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- Pro Circuit T-4 Silencer 4 250EX? (8 replies)
- just a quick question, 400ex carb (5 replies)
- 1991 honda 250x (1 replies)
- all terrain magazine (7 replies)
- engine mod ? for you guys who've been working on these engines for a while (5 replies)
- please help really quick:) (5 replies)
- Supertrapp IDS2 (2 replies)
- lrd pipe (2 replies)
- port-n-polish? (32 replies)
- top end tear down (10 replies)
- wheres the pilot jet at?? (10 replies)
- pilot screw adjustment (2 replies)
- xr650r to 400ex (19 replies)
- Honda 400ex Battery (53 replies)
- ? for T-4 owners for a 300 (1 replies)
- The Jetter The Better (3 replies)
- 250r (5 replies)
- Pics of my top end (27 replies)
- emgo sucks (7 replies)
- 250r Pipe (5 replies)
- Reeds? (3 replies)
- Trinity Stage IV Racing Exhaust (27 replies)
- how many cc s (7 replies)
- need oil cooler insrtuctions (13 replies)
- need oil cooler instructions (0 replies)
- ok......simple Q so please respond (15 replies)
- what jet (1 replies)
- XR perch (3 replies)
- how do i do this?:confused: (3 replies)
- Best Power Adder?? (3 replies)
- need input (2 replies)
- 250r bored .080 over? (4 replies)
- 440 Kit or Cam & Piston (11 replies)
- Got my powerbong header today!!! (22 replies)
- ZAnyone see the KAW KFX700 V-Force in Dirt Wheels? (3 replies)
- 400ex clutch perch which one (2 replies)
- what should i use to grind the welds on the exhaust (3 replies)
- Air/fuel Mixture ? 39fcr (0 replies)
- 300ex (1 replies)
- 400ex: how to make the clutch handle a 440 kit (21 replies)
- What clutch and perch should i get after removing the parking break??? (21 replies)
- 400ex: Can not get the jug off ... (7 replies)
- Stroker 440 - Any opinions or reviews? (8 replies)
- to lean or to rich??? (2 replies)
- a little help! (1 replies)
- Help! (3 replies)
- stroker (57 replies)
- valve clearence (2 replies)
- what size socket for axle nut? (2 replies)
- Best Drop in for 416? (8 replies)
- Which drop in cam for a 416 kit? (0 replies)
- Compression Ratio Theory (9 replies)
- extremeracer167 airscoops (0 replies)
- case saver to fit 16t sprocket??? (9 replies)
- 416 vs. 426 (15 replies)
- Will a FMF header fit a Pro Circuit T4?? (5 replies)
- 3RD Gear bad: part 2 (10 replies)
- Strok'n out a 440Kit (15 replies)
- woods race (10 replies)
- A stupid question, but i need an answer (2 replies)
- I decided (13 replies)
- Can I Use A Wb Headpipe For A Slip On??? (7 replies)
- brokeitin3 let me see your 250ex pictures. ( or ne one with a nice 250ex). (2 replies)
- sparks x-4 x-6 (4 replies)
- Will a procircut PC headpipe fit a T-4 slip-on? (6 replies)
- Alcohol in my crf? (19 replies)
- jet coating (10 replies)
- Compression increase from no base, and xr head gasket (1 replies)
- 400ex: Stage 2 hot cam with stock piston ?? (4 replies)
- Review: MotoJoe bolt on kit with WB promeg for 400ex (0 replies)
- New T-4 Quiet Core Almost ready!!!! (10 replies)
- 300ex questions (7 replies)
- 250x fuel system (9 replies)
- Has anyone got this? If so how well does it work? (21 replies)
- does anyone really know about leaded fuel and valves? (13 replies)
- How good is the Powerbong headder?? (24 replies)
- Missing one tooth. (9 replies)
- Found my next motor (5 replies)
