ATV Riders Forums - Honda, Yamaha, Suzuki, Kawasaki, Polaris, CanAm, Arctic Cat, Kymco ATVsPages:1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 - 400ex Big Gun
- XR400 Cam in 400EX
- jet4power
- hmf,fmf,white brothers pipes
- 300ex chain adjuster
- where to buy...valve seals and headbolts
- who should i let biuld my engine??
- yoshimura exhaust
- yoshimuras website
- Whats wrong w/ this picture
- Filtered Airbox Vents
- Timing Chain Tensioner going bad......
- 400ex exhaust help
- New to the World of Carbs
- quiet, yet loud exhaust
- 400ex carb on a 300 ex
- carb has my confused
- how fast
- ATV DYNO - Is there such a machine?
- Mickey Dunlap ??????
- 400 ex 416 kit
- Damnnnn!!!
- Spark Plug Heat Range
- Sleeve or just bore for 425
- help
- CRF 450 overheating...
- Another Durablue eats it
- Help Please!
- Stretched Cam Chain?
- valve timing question?
- dg pipe
- case saver
- What is a Jug?
- Does a cam effect compression
- question about a 250x
- leaking valves?
- do you have to rejt when u cu ur pipe back
- electrical problem
- 400ex engine swap??????
- cobra pipe for 300ex?
- Quick question
- Ahhhhhhh!
- best place for a big bore kit
- running rich
- Dealer Piston Service
- cam?
- Clutch Kit ?????????
- Hetrick Racing Exhaust
- another jetting ?
- Damaged Cylinder
- removing a clutch
- UNI Air Filter?
- Is there such a thing as a keihin 150?
- ring or vavle seals
- gasket sets?
- 300ex chains
- Best Engine Builder
- stock bore high compression
- cam??
- 300ex throttle limiter
- Carb only opens half way
- Header leak..
- i don understand
- big bore kits for 1986 lt230s
- jetting for my 400ex?
- 300 jettin
- Exhaust gasket?
- Question...
- stock crf head pipe????
- if the 400 was.....
- FMF Q Exaust
- what is a better pipe?
- 350X Conversion Questions
- Where?
- started sputtering
- Carb spacers?
- power-now on FCR?
- Main jet or Jet kit?
- DMC vs. SPARX vs. HMF
- idle adjustment
- 400ex engine mods
- Help?? Carburator and Jets
- some questions on 400ex mods
- A little help...
- a little smoke
- drag pipes on a 4 stroke???
- exaust suggestions
- Bogging in and out after runnin for a lil bit
- post some pics of thos hot bikes
- head gasket AGAIN (im about to kick this thing...)
- little starting problem
- need some opinions
- Oil cooled 300ex
- 41mm FCR to big for modified 406?
- 10.5:1 compared to 11:1 piston
- Wiring
- whats next
- 450r exhaust on 250x
- exhaust
- Heat
- Which is stronger?
- whats wrong
- 400ex port
- carb got my confused
- What gearing for sand/dune/desert trail riding?
- Db level for my t-4 slipon???
- "serious" help needed
- 300ex camshaft
- Front Sprocket
- 16 tooth front sprocket for drag racing
- exhaust too loud
- Top end rebuild questions
- need some help
- chain lube
- k&n filter problems
- 39,40,41 carb size ?
- How to install main jet
- 250X Cam Chain Adjustment
- lte racing
- 87 250x flat throtle response
- thanks guys for the help
- Higher top speed
- 250R axle doesn't fit 400EX
- yoshimura exhaust
- signature
- Clutch still slipping, help!
- 400 help plz
- hot wireing
- How to remove a sheared header stud
- 440 will not hold idle
- 400EX w/ FMF Pipe - Jetting - Any Ideas
- test
- Axle bearings wearing prematurely??
- Aftermarket Oil Cooler - 400ex
- 300ex with dirtbike killswitch?
- 300ex axle
- 313,330,350 kits?
- Jetting, please help!!
- axlenut help
- New Fdo Racing Heavy Duty Head Studs
- 250x grounds
- trinity racing pipe
- please give ur opinion
- ? about numbers on JE piston
- Valve adjustment on 400ex, web cam?
- Shifter Adjustment
- how do you post a pic????????????????
- hetrick 310 kit?
- Stock CDI Boxes
- Hotcam, rockers, etc
- What gearing do you guy run on the 400's for XC?
- fcr or lectron
- yoshi pipe
- Dial-A-Jet Fuel Induction System????
- 250x exhasut?
- 450r fan
- jetting A white bros. E-series....help
- How to's for installing a 416 kit on a 400ex
- Best Carb for Instant Throttle Response?
- I Need Help!!!
- exhuast question
- pics red HMF pipe on 300ex
- Piped 400ex Vs. stock Z
- LRD Exhaust Spark Arrestor?
- XC gearing?
- Head Pipe
- Xr600 Swap To 400ex
- 465 kits?
- 400ex jetting
- best place to buy yoshimura?
- got it
- 300ex-350x conversion...
- 18in
- will the 2003 400EX axle work in a 1987 250X
- big bore kits and oil coolers
- Has anyone bought the Emgo oil filters off ebay???
- What piston kit?
- what performence parts should i buy
- Where to buy dynojet 148?
- clutch and brake problems
- four stroke tech
- my motor is making some crazy ass noises
- 250r powervalve in a 400EX??
- Best xr600 perf. parts???
- what is good gearing for racing tt my tires are 20in????????
- Jetting questions???
- 2005- 400ex?
- what is good gearing for racing
- rev limiter on a stock 400ex?
- Aftermarket CDI/Rev limiter?
- what is a good bore for a 400ex
- Honda Xr250R CDI on 400EX?
- need some help with my 426
- TC 450 kit
- Bike sat for 1 year
- exhaust wont come off!!!!!!
- HMF Slip-On for a 400ex?
- Head Gasket?
- 431 kit
- coating the cylinder after a re-bore.
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