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- Carb Screws (400Ex)
- Help with next mod??
- 16T Front Sprocket?
- Key or no key that is the question
- 1986 200x diagram
- Broken Piston
- battery issue
- full system or what?
- aftermarket cams
- Outerwear To Replace Airbox Lid ???
- Big Bore
- Pics of my new HMF Ballance full system and MSD ignition (56K Beware)
- Electric shortage
- outerwears cover for cfm airbox?
- LRD full system buring my clutch cable!!!
- smoking EX
- My quad is dead, I'm taking suggestions!
- average miles per year
- jetting with out taking off the gas tank
- cam specs for hotcams and HRC cam
- could somone get me close with a jet for start up
- Elderbrock Carb
- Has anyone bought oil filters off ebay??? What do you use?
- Anyone removed there auto decompresion lobe from the cam???
- More Power Please
- need info about rejetting a blaster with a fmf
- How can I modify the CDI on my 300EX?
- Anyone ever heard of a motor doing this?
- K&N vs. Uni
- FCR or edelbrock?
- spark arrestor
- hole in pipe
- Constantly Blowing fuses
- Keihn jets vs. Dyno jets... ?
- Stock Muffler Finish
- More Torque?
- stock carb size?
- V-Force Kill Switch Help
- In the Mile High City Should I do the 440 kit
- water hole 400 won't start
- 440?
- uni all the way
- Heat Shield Wrap for the Header
- oversized oil cooler
- Wanted TRX exhaust Look
- lectron,stock,keihn,sell all get new
- crf 450 in a 250r frame?
- Full service on 400EX
- Engine Work!!!!!!!
- Sprocket Sizing Help
- Taking top end off engine
- just got threw installing my hotcamstage 2
- engine ???? need advice
- 350x with 250x carb jetting
- how hard is it to put a cam in?
- carb
- Broke a cylinder head cover bolt.
- vortex CDI?...good or bad?
- cyl. sleeve
- Dyno Jets for HMF full system(400ex)Virginia...?
- Hmf VS. E-Series
- 39 FCR question, please help
- 300ex Will Not Start!!!!!!!!
- Wheelie factor, seat of pants factor
- 350x cdi box
- bad to not use clutch on 300ex?
- what are good cams?
- jetting procircuit 400ex
- 416ex Review
- got my curtis sparks
- Have 416 Kit! Now which Edelbrock??
- Engine knock??
- k&n, UNI- Jetting
- Can someone give me specs.....
- Is it necessary to check the torque’s after a top end engine rebuild?
- WB E-Series quality issues?
- Removed choke?
- What are the sproket sizes on 400ex
- 400ex race
- does pro circuit make?
- HMF Exhaust Question?????
- who running a edelbrock carb on there 300
- 87 250x / durablue problems
- Does anybody take the time to check piston to valve clearance?
- Jetting 300ex
- Please Read who know alot about the performance of a 400EX
- 400ex 14 Tooth Sprocket
- dg pipe
- Trx 450r
- What 400ex Kit 440-426-416
- need help today!!!!!!
- Wont start or turn over
- any do the fcr accel. pump mod?
- should i just wait till it is completly dry
- lets have another fcr jetting thread!!!
- rev limiter
- help me my 400ex wont run
- Dyno Results
- best clutch
- I Need Help!!!!
- oil pump
- 400ex stage 2 hotcam and a stock piston
- Hmf?
- chain,sproket,and gearing help/sugestions
- Need fast help! rear brakes!
- Do I need to buy the same?
- 400ex, 250r , and crf 450 all in 1 ?
- **400ex Smokin**
- i hate my 400
- home made valve ajusting tool
- Easier Starting
- Black smoke coming out of new pipe...jetting ?
- dunes and mx racing
- Clutch Pull ???????
- 400 EX Meltdown
- Yoshimura comp full system or big gun full system?
- Fst 330 Rings
- Need help! Oil pump!