- Flashing spark plug caps (0 replies)
- 416 w/hotcam installed : update (0 replies)
- water cooling a quad, maybe. +more (9 replies)
- lighting coil (0 replies)
- How much oil do you use? (8 replies)
- 250X Jetting Help (0 replies)
- 400ex question (2 replies)
- 400'shard to start in cold weather (11 replies)
- t4 (9 replies)
- cooling idea- would it work? (10 replies)
- need power advice (2 replies)
- Piston and cam??? (2 replies)
- A question that I would like answered by a few. (1 replies)
- Fmf Pipe ??? (2 replies)
- ?engine kits? (2 replies)
- gas pouring out of bottom of carb??? (20 replies)
- cooling fins (9 replies)
- Clutch Help (11 replies)
- jetting with this 440 again... hmmm (2 replies)
- White bros E-series? (9 replies)
- Cold weather... (1 replies)
- Web Cams???? (1 replies)
- 39 Fcr (4 replies)
- Sparks X-6, Sparks Cam, Je Pistion and FCR39 (0 replies)
- Question on RAD Valve Reeds (1 replies)
- check out these duals!!! (10 replies)
- 300ex engine mods (47 replies)
- who is runnin twist throttle on their FCR please read (1 replies)
- Gas leaking from 400ex carb while riding (3 replies)
- sprocket ? (5 replies)
- spark plug (2 replies)
- larger intake = larger jet? (0 replies)
- fcr jetting (3 replies)
- does anyone know (1 replies)
- 300Ex/400Ex vs. Dirtbikes (4 replies)
- Lrd 426?? (18 replies)
- Heres one for ya!! (8 replies)
- 5300 ft alt jetting (3 replies)
- Hot Cams Help!!! (8 replies)
- pipe ideas (30 replies)
- Color of a plug (7 replies)
- NGK part numbers DR8ES vs DR8ES-L (5 replies)
- Gearing for Mx? (7 replies)
- t4 pipe (3 replies)
- where to buy cables for FCR carbs? (5 replies)
- piston seized (25 replies)
- Header pipe red hot? (5 replies)
- jetting for 416/stage 2 (2 replies)
- Im upgrading to a kickstart =) (1 replies)
- FDO 473 Cost (4 replies)
- 250R jetting...ESR TRX6 pipe and 38mm PWK (6 replies)
- Got a quick question on jetting? (9 replies)
- Air Scoops (6 replies)
- Kick start on the 300ex? Help me out (12 replies)
- Wheres the best place to buy a hotcam stage 2. (7 replies)
- were is the e-clip????????? (0 replies)
- Fuel types? (2 replies)
- Question about my air box and The K&N filter (2 replies)
- Sparks Vs. Tc (18 replies)
- What jets to use with this setup? (6 replies)
- really fed up w/ jetting... (13 replies)
- T4 or R4 (7 replies)
- Tach and Speedo (3 replies)
- big gun jetting (2 replies)
- Hi Compression Question! (18 replies)
- Titanium Valve Springs question (9 replies)
- how are you breakin in your stage 2 cam and high comp piston (5 replies)
- I dun f###ed up! (2 replies)
- LTZ440 in DirtWheels (40 replies)
- 750x in 300ex? (1 replies)
- 440 ex Dynos????? (3 replies)
- what clutch perch (6 replies)
- FCR40 for $370 (2 replies)
- R4 question (10 replies)
- What Cam (14 replies)
- Just put my Yoshi on 300! (4 replies)
- Thanks every body (1 replies)
- 300ex,scrambler,warrior who would win (17 replies)
- xr400 cam (1 replies)
- carb hp (3 replies)
- Sprokets? (4 replies)
- 438?? (29 replies)
- Valve lash on hotcam stage 2?? (0 replies)
- she sputters (7 replies)
- dmc alien or e-series (6 replies)
- New 300ex idle questions (1 replies)
- 2-stroke mixture (13 replies)
- Is there any known problems with the... (4 replies)
- Problems!!!!!!!HELP (5 replies)
