- hydraulic clutch
- 3 vs. 7 ??
- 87 vs 93 octane
- header coatings ??
- carb?
- I Need Help With My R
- Anyone running a #17 needle in their Edelbrock
- 416 and 100LL gas
- advanced keyway
- how much break in?
- Extremely hard to find NEUTRAL!?!?!?
- ..yz250 TRI-Z
- no oil around cam
- Blue smoke on start
- Twin air filters
- choke removed and silemcer cut.
- vroom vroom
- 38mm flatside carb on 400
- choke disassembly
- what size is a 300ex chain?
- bogging problm
- exhaust
- how to 416?
- 400ex carb fit on 350x??
- Is this what you call a "shorty"??
- Head gasket troubles, I THINK...help
- trinity
- Pics of my RPM Axle!!
- 41mm fcr what jets
- Backfire
- K&N Powerlid
- Got some goodies!
- blaster
- to hot
- E-Series Pro-Meg or R-4 Pro-Meg?
- wow
- What to do for more power!!!
- opions on a lrd pipe for 400ex
- few questions. 300 motor.
- Whats involved with running alky?
- 440kit help
- Anyone Use Octane Booster ?
- valves
- New starter button for 400ex?
- axle is loose???
- 300ex question
- 440 question
- Bosch +4 Platinum Spark Plugs Question
- Pic of a cut snorkel request
- all this work and ?
- Sprocket and tire size
- ?'s about engine kit
- should i bore it???
- Adjust my valves?
- Chain adjustment
- 300 bore?
- anyone know whats wrong..?
- Aftermarket Case savers!
- Aftermarket Exhaust Sounds
- fastest 400ex motor
- 400ex won't stay running....help!!!
- wuts up with the link to fibe-industries web site.
- gas just flows out!!!!!!!!!!!!!!!!!!!!!!!!!
- Starting Problems
- Bogging Problem?
- 300EX HP numbers
- Jetting?
- it dies
- What Jet
- Spark Arrestor
- Question for all you 250X/300EX gurus
- jetting question
- what gearing?
- 350X engine 250X carb jet or get a new one
- head porting and fuel consumption???
- Jetting at sea level
- gas problem with 250x
- 300ex (another Jetting ?)
- Anybody with a xr400 cam?
- Motorex. Does anyone use this stuff?
- Type/Size of Spark Plug?
- 400's tired
- 350X Oil Cooler
- mickey dunlap
- 330 250r
- mechanics out there?
- crazy clutch problem
- YZF426 Questions??
- crf electric start
- Sunk the 400... Now what?
- # of For DIrt Only
- Tough Decision
- Outerwear Vs. EHS Lid any less air going in?
- edelbrock throttle problem
- chain keeps getting loose
- power bong
- important!!!! 400ex question
- looking for a starter
- jetting ?s
- Ugly...dont look.
- Please Help If You Can
- torque specs
- Clutch problem solved!!!!
- 416 No Top End!!
- powerbomb + slip on
- horsey's
- Add drain holes to aluminum airbox?
- Flywheel removal
- powervalve??
- What kind of oil?
- Hindle Racing
- white bros exhaust
- Carb Tubes Anyone?
- What is an antifade nut or hub?
- New clutch instalation?
- rev box for 300ex
- exhaust systems
- whats the difference?
- the 440 kit
- How much longer!!!???
- magnetic drain plug??
- New IDS2 today
- engine brackets
- holes in airbox
- My New Scoops
- air box
- bolt question
- 300ex jetting
- Rear Axle Bearings
- Good Exhaust for 250EX? Help!
- Air Filters & Air Box Lids
- hmf slip onn?? questions
- oil pump
- 350x CDI
- Problems
- hmf exhaust
- 440ex cam? gasket problems AGAIN!!!!
- 4-snow and pro wedge tires
- Hotcam stage1 owners
- Vibrations
- how good is this?
- jetting a 300ex with full cobra jet exhaust
- rev limiters
- Got 300 bucks to waste
- 250x hotcam?
- jetting
- Problem with stock rev limiter
- Motor loses power
- Golden West Cycle Stage III ?????
- Best Bottom-end pipe ( I know)
- 11 to 1 wiseco
- water sucks
- 1988 TRX 250 w/ no spark
- Guys with 250X/300ex's but have a 400ex carb i have questions
- '86 250r
- 36t rear sprocket general question.. PLEASE HELP
- 350x vs 250r
- Just wandering...
- Stroker motor
- pro wedge and 4 snow tires
- My YZF400ex coversion custom tank
- rear bearing housing trouble
- Cleaning the chain....
- Need Help About Nerfs
- got the 39 mm carb today will it make.....
- i know this is the wrong place to ask but...
- Sorry
- N E 1 using Sparks ignition advance key ?
- Engine Builders...Engine Builders???
- Edelbrock Quicksilver carb
- enging missing at 1/4 throttle???
- Carb Cleaning
- 300ex jets in a 400ex
- 18 inch tires what gearing?
- Burning oil, what seals do I check?
- smoking
- HMF customer service
- Best Chain?
- Best Chain Lube?
- I Need Help!!!!!!!!
- 14/36 Gearing Combo Question
- Hondsaki or Yamasaki :)
- megacycle...
- need a picture 250x topend
- lrd or sparks
- Brass plate on carb....? aftermarket?
- fcr air screw
- Carb Problem! Please help!
- Whats the actual rev limit on the 400ex?
- i'm confused on this... someone explain
- 416 or stock bore...
- Chain
- Cracked my case, What are my options?
- Z400 motor in a 400EX
- 1/2 a Link in Chain?
- Got my 400ex.......Kill switch (tether doesn't work)
- No powervalves
- valve guide problems
- FDO motors
- Losing power Part 2:getting oil in intake
- Modifying stock silencer?
- Air/fuel screw
- Cams.....
- Stage 1 compared to Stage 2
- Question About Packing in your exhasut?
- Just bought a T4 how should I adjust the air/fuel screw for the 250EX?
- 440 more ooomph wanted
- 400ex front end and axle on a 300ex
- 440 ex kit dyno charts
- post ur tc
- blown gasket
- 250ex clutch.....bad?
- Diffrance Between DOHC and SOHC
- 250r???
- Twist throttle?
- Snorkle Removal
- white bros end cap!?!?
- jetting question for a 39 mm carb and kand n air filter. what size. please!!!!!!!!!
- carb
- 400ex valve wobble spec.
- top dead center
- HMF vs. other pipes
- FST oil cooler for 300
- what are these? pics of them here have to do with jets? can u identify them? please
- main jet/pilot jet size for new 416 motor??
- best exhaust for 400ex
- thumb vs twist??
- clutch help
- torquing bolts down on 400ex
- need help!! 2 stroke fouling plug
- high compression
- 14 tooth compaired to 15 tooth
- jetting ?'s
- 300ex rev limiter
- FST cooler
- Big Gun is here for questions!
- 440 kit or 416 for dune riding?
- 400ex cam bearings, surface they sit on.
- 265 Powervalve motor
- 250x jetting
- Dail-A-Jet
- Weird noise from carb on EX...
- 400ex carb on a 300ex???
- need help with engine work
- 300ex motor mods help
- tires
- whats fatser
- Stock Carb settings
- INFO on taking links of stock chain????
- who'd win?