what would be the best carburetor to buy for a 400ex with the mods listed below? Even personal preferences would be greatly appreciated.
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Member
what would be the best carburetor to buy for a 400ex with the mods listed below? Even personal preferences would be greatly appreciated.
01 yellow 400ex: yosh pipe, k&n filter with pre-charger, air box lid removed, jet kit, hot cams stage 1 cam, port and polished head, wiseco 11.1 piston, WB rev box, ac nerfs, homemade stainless steel air scoops, bandit rear tires, fast trekker fronts, 15tooth front sprocket 39 rear, sparks advanced key, ground out head pipe.
Senior Member
I have no complaints with the FCR 39 You will find allot of people on here run them. With your mods it looks like you are after a low end machine. Stage 1 cam and a 39 rear sprocket.
I felt a better throttle responce and a good pull all the way through the RPM's They are pricey though. 350 +/- used and 425-450 new. If you get a FCR get the adjustable fuel screw it makes it easier to dial her in.
For less coin you may want to get the stock carb bored and worked. 125-175 I here those will also give you a better throttle responce and a better punch through the rpm's over the stock carb. Just depends how much money ya want to spend.
2000 416 ex
HRC Cam, JE 10.8-1, Porting
FCR 39 Carb
CHM Exhaust P-4R
Jet Coated Power Bomb
Pingry Oil Tank, Tiner Scoops
Burgard Stem, Burgard +1 A arms
Works Tripple Rates
Lonestar Axle, Meszmoto Lock Nut
With a Collection of other Mods and Ends
Member
cool, thanx man!
01 yellow 400ex: yosh pipe, k&n filter with pre-charger, air box lid removed, jet kit, hot cams stage 1 cam, port and polished head, wiseco 11.1 piston, WB rev box, ac nerfs, homemade stainless steel air scoops, bandit rear tires, fast trekker fronts, 15tooth front sprocket 39 rear, sparks advanced key, ground out head pipe.
Member
alot of people i know run lectron carbs, and say they really like them. I never really researched particular brands too much. I know edelbrock makes a pumper-style carb, edelbrock is a good name but that really doesnt mean it will run good.
01 yellow 400ex: yosh pipe, k&n filter with pre-charger, air box lid removed, jet kit, hot cams stage 1 cam, port and polished head, wiseco 11.1 piston, WB rev box, ac nerfs, homemade stainless steel air scoops, bandit rear tires, fast trekker fronts, 15tooth front sprocket 39 rear, sparks advanced key, ground out head pipe.
bust mine to whoop urs
nothing like fcr's i love um
02 red ex-many mods
03 lowered black drag raptor-yep its a runner!
'GO CAM'
i have both fcr 39 and lectron the fcr is a bit smoother but both work considerably better over a worked stock carb.i also have a lectron w/new cable and , modified thumb throttle 200 shipped
Senior Member
I agree, I love mine also. It really woke my 400 up.Originally posted by sparks400ex101
nothing like fcr's i love um
2007 yfz450 -- black Maier fenders, Oury grips, CFM aluminum air box without the lid, 250r K & N air filter, Curtis Sparks X-6 full exhaust, cam mod, IMS-Roll Intimidator MX bumper, AC Racing Blackline Pro-peg nerf bars, Hiper beadlocks, Kenda Claw XCR tires
2001 400ex -- black Maier fenders, JE 10.5 to 1 std bore piston, Hotcam old Stage 2, FCR 39mm carb, port and polished head, valve job, White Brothers Pro Meg full exhaust, K & N air filter, no air box lid, Big Gun rev box, race cut front fenders, OMF air scoops, PRM swing arm skid plate, Tag X5 handlebars, Oury grips, 15/38 gearing, Kenda Claw XCR tires, Barnett Dirt Digger clutch, yfz450 front shocks
Redneck forever (CSA)
i dont have a fcr on the ex but my dad has a fcr 41 on the z and that thing woke it up so much
00 400ex, renthal,jadlin nerfs bars, outerwares shock covers, dg front bumper scott grips, n-style seat cover with gripper top,20x11x9 rear kenda klaw xcr, 21x7x10 kenda klaw xcf, polished HMF, hi-flo header, k&n, open airbox, outerwares, 175 main, XRP dimond plate airbox, DG Baja full skid, XRP custom dual oil cooler setup, sparks high rev box,wiseco 11:1, hotcam stage 1, sparks advanced timing key,OMF air scoops,tiny tach rpm gauge,works triple rate w/ rezzy:
(YFZ-450 KILLER) 03 z400, LUKES RACING BIG BORE KIT, all skids, drz base gasket, both Hotcams, fcr 41mm carb, k&n, outerwares, port and polish by former LRD engine specialist, full system HMF, Yoshi 11,000rpm high rev cdi,D.I.D x-ring chain, 41rear 14front sproket combo, rear bead locks, crome front rims, trail tech bars w/ bar clamp, polish throttle cover, polished oil cover, polished brake resivour, polished shifter, shock covers, jet kit, 180 main, duncan racing brake block off, galfer waver rotor, denton,works shocks w/o rezzy,rebuildable steering stabilzer, Holeshotz dynoed @ 50+hp @ the wheels
02 warrior, fmf pc4 full system, torque stuffer, k&n, outerwares, jet kit, denton rebuildable steering stabilizer
02 e-ton viper 90, for the bro and sis
i do fabercating pm for prices, and ask what i can do.
XRP is my lil company
Junior Member
i hear edelbrok 440's r the best w/ +6 HP gains i may get one later on
Senior Member
I just bought a kehin fcr 39 for my 400 ... hope i like it!
"Fear Is My Motovation"
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