!!
- New HMF on Z400
- do I need a himson basket?
- how's this sound???
- Cost to make my 400 a 440?
- Transmission problems??
- Ring gap
- Ah ****!
- transmission problems II
- Carb for 300ex?
- 250ex bore kit
- doing a rebuild
- Big Bore Kit $ 250x
- e-series help??
- 400EX Pilot Circuit ?
- chain stretch
- valve adjustment specs for 440
- changing pilot jet
- Blaster(slightly modded) vs. 400ex(stock)
- Torque Specs For Case bolts.......
- O ring or X ring
- 250EX valves??
- Plug and HRC question
- what am i doing wrong!!!!!!!!!!!!
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