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- 400ex carb on 300ex jetting
- 400ex or 250R
- stupid jetting question
- Where to get FCR39?
- Which set-up to use-400ex
- Which Pipe???
- Sprocket Question
- 14 tooth???
- mods!
- break up
- pipes
- plugs
- tips
- Chain Tensioner Problems...HELP!
- Few questions about...
- New Mods Are A Success!!!!!!
- Yoshi end caps???
- new pipe, change what jets?
- throttle cable
- 465 engine on Blaster
- Air box mod
- spark arrestor out?
- Hot Rod Trx 90?
- jets? where to start??
- acceleration
- 400ex bogging
- Cylinder Removal
- megamax??
- 400ex Problems need help
- Modify factory Exhaust??
- question on race gas
- Decking
- super trapp
- FCR 39mm
- Service Honda shipping
- fcr39mm or41mm
- A "good" jetting question
- Best Pipe for a 300EX?
- BBR 400ex pipe
- Anyone using an FCR on alcohol
- I did it, Thanks Everyone
- My E-series broke!!
- Jetting again
- Gas
- Oil Cooler for 300ex
- My 416 review........:(
- Terry Marcum
- TC Pipes
- Hey what do you all recommend for the jet kits
- Oil cooler for 300ex please help .
- High Compression Piston?
- Dilema
- Quad Mod
- Rev Box
- Shorten exhaust
- Must do upgrades?
- sproket and mph
- Parking brake bolck off
- Lazer lights
- Where in the world can I find A OUTERWEAR Airbox cover???????
- 250x Wiseco PIston Question?
- fmf power bomb
- rotating motor counter clock wise
- Gasket Removal help
- Sparks Pipes
- What octain?
- would it be a good idea to rejet if i remove the airbox lid...
- FCR 39mm air screw??
- Turbo Blue 116 leaded
- Twist Grip throttle...
- 4punks show us your airbox mod...
- after market pipe for honda 300 4x4
- Edelbrock Quicksilver Carb
- Advance key
- Just bought a used 300EX, gotta few ???
- any good machine shops in Dallas??
- Stock main jet to lean?????
- Fatboy 4 Exhaust
- 400ex and Warrior jetting
- k&n power kit
- 12 tooth!!
- gas question??
- Xr400 Cam
- How high can the compression go?
- 250x big bore kits?
- K&N Jet Kit...
- K&N jetting
- 440 exhaust
- overbore question
- Amp link?
- oil in air box 400ex
- xr cam install
- Jetting questions
- where can i get a good aftermarket steering stem
- air box moisture!
- headlights
- Conversion??
- vibration? how much should there be?
- ttr exhaust?
- POS 300ex problems
- Must Have-Oil Temp Guage!!
- Burnin' oil
- tc racing
- db levels
- filter cleaning
- lrd pipe on a 440?
- r4 full system
- wrong jets?
- K&N filters
- cam size with a decked cylinder
- Stock header mod?
- What's this thingy called?
- Turbo charged 400ex
- Another Kill Switch Q
- Starting 300ex in any gear?
- Does a 250x have a rev. limiter?
- Pipes
- 16 tooth sprocket
- what size is stock 400ex carburetor
- Kick start
- 420,425?
- Best Boost for $300????
- Herrmann Racing Bearing Carrier???
- Best Sounding Exaust
- carb flooding
- 250r for a steal
- OMF Air scoops??????????
- 400ex carb on 300ex need help .
- 13tooth sproket on a 400ex
- Good/sound advice needed....
- 250x to a 400ex
- Silencer header gasket
- 440 & FCR41 jetting
- Ignition Advance--anybody have one?
- What is with the XR400 cam?
- Quick Piston and carb questions/400EX
- exhaust sound is a problem
- New pipe?
- cam for a 250x?
- Gearing Change?
- my starter is making a weird noise
- Just got supertrapp ids 2 pipe. Its black kinda looks like cobra but man oh man the..
- Fast 250x?
- Remove Choke And Adj Needle
- powercore IV
- MX racing
- Marcums 416 kit
- Reving Weird
- Oil Line Guard
- yoshi or wb
- warranty or engine mods?
- cam bearing ??
- overheating??
- shipping motor
- How much does grinding the weld on the 400's header help it out?????
- Jetting...
- Tank Removal
- rev limiter questions...
- baffle problems
- ct racing
- Product Reviews!!!!
- please disregard all 123a says!!!
- Ignore 123a and don't respond to him
- is anyone having problems with the forum
- 300ex crankcase problem
- My 400ex Won't Start
- Ignore Him He Will Get Bored With His Insults And Leave If You Can Call Them Insults
- Jetting Problem
- this is getting dumb
- smoke house blues
- Help with next power-up
- FST oil cooler...
- Is this a good or bad idea???
- SWEET is that 123a guy gone?
- Will you all help me out with some questions??????
- How bad would it be if i took the compression release off my xr 400 cam?
- Correct Timing
- Jetting/battery Question
- Fuses/lights???
- Was running 150 main and now????
- 2002 400ex budget
- About that twisting throttle...
- FMF Powercore lV-2 Quiet
- any one help me?? (dirt bike)
- 300ex Oil Cooler???
- CMP rack
- Big Gun Quiet
- Flooding Carb In Low RPM?!?!?!
- Sprocket Question???
- moly lube
- Best Pipe for 300ex
- want some more top speed
- New Big Gun Pipe????
- Engine Rebuild
- starting
- Battery Battery!!!!
- Battery Battery!!!!
- Jetting 400 EX
- 416 pipe question
- best power/speed gains
- Maier Pastic
- baffle again
- FMF titanium-4
- 400ex carb on 300ex
- Oh no, problem with K&N precharge..............
- air scoops
- Motor Question
- 200s will soon live again!!!
- 1st to 2nd problem
- 400EX breaking up at high RPM
- Cylinder head cover bolts???!
- Lrd?? 440 Kit
- Rancher rev limiter
- 300EX - need more power
- Powroll header + T-4 exhaust for 300ex?
- Going bigger!
- FMFQ or PC4-2 w/Quiet Core insert?
- case saver??
- Web Cams URL
- how to get above the 40hp mark on pump gas?
- 250r engine mods
- Spocket sizes?
- timing question
- gearcase lube
- gearcase lube
- what carb?
- 5,4,3,2nd gear downshift smooth..1st not!
- Best look for a 300ex
- Today was not my day,,, I will never mess with another freakin Jet kit again.....
- Custom Quads!!!!!!!
- What Lube?????
- 400ex manual
- Oil in crankcase breather 400ex
- Safety wiring grips
- Best pipe for 300ex!!
- when mounting a kill switch?
- 3 Angle valve job
- engine swap
- Stock 400xr piston in a 400ex
- Questioning Powroll's quality
- 2002 vs 99-01 steering stem
- what do you guys think
- MSD ignition
- Clutch installation help plz.
- sparks carb boring??
- Need Help Asap!?!?!?!
- how to adjust the timing on a 250ex
- stripped case?!
- Air leaking around the top of my engine???
- Removing cam shaft cap and right side crankcase on 300ex
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