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trx400exracer
05-25-2010, 10:03 PM
i was wondering how much power my bike was pushing with the mods in my signature thanks :rolleyes:

tri5ron
05-25-2010, 10:37 PM
Originally posted by trx400exracer
i was wondering how much power my bike was pushing with the mods in my signature thanks :rolleyes: just wondering,...
Why in the world would you run a 440, cam, carb,and "head work"....
but not have a higher flow /exhaust and intake ???

are you saying that it has all these higher flow goodies, yet is trying to suck it through a OEM airbox, and push it through a OEM headpipe/can ???

either way, I'm pretty sure the handguards, graphics, and seat cover, add about 183 HP. :p

post up a pic, we'd love to see it.

John Noftsinger
05-25-2010, 10:47 PM
You just didn,t list pipe right? with those mods (pipes)IMO you are at about 34-36hps. hp stock is 25.My buddy had 502ex that only had 45hp for trails/hillclimb riding but Im sure the drag racer s are putting out alot more hps but with great cost!

trx400exracer
05-25-2010, 11:30 PM
o yeah its got a lrd full exhuast the stock air box without lid and a kandn filter with prefilter lol knew i forgot something

trx400exracer
05-25-2010, 11:33 PM
and i just bought it the guy i bought it from is the one who got everything done to it so im not sure about all the mods

mtrombla08
05-25-2010, 11:53 PM
i have a 440ex 11.1 weisco piston, hotcams stage 3, hmf competition full exhaust, k&n air filter with outerwears and outerwears cover, 4"spal fan. and im only pushing 35 HP. i just got it dynoed last week. 26Ft Lbs torque

trx400exracer
05-26-2010, 12:01 AM
that aint too bad better than stock ill have to get it dynoed but not sure where one is lol

trx400exracer
05-26-2010, 01:01 PM
heres pics of it when the guy owned it was set up for flat track here it is now for mx its number 4

honda400ex2003
05-26-2010, 08:02 PM
around 35-37 hp would probably be pretty close. I just dynoed mine at 34 a couple of weeks ago. steve

bherriman
05-26-2010, 08:15 PM
Stock the 400 has 34.2 bhp (at the motor) so with your mods you should probably put 34-36 at the wheels I would guess

trx400exracer
05-26-2010, 09:18 PM
thanks guys for the info will post good pics in a couple of days of it