View Full Version : ATV Powertrain
- Ive Got a Problem! Help!
- 300ex Pipe shootout
- hotcams stage 1
- half throttle sputter
- fcr question
- bogs in reverse
- coudnt believe it made a difference!
- 300EX question
- Which Pipe
- 300EX clutch
- 400Ex pops out of gear
- engine rebuild question
- Opinions on Kill switches
- should i go with a 416 or a 426
- shifting problems a rancher es
- Nitrous
- 300ex rims on a 250sx
- banshee throttle
- is this carb any good?
- '99 400EX axle headaches
- 300ex oil problem
- 39 fcr spitting sound ?
- Jegs/FST oil cooler owners
- 300ex cylinder ?
- Jetting Help (yea I know)
- 350X-Web ATV CAMS
- 450ex upgrade piston
- My new 400 wont start
- Question about YZ426 engine
- Protect thy engine
- what cam for mx
- Rancher ESP PROBLEM PLEASE HELP!
- CR250 wiring?
- Wanted: After-market pipe for 250x/300ex
- 300ex Gas Mileage...
- My 400ex sleeve cracked
- air filter?
- stock revlimiter vs white brothers
- white brothers jetting
- will the xr400 carb work on the 400ex ?
- what size is this
- what do you think
- 350x clutch springs for 430 stroker
- proper break in procedure
- Cutting Welds On A Stock Header
- How do you guys like your 416's?
- piston?
- dmc exhaust for the 400
- Choke Removal Question
- Install Cam Chain
- 400ex clutch
- Which exhaust? Curtis Sparks X-6 or LRD Pro Series 4?
- 416 Questions
- 440 Kit
- drop-in vs. non drop-in cams
- what kind of cam and piston
- Removing the Choke
- ross engine kits
- propellor in carb: powergains?
- White Bros E-series Or Big Gun
- all stock machine
- Gunnar kill switch install...help
- 416????
- Sparks 8 plate clutch and adjustment...
- fireworks in october??
- change cam guide?
- welds on stock header
- 416 or 440 ?
- How long for ESR to re-buld a crank?
- 3RD Gear Noise????
- 426ex bore or sleeve?
- 426 then?
- Clutch mods for 440
- how to add fuel at idle-1/8th throttle?
- Buildin an engine, my self or a builder
- 400ex dies
- starting problems
- TRX 90 To Cr80 converstion
- will a 250r rpm axle fit a 400ex?
- warrior ?'s
- 300ex full system
- fuel delivery problem
- boring to 416 or 426??
- 39mm fcr mid range miss
- question on some head work
- Hmf Pipes
- COLBY 39mm FCR HELP PLEASE!!!!
- jet kit for exhaust?
- Gearing?
- duncan fat boy
- Cam
- curtis sparks exhaust(300ex)
- 300ex disks, jet, questoin (EASY!)
- KTM-250X- 250 2 stroke 6 speed
- Sparks X-6 on stock motor?
- FDO motors
- horses, air filters, and speed
- 300ex problems
- how can i contact keihin??
- 440 or 426???
- Which Cam Is Better?
- How much for a stock carb?
- 300ex reverse fix, how to do it?
- suzuki....parts site
- WB E-series Pro meg
- Help!!!!
- How much money for an HRC cam?
- Doing the Engine my self
- 440
- steel braided oil lines
- 400EX Carb on a 300EX
- mods to go faster?
- Tips on porting my head and installing a 416 kit
- rev kits
- houston,we have a problem
- Curtis sparks timing key
- just dies.....
- 250R coil..Stock or High output??
- What would cause a 250R to keep blowing crank seals?
- 416 questions.
- Some Black Sh@#$
- drying your K&N
- what size jetts for a white bros full system for a 300ex
- Help with jetting
- *****need Rear Brake Hub!!!****
- Tightening chain on 400ex
- new clutch slippin bad but y?
- engine question?
- what kind of cam is it
- Rejeting for the winter
- 400ex cam timing
- FMF....Jets
- 350x decompression lever
- K&N crankcase breather filter?
- 300ex axle bearings
- cdi box??
- new 416ex but wheres my oil?
- My Carb is draining gas out?
- freeplay in rear end components
- modified stock cdi box or aftermarket?
- TRX5 or TRX6 for my R? help please
- Stalling or sumtin!
- very stiff clutch
- Cams
- Axle bearings
- air mixtue question
- Getting the right main jet
- Dmc Exhaust Packing Question
- 20w 50???
- Piolet jet
- info on the 416 kit
- carbs
- help....please....
- Overfilled oil...problems
- E-series came today.
- FDO Engine Builder ?
- Jugs??
- Need Directions for jetting for 300Ex
- Modifying Oil Restrictors, Huh?
- 440 bigger longer head studs?
- 440ex hp?
- Carb Question!
- What do you think?
- saving your oil tank pt2
- dg exhaust
- 250x wiring ?
- why???? it wont line up!!!!!!!!!!!!!!
- stock piolet jet
- 250x with 400 carb problem
- 400ex Chain and Sprockets
- she's aliiiive...
- How much are stock 350x valve springs worth
- park brake
- Best All Around Set Up?
- would a leakin valve head gasket cause ...
- Hrc Cam-xr400 Cam
- Rebuild done, don't have the guts to fire it up
- Engine rebuilt time... Info needed.
- 300ex stuttering problem
- About how much would cost me to get it rebuilt?
- A/F mixture problems
- Clutch replacement.......
- do jets help alot on top end
- Ct full system or spakrs X-6 or HMF?
- has anyone tried this??
- clutch lifter?
- 416ex OR 440ex?????
- Hey Colby
- will pro circuit header work with white bros silencer for a 300ex
- what mod next?
- Loose front sprocket PLEASE HELP!!
- XR400 clutch cover on an EX
- will i need a heavy duty rod
- 400ex carb jetting
- Broken Rods???
- Tapered Axle Bearings for 400ex?
- big bore kit
- quiet exhaust syatem?
- another 300ex exhaust ???
- Edelbrock with stock motor??
- Fcr Install??
- wheelies for too long
- Rebuild..please help
- Bearing Carrier help
- Retightening after rebuild?
- Headers Clean
- couple questions on an engine
- 300 to 400 front end conversion ????
- rev limiter kicks on
- hey colby , please answer this .
- Yoshimura RS3 vs. Big Gun
- Where can I find these?
- How egzacly does .10, .20, .30,....... work?
- fcr help
- 350x faster than 400ex??
- oil leaks
- dyno charts
- Has anyone had any experiances with CITGO oils?
- 400ex winter jetting
- gas leak
- Dirtbike engine in quad frame.. Vibration?
- e series for my 250ex
- Silencer Core
- does anyone make shrouds for a 300ex?
- 42 pilot HELP
- your thoughts on FST 500ex?
- trx 90 pipe kits
- best pv for the money
- high flow carb problems
- What would you guys do?
- K&N air filter
- you were way off Colby
- stator output 400ex
- another request for expert jetting question
- Oil leak
- Strokin a 440?
- FMF Powerbomb Header??
- Sparks Timing Advance Key
- can colby get stock 39fcr needles ?
- gearing
- need help on a question on the clutch
- carb selection
- what kind of motor for 250r should i do?
- Got a question.
- Oil??
- 300ex sprockets
- What pipe is best for the money for 400ex
- will a 400ex a/m axle fit on my 300ex?
- hmf pipe does not fit
- shifting and clutching question
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