- Which Headpipe
- 400ex rebuild costs and suggestions
- engine builders reccomendations please
- oil gauge
- cheapest big bore kit(300ex)
- clutch, whats up with it???
- How do u like ur HMF's?
- Anyone with a 16t front sprocket?
- Engine rebuild?
- wiring?
- time'n question???
- Jetted Right??
- knock at idle
- need help...i need to split my bottom end!!!!
- Cam Cover Thickness?
- Anyone with an aluminum airbox - read this!
- Question about running no end cap??
- GT Thunder 400EX CDI
- Whats your opinion......
- silver tiny particles coming out when i changed the oil
- Anyone tried iCATusa
- running problems 300ex
- carb vs cam and piston??
- TC pipe ???
- What Up With GT Thunder??
- Yo Rico
- 300ex chain loose
- cheapest pipe??
- Water in motor??
- Qusetion About White Brothers
- got smoked by a stock 400ex!!!
- Stock chain links
- i need some more help
- would this be hard?
- best size big bore kit (300ex)
- Air filter and carb brackets.
- WB Quiet Core
- 2000 Blaster Headlight Removal???
- I need to hear your engine run 400ex owners
- "O" I'm sooooo excited
- I need help
- starting problems
- what jet for a 406ex
- JE, Weisco, or Ross Piston??? And A pic of my bike..
- I need MORE BANG
- cobra exhaust
- pipe
- carb jetting help
- 416 popping no start?!?!?!
- question about exhaust
- Looking for mx setup
- looney tuned exhaust
- Hotcams stage 1 or 2
- Anyone have any problems w/ Sparks pipes??
- Quick ? Please help!
- FMF Megamax broke
- Will a crf450 motor fit in a 400ex frame??
- Which cam with setup?
- Quiet core
- ? about WB e-series pipe
- Predator Stock Exhaust
- ex talk
- Can u beat it ?
- Groupbuy interest in Ross pistons
- weird clicking noise 300ex
- pro-fab
- does LRD still make engine kits for teh 300ex?
- pinging
- Throttle Cuts Out!?
- If i am gonna put a 400ex carb on my 250x........
- HMF Pipe??????
- Starting problems
- Need Help Installing A Kill Switch On My 450r
- Auto decompression thingy
- the Zen of exhaust swapping....
- Too Low of Gearing?
- New Big Gun Rectifier
- ltz400 engine noise
- Please Hellp Me Fast!!!
- 416 reliability??
- what year raptor's need tranny ugrade.
- Tire size and sproket size
- Header meeting Slip on is lose
- letsClear this up!
- full system or not?
- Another Jetting Problem
- leaded gas?
- 250r more power
- 450r Big Bore
- Shorty for a Predator?
- Sorry but an HMF exhaust question!
- 300ex exhaust on 250x?
- Case saver.
- Stock bore piston
- new cylinder questions
- How many thousandths over is a 416?
- 400EX exhaust fit 300EX?
- throttle cuts out??
- 250r cool head/jetting problem
- 300ex idling fast
- wondering about HMF
- blue pipes
- this is pissing me off
- Boring specs?
- what do you guys think of a RCM pipe for a warrior?
- 01 400ex starting problem
- sparks 8-plate clutch
- what shall the next mod be???
- Which oversized oil tanks work with the PEP steering stab?
- ????????????
- What bore is 89MM
- stupid question. quiet exaust
- insane ticking/ tapping/clanging
- Hotcams Stage 1
- quite core for x-6
- Muffler repacking?
- 416 w/ FCR 39mm carb - what main jet
- white bros e-series
- 250r vs 400ex racing
- taking rockers offof valve cover
- Where is this noise coming from?
- Clutch is slipping
- oil capacity
- Confetti vs. sheet/woven packing? FMF
- Blaster Mods??
- soory BUT can someone help us AGAIN!!!
- last quick question
- jetting problems
- full system or not
- semi auto clutch ajustment?
- Top end cooler?
- 250 Ex Cdi
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