how fast is a stock 400ex

[SLSD400exGUY]

how fast is a stock 400ex?

[JOEX]

http://home.earthlink.net/~gellett/400ex.htm

[Joe400ex]

i clocked 400ex stock on one of the police things on the road
and i hit 71 but the road was so long i had the room to hit it

[Joe400ex]

i wonder what ill hit know with my motor mods out of curiosity

[397ccEX]

Tope speed dont matter its how fast you get there;)

[Joe400ex]

Originally posted by 397ccEX
Tope speed dont matter its how fast you get there;)

o i know i was just wondering

[sam the brave]

according to that link my 406 goes 62mph

[Joe400ex]

Originally posted by sam the brave
according to that link my 406 goes 62mph

Ur kidding right:(

[nosliw]

Originally posted by Joe400ex
Ur kidding right:(

his gearing isnt stock.

that thing is pretty right on.... my friend in a car next to me clocked me at 67

[Joe400ex]

Originally posted by nosliw
his gearing isnt stock.

that thing is pretty right on.... my friend in a car next to me clocked me at 67


his gearing is for more bottem end then right, but i bet he gets to 67 real f*cking fast:devil:

[yamablaster24]

dont matter if you got a 440 stroker with porting whatever your geared at is how fast you go. How quick you get there is a different story

[nosliw]

Originally posted by Joe400ex
his gearing is for more bottem end then right, but i bet he gets to 67 real f*cking fast:devil:

yea he's geared more for acceleration....

you mean he gets to 62mph, 67mph is what i get to. oh, i get there fast but not fast enough :mad:

[FL426kid]

I have a 416ex with a duncan racing cam,k@n,and some porting work,with 18 inch rear tires.My bike tops out around 70mph but pull most new 450,s and raptors out of the hole and murder a stock 400ex in a short drag.But when my 400ex was stock it ran around 65.

[blue416ex]

i hate that gearing calculator cuz it doesnt go with motor mods and peak hp nd such and jetting and everything else that comes into play cuz it says mine only does 62 but i clocked it at about 77 it was a bit off that was with my mods in my signature and 15/36 gearing o0o yea if you are thinking about 15/39 gearing save the money and DONT do it it makes your bike dawggy all around so far i HATE it with a passion:devil: :grr:

[nosliw]

Originally posted by blue416ex
i hate that gearing calculator cuz it doesnt go with motor mods and peak hp nd such and jetting and everything else that comes into play cuz it says mine only does 62 but i clocked it at about 77 it was a bit off that was with my mods in my signature and 15/36 gearing o0o yea if you are thinking about 15/39 gearing save the money and DONT do it it makes your bike dawggy all around so far i HATE it with a passion:devil: :grr:

well here is how i see it, correct me if i'm wrong

ok, take a stock 400ex engine. stops revving at 9300rpm. now, pipe it, high flow filter, port/polish, whatever. still is governed at 9300rpm. with that max rpm going through the sprockets and down in your tires, it wont matter what mods you have. both bikes will go the same speed (assuming the 400ex can hit the rev limiter in 5th)

see what i'm sayin'? that calculator is taking the variables that MATTER- rpm, tire size, and sprockets.

so with that said, why would peak hp/jetting/ect make a difference?

i think people are going to argue on the ground that a stock 400ex cannot hit the rev limiter in 5th. but i dont know.

[blue416ex]

they can't and mine has a revbox with the limiter taken out but i know the motors limits so i wont push it to the edge but it is screamin way past any stock limiter imo

[nosliw]

Originally posted by blue416ex
they can't and mine has a revbox with the limiter taken out but i know the motors limits so i wont push it to the edge but it is screamin way past any stock limiter imo

ahhh i see. you outta get one of those small tachs and see so you can get an accurate reading from the calculator.

[blue416ex]

i want to but i can't seem to find any i just been using either my friends truck goin side by side OR just letting my friend do it with his dads cop radr gun lol:blah:

[Joe400ex]

what is the best rev box out there out there i dont car how much it cost web plaease.

[nosliw]

Originally posted by Joe400ex
what is the best rev box out there out there i dont car how much it cost web plaease.

gt thunder is good

[whiteflash]

i was seeing what my top speed was and i noticed that the rev limit was 8250, i thought it was 9300 or something around there. Cause when i get my rev box it says that it will do 79 if the limit is 10300 (9300+1000), but i dont believe that...