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Discussion Starter #1
I want to make my 2004 Honda 250 Recon ES a little bit more powerful. Can this be done. Do they make a cam and head that will give it more performance. I want to do the same on a 250 ex or x, what ever they are being called now days.
 

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your wasting time and money on an atv that just wont produce what you seek. your better off moving up to a larger atv. but !!!!!!!!!!!..be warned !!!..NO HONDA UTILITY ATV IS GOING TO GIVE YOU THE HP YOUR AFTER !!. honda is not big on hp, least not on their utility models anyway. the recon is NOT a machine you can toss cash and parts at, and think its going to do the quarter mile in 6 secs !..lol.
 

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I'm all about modifying my toys.....

TRX250 to 280

Heres a link to a 280 BBK & thanks to mac102004 for the information...
 

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Discussion Starter #4
But does that kit include a better cam? Why make motor bigger with stock cam. That will just give it lots of low end power and no top end power.

If you take a stock motor and add cubic inches but not better valve timing then you just lower the power band.

If I take a small block chevy in 327 and take out the 300 horse power Duntov cam that produces 300 horse at lets say 5000 rpm and i put it in a 350 that is built about the same way s the 327 I will not gain any power, i will just lower its power band to a lower rpm and probably not make as many horses at the lower rpm.
 

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I tend to agree, money is better spend saving up and upgrading to a larger HP machine,
as your not going to get much real HP or gains out of the 250, and the money and time spent, is IMO< not really worth it
if you LIKE to mod things just to MOD them, then, OK, have at it
but there are better ways to spend $$ IMO
 

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Discussion Starter #6
But if we say it's a wast to put money into a 250 then we are also saying it's a waste to put money into a 400ex when we should just buy yamaha 700s and build them.

Who can we ask to build a better cam for the 250x / ex.
 

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I second that. Call Web Camshafts....


All my buddies think I'm off my rocker as maybe some of you...

I have 9k into my Honda 300 & now I have to split cases..

I've replaced a perfectly good working GMC 350 & 4L60E tranny... with a 383 & built tranny which cost me an 1100 tow bill.... have 30k into total set up...

Xterra I just sold was fully modified

I had a 2013 Brute Force with 1400miles.. pulled it apart & 750bbk installed & tons of mods.....
20k into that one..

I say IF it's what you want to modify... DO IT!!!!!!!
 

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But if we say it's a wast to put money into a 250 then we are also saying it's a waste to put money into a 400ex when we should just buy yamaha 700s and build them.

Who can we ask to build a better cam for the 250x / ex.
yes and NO
and the reason is this, the 250x is basically an entry level atv, a 400 ex, at the time it came out was the flagship of honda's race atv's
better shocks, frame, design and all that
BUT if you read up on things, odds are you will hear MANY experienced folks tell you, before sinking money into a 400 ex, your better off getting a 450, and I agree!
as your getting a lot of updates and NOT just power mods for your money!
same would be with uping from a 250 to a 400 or larger
your getting MORE than just more HP, your getting a whole better machine in many other ways!
SO< again, IMO< its about Bang for MY dollar, and what will get me the most from the money I am spending!

Yes you can MAKE a 250 get more HP, , but in the end, will you spend more money to have a 250 with more hp, and lesser other things, than you would have spent just upgrading the whole atv to a larger displacement one of a different era and design to the atv itself!

so, the logic here doesn't be as simple as you want it to be!
I am NOT against doing HP mod's to some things
some things wake up better than others
but if your a growing person, odds are what ever HP gains you get from a 250, you will soon outgrow and be out the money you put in and most mods never get any real return on the $$ spent on them at sale time!
and MOST most to a motor, will also lessen motor's life span!
all the more so on smaller cc motor's you tweak
as you will be driving them Harder and harder, causer you CAN, where larger cc motor's/HP , are many times hard if not impossible to run full throttle all over the place like you can on smaller motored of like toys!(I raced 80-125-250-500 cc MX bikes for 20+ yrs, so I know this for a FACT, I could run a 125 balls out, and need a top end pretty fast, but my 500's would go for yrs and yrs,(if I wanted to) cause NO where to open them up as often! or run them as hard as I could on smaller HP bikes!(even on almost exact chassis's )
 
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