Stupid Question, but need answer

[DaveEX7]

Does a non-stock carb give u more horsepower or somethin like that?? i wanna make sure of what they do b4 i order one

[Texan32]

yes and no.

It depends on if you have motor mods that warrent a bigger carb. Would you put 30lb fuel injectors on you stock honda civic?

[Sparks425Ex]

Yes. It does give you alot of power. Alot more then a pipe will ever do. But on a stock motor you can;t go to big.

Like an FCR39 on a stock motor is good,

FCR41 is to big on stock motor.

[sly400ex]

It will merely help/add-on to modifications that are presently on the machine. Like Texan said you don't want to over carb or inject it either, that will worsen things.

[99'300EX]

yes it will give u some power if u bild ur motor up alittle..it wolnt do much to a stock motor..

[DaveEX7]

i know that i have to build up my engine thats why im lookin into a new piston, gaskets and jets... what else do i need??

[300eXTraILRyDeR]

Cam and hardend rockers wont hurt either.

[DaveEX7]

my quad is shaft driven, so i cant getta cam unless i wanna change the drive

[300eXTraILRyDeR]

oh sorry, I didnt know what you were riding.

[stupid driver]

a 39fcr will help a lot on a stock motor w/ a pipe and filter

[optikid123]

what would the cam have to do with the drive?? idk maybe im wrong.

a carb on a 400ex adds like 3-4 hp supposedly so they help but dont over do it and i think a bigger carb gives more top end and less low which is why u need motor work again idk maybe im wrong.

[Texan32]

Originally posted by SpeedDemin85
my quad is shaft driven, so i cant getta cam unless i wanna change the drive

I don't know squat about the 250ex, but how does being shaft driven have ANYTHING to do with changing the cam. :huh

Ask brokeitin3,,he's got the most pissed off 250ex on the site,,he'd know.. He's kind of an arsehole but does know a little about the 250ex..:eek:

[brokeitin3]

but this product was the best improvement made to my stock carb. if you need more info the site is www.thunderproducts.com and i purchased it from rocky mnt. for 69.95

[MIKE400EX]

You can change the cam in a 250EX, just a little more of a pain in the arse than the 400Ex's. It's a lot harder to change the final gearing since it's a shaft drive. I believe there's a kit out there to change the rocker arm(s) to gain some lift/duration.

[YZROOSTINYA]

shaft drive has NOTHING to do with the cam


shaft is in relation to the transmission and getting power to the rear tires,


cam is in relation to the valve lift and duration

you can change your cam, dont know if anyone makes one for that ride though