- Running alcohol /methanol any experiance?
- timing chain
- im rebuilding my 300ex tomarow..Help needed
- 440 carb on 400 or 416
- Oversized valves?
- how to jet for timing advance?
- Timing chain
- ha another jetting question
- 400EX ignition
- This can't be right, What am I missing?
- starter under 10 pounds for university
- Home made 400ex engine stand
- Wierd 400ex??
- pics of 300EX w/ wb-HMF combo??
- thank guys
- 400ex and hot rod install need advice
- 1007 wolverine
- is the white bros. E2 qiet with te baffel
- Choke question
- Magura hydro clutch...
- major ticking valves!
- Need opinions regarding AIR Kit
- 350x air tintake tube on 300ex
- New clutch cable with HMF??
- Well....spark plug issues
- pro design pro flow
- kill switch...
- connecting kill switch
- is kicking worth it
- Need an exhaust; House crf450r
- Got my new R-4!!
- Idle Problems
- 440 kit question
- please help
- Raptors Are Slow Garbage
- max rpm
- Which is more powerful?
- gas tanks
- Decision between YZF450 & 450R
- full exhaust
- To Stroke Or Not To Stroke
- Motor rebulid
- Seizure
- CRF 250---300EX conversions
- chain tensioner & Chain
- Connecting Rod Issues
- 460 Stroker final report
- aluminum airbox
- Pulse Charger Review
- 12:1 + on 300ex
- engine squeal at idle
- clutch problem
- 350X and 300ex question
- honda 350 fourtrax 1993
- 150m, 40p, slip on w/ lid , this ok?
- gas coming coming from carb overflow...
- vent hose
- noise
- Tach wanted for my 400ex
- UM radiator grill and scoops........SUCK
- Gears slipping...
- head gasket
- Raptor big bore kit
- Hot cam help
- new 440 not running right
- 440 11:1...... Now what???
- jeting????
- chain adjustment
- No Silencer?
- Spring and Plunger under cam
- Blaster, No Start Condition
- big bore kit
- tightening chain help!!
- fcr41 help
- edelbrock 450r carb
- rearend problems still
- friend needs some help with his honda
- Help! Did I blow up my engine?
- JE or Wiscoe?
- Hotcams issues resolved?
- 05 Z400 cam
- 440ex top speed
- Honda Pilot
- is a 400ex engine rebuild that hard???
- bigger bolts on a 440
- Shorter kickstart for a CRF?????
- exaust systems for 400ex..
- what jet sizes?
- Edelbrock Carb
- ???????
- 440 and heat
- Help Quick!!
- 400ex intake boot on 300ex
- Hmf
- E2
- 416 gearing
- 400ex Matching Exhaust Port to Header?
- clutch question
- what coolant should i use?
- 416ex problem!
- nmotion
- exhaust horespower
- chains
- trouble, please help
- Moving the power band higher...
- oil pump
- 400EX Backfireing
- 450r carb on 400ex
- yamaha raptor radiator smoking
- 400 ex reverse
- Port and Polish
- stock 400ex pipe
- high comp pistons
- is the battery shot?
- 400Ex clutch EXPLODED.........
- Banshee problem
- rpm limit
- Twist throttle on edlebrock carb
- Gas poring from over flow tube!
- 400ex trouble
- bore kits
- Valve adjustment
- 250x valves
- Stage 1 Hot Cam
- pipes??
- Dyna FS or Ricks Hot Shot
- Oil in flywheel cover
- battery issue
- front sprocket
- Which clutch set-up should I get???
- C. Sparks timing key
- How Does the 450R compare to the 400EX ????
- Race Gas
- 350x Pipes
- head material
- Jetting
- New TC Exhaust !!!!
- 300 ex rockers
- Question about Alba LTZ 470 Stroker kit
- WB R4 exhaust any good?
- 400ex Heavy Duty Head Studs!
- Piston and Cam upgrade
- What pipe on built 300EX??
- Heavy Duty head studs or not......
- eddlebrock quick silver carbs..
- propper jetting..
- converting to twist throttle..
- K&N Powerlid
- Replacing timing chain?
- 400EX Big Gun "Race" Series End Cap
- Carb trouble???
- CDI or Sparks key
- FMF pipe
- head gasket
- sprocket
- 250R Carb Help!
- O Ring between sleeve and case...
- What to replace on top end rebuild?
- old time supertrapp
- slip on or header & silencer
- valve adjustment.
- airbox lid modifications????
- Best carb for my set-up?
- Best pump gas piston/cam setup question
- timing chain
- durablue 250r axle on 400ex
- clutch basket
- 450r axle ?
- Best way to get used to runnin a twist?
- 300ex pulled sleeve down into the engine!
- sparks pipe problem
- homemade outerwear?
- 350x motor
- jetting 500 stroker
- Gear Problem
- Porting stock ex header??
- air scoops
- reassembly problem
- 400ex axle replacement problem
- 350x motor vs 330ex
- revboxes. any good?
- Blaster Mods
- YZ400 motor mounts
- I have a 300ex Outerwears pre-filter for cheap on Ebay
- FMF sst for blaster
- Where can i get the cheapest 330-350 kit?
- Question about changing exhaust and rejetting
- Clutch problem 300 Ex
- 300ex jetting
- best 400ex clutch kit
- What Carb for 426 kit
- How much for 02 CRF 450 motor?
- Parts List
- high comp piston
- spark plugs
- curtis sparks x4
- lte exhaust
- Big Bore Kit?
- Hard to shift; shift fork?
- hmf header and other slip on??
- My piston #2
- exhaust horespower
- jetted stock carb, Or Edelbrock for 440ex
- 300ex piston
- HMF Pipe Pictures
- pipe ??????
- tc exhaust with crf450
- Help!
- Big-bore head port/polish
- 400ex Carb on 300ex
- Best way to get cylinder off?
- Clutch lifter arm not moving correctly
- 300ex smokin like a freight train
- White Brothers Header
- 300ex help
- 250r engine in a 400ex frame
- g force axle
- pro x rod connecting rod
- hmf full
- Whats next on my 400ex?
- new engine wont start? help!!
- 400ex leaking oil
- PulseCharger gets tested... Dyno included
- raptor pipe
- stock bore JE
- 446cc Big bore??
- overheating
- Grease fitting, rear axle of a 400ex??
- Best axel?!
- R4 Silencer
- What should I expect...
- PROJECT 400ex cross country racer! Complete
- Should I do it???
- what do you guys think about shortening pipes
- pilot jet
- fmf power bomb header and other silecener
- how do i tighten my chain on my 400ex?
- dynojet with stock needle
- winderosa?
- Stock Exhaust
- 416ex
- 440 startin help
- spark plug?
- Clutch Lifter Pin?
- 400ex timing .
- Need some help w/ a hesitation problem
- sprockets 400ex
- Hot cam valve adjustment different?
- pro circuit????
- 400ex trinity pipe