- Im building a 416, and i have ???'s (9 replies)
- can you use the xr400 right case cover on 400ex? (3 replies)
- Clutch problem!!!!!! (3 replies)
- ?????????????????? (3 replies)
- Air Filter and main Jet (5 replies)
- Power Pro exhaust (12 replies)
- Won't Start In Gear? (1 replies)
- Grinding the head pipe (9 replies)
- WB cam for 300 (4 replies)
- Dial-A-Jet (2 replies)
- Ac Racing Atv Stand(specs) (0 replies)
- Mikuni/300EX jetting - almost got it! (5 replies)
- front sprocket size? (3 replies)
- Whow has removed the choke? (27 replies)
- Oversized valves ? (12 replies)
- What Kit is the best (2 replies)
- thinkin about gettin 300ex fullbore plastics (8 replies)
- Big Problem (63 replies)
- 39fcr (4 replies)
- 416 is Done, Thanks everybody (8 replies)
- It has Been Asked..... Haven't been Happy with the Answers. (21 replies)
- xr 400 cam (1 replies)
- Aftermarket heat shield (5 replies)
- 416-425-440??? (11 replies)
- What gearing do you recommend at the Dunes? (1 replies)
- Alky on the 400ex??? (8 replies)
- FCR ?s (4 replies)
- Bearings (3 replies)
- Please everyone read and reply. (5 replies)
- X-pump (0 replies)
- best pipe for a 250x? whats your opinion? (1 replies)
- 39fcr (0 replies)
- White Brother E Series Pipe Question (3 replies)
- White Brother Pipe Question (0 replies)
- 300ex beat a 400ex????? (27 replies)
- FMF powercore pipe (2 replies)
- 400ex plastics on a 300ex little info (3 replies)
- Sprocket Questions (2 replies)
- white brothers cdi box?? (2 replies)
- White Brothers Pipe Question Please (5 replies)
- stock 400 (3 replies)
- Sprocket Q (2 replies)
- A little rich maybe? (3 replies)
- Chain Sizing (3 replies)
- Where to get a magura? (4 replies)
- Tc Slip On With Mx Grind Cam? (20 replies)
- when is it tune up time? (5 replies)
- air boot problems (2 replies)
- Ann E 1 have a temp guage on their 400 (12 replies)
- stage 1 and 2 xrcams, XR cam users need advice (9 replies)
- main jet help!!!! (10 replies)
- got my stuff from marcum? (11 replies)
- spark arrestor in the T-4 (3 replies)
- A question about Sparks adv. key (9 replies)
- is anyone running stock springs w/stage 2 hotcam? (5 replies)
- Tc Racing Silencer (18 replies)
- Review of 14 tooth VS 15 tooth (11 replies)
- What does a plug like this tell you? (18 replies)
- Hooking up Kill switch (5 replies)
- How good is PRO FAB ATV. (10 replies)
- Gas pouring outta the bottom of carb (7 replies)
- which jets to use with this setup? (12 replies)
- were can you get..... (3 replies)
- Stock Settings?39fcr (0 replies)
- Air Fuel Mixture??? (2 replies)
- which motor (16 replies)
- Fine Tuning 39fcr Carb??? (1 replies)
- check out "the bomb" (17 replies)
- 400 vs 440 does size matter? pics (4 replies)
- 300ex Cam/piston (1 replies)
- ponies (8 replies)
- 400ex Needle Clip Position (5 replies)
- How to time a 400 (9 replies)
- Edelbrock carb. or Kehin carb????? (11 replies)
- How long should this take??? (5 replies)
- Need Help PLEASE-Jetting this 440EX! (9 replies)
- 11.1 Piston or CDI box??? (8 replies)
- 440 ex (9 replies)
- still effective? (3 replies)
- Need to find a good cam any ideas? (11 replies)
- Hot Cams Stage 2 Help (9 replies)
- is it a good mod? (7 replies)
- How do you loosen the timing chain. (8 replies)
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