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View Full Version : I Have a 250ex and i want to know the best things to do to it to make it rock/ POWER



EX_Junkie
12-30-2003, 09:39 PM
Ok check it out i have this 250ex and i can ride great but now everyone that i ride with has 400's and **** ...... i can beat most of thim just in riding abillity. But coming out of turns and everything they just eat me in the straights ..... ... .. wats the mods for a 250?

Berry
12-30-2003, 10:02 PM
nitrous:rolleyes:

EX_Junkie
12-30-2003, 10:07 PM
it dosnt have enough power --- i can ride banshees and 400's perfect but i own a 250 ... i guess its just the power diffrence that p*sses me off

ReconRider25
12-30-2003, 10:11 PM
supertrapp ids2 complete system, with k&n and dynojet jet kit....i ran that on the recon and it gave it a ton more bottom-mid and a lil faster on top end. i was able to beat 300ex's in drags with that setup, and its the same engine so you should have similar results.

exatak199
12-30-2003, 10:17 PM
Originally posted by Berry
nitrous:rolleyes:

what he said :eek2:

skemp
12-31-2003, 12:37 AM
Not much to be done that will make a 250ex rock. Kind of like putting lipstick on a pig...

OMG, my grandpa used to say that.

Striker49
12-31-2003, 11:24 AM
Originally posted by skemp
Not much to be done that will make a 250ex rock. Kind of like putting lipstick on a pig...

OMG, my grandpa used to say that.

He's right for the most part. You could try putting the exhaust, rejet, and filter on it and it will help it some but there just isnt much power there to extract...I know, I used to own one.

Best thing you can do is do what I did...do no mods, save towards a better quad and try to hang with em in the mean time. :cool:

skemp
12-31-2003, 11:59 AM
Good advice there. Just have fun with what you got.

hondaex03
12-31-2003, 12:29 PM
Trade it in, you can find 400ex pretty cheap now.

300expimp
01-26-2004, 07:41 PM
My friend had a bad 250ex it had a pro-circuit pipe, jetkit, and k&n air filter and holeshots it could haul just get that and it will help alot


2003 Honda 300ex
FMF POWER CORE 4
DYNOJET
K&N AIRFILTER

exboy400
01-27-2004, 07:19 PM
i would just start looking for a faster quad but if you just want to give it a little balls get a pipe filter cam and rejet which will give a bit more power....just dont plan on keepin with the 400s if you keep the 250

brian-250
01-27-2004, 08:02 PM
to make a sound diff,power andgetting to top end faster,take your stock lid off,take an old (clean!) furnace fiter measure/cut then soak it in filter oil and hold it down with your stock clamps an some duct tape,this worked well on my recon with stock my big gun will be here friday( ) and it made a he!! of a sound diff,and yes you will need to rejet or dial a jet second setting try

wwclea01
01-27-2004, 08:56 PM
it is a recon with a body kit man, there is no hope for it. Sorry, but it is the truth

Raptor4439
01-27-2004, 09:39 PM
Bore over .40
Sparks X-4 complete system
hotcam stage 2
white brothers titanium valves
K&N power kit (air filter, jet kit)
Lonestar +2 a-arms
CR low bend bars
MSR easy pull clutch
Holeshots all the way around
Durablue +2 axle
AC racing front bumper
DG nerf bars
Sidewinder sprockets and chain

:macho have fun.

CG's
02-20-2004, 09:20 AM
You can make a 250EX somewhat quick like able to compete with some lightly modified 300's or so. I highly doubt 400's. Here's what I would do if your able to:

Carv out end of snorkel----FREE!
After market filter (KnN)----$35-40
Rejet Carb.----$10-15
Port cylinder head (may not gain much at all but still, probably to much work for the results)--FREE
Full exhaust-----$300

*May have problems with clutch slipping I don't know*

I Carved out the snorkel and jetted the carb and it made quite a difference in throttle respose. Made most difference down low and mid range and some but not much noticable on top. I used a 110 main jet.

JDiablo
02-20-2004, 11:32 AM
http://www.exriders.com/vbb/showthread.php?s=&threadid=92781 this is all you will need until you seize the piston in the cylinder:p

quadryda
02-20-2004, 07:10 PM
get a new bike 250ex's are really slow espeacialy if your a good rider