tigmaster

Well I guess its time to start the most violent conversation. So which do you feel is the better bike. Personally I love my RM-Z250. Its an amazing bike. Sure I've ridden Two's, but theres no way to explain being able to throw infinite power to the ground in any gear. Here is a review of a yz250f vs. a yz125.

2002 YZ125 vs. 2002 YZ250F - MotorcycleUSA.com

Take a look at the dyno chart on the second page. That is what convinced me to buy a 4. I was so serious about 2's, but after I saw these dynos I couldn't deny the facts about 4's. The 4 stroke has full power almost all through its RPM range and the 2 has a little burst of power and then drops back down to around 10 horsepower. Also the 4 stroke outrevving the 2 stroke amazed me so much and at its maximum RPM's it still has full horsepower. In my opinion being able to have power in any gear and any RPM is awesome. Don't get me wrong I still enjoy 2's but you can't deny the facts. Every company besides Yamaha does not put any effort into their 2 stroke. Honda has also had a long lasting reliable 2, but not too many innovations. All companies work hard on their 4's and soon 4's will be ever more powerful. Oh and for all you out there who like to say, o those 4 strokes are so much heavier. Well my steel frame RM-Z250 rolls in at 204lbs and Yamaha and their YZ125 aluminum framed version are 196lbs. Hmmm... 8lbs, the difference between a full and empty gas tank. Yeah thats right. Finally my favorite argument, IF 2 STROKES ARE SO GOOD THEN WHY DO THE PROS RIDE 4'S????????

Well now that I dealt you all the facts that I can use to prove my point tell me what you think, BUT DONT JUST SAY ONE IS BETTER THAN THE OTHER, PROVE IT. And remember don't get ignorant about this, these are just peoples opinions.

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dirtrider07

4 strokes all the way 2 strokes suck balls

dirtrider07

well the 2 strokes are going down hill every year and soon will be gone i think next year they are stopping production of 2 strokes the crf150r is just the begenning of the new production four strokes cant wait to see what they come out with next

tigmaster

I can't wait at all to see what beast of a 4 stroke they come out with next. Its so amazing, all the new inovations they have put into the 4's.

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dirtbikenut

I heard something today that the AMA is thinking of racing ALL 250cc bikes in the same class. Then an open class for the 450's. Not sure what would happen with the 125cc bikes.

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tigmaster

Does anyone know what is going to become of the 85's/150's class now that the crf150r is here. The 85 two strokes don't stand a chance against this new bike. For those of you who have not heard about the groundbreaking new crf150r then check it out here.

http://powersports.honda.com/motorcy...delId=CRF150R7

I dont think it is possible at all for the 85's to touch this bike and with fours getting better and better every day it probaly will be soon when it will be 250 four strokes against 250 two strokes. I don't know about you, but I can see that happening soon.

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1bad250

i just dont see it..i mean the 2 strokes parts are cheaper, easyer to work on,lighter & more powerful. the 4 stroke is beat in every way it takes twice the mount of CC's to even be able to keep up & just way to much money i just dont get it..its starting to make me sick watching supercross listning to the anouncers talking about how much horse power the 450F's have dee"dee"dee" 200CC's more. aaahhhh

tigmaster

Have you seen a dyno of a 2 vs. a 4. sure the 2 may have a 1 hp advantage but the 4 has hp throughout the entire rpm range. have a peek at the links i have on my first post above, there are some dynos of a yz125 vs. a yz250f. also as far as being lighter compare the 204lbs of my rmz250 to a yz125 of 196lbs 8lbs diff and the yz125 has an aluminum frame and my bike doesnt. hmm.... it is true though that the rebuild cost of a 4 is much greater, but a sacrifice well worth the power. also u were talkin about the double the CC's, but that is becoming less and less each day, just look at the new crf150r. so people can be the judge if they would like to have full hp throughout the entire rpm range or a little tap of hp way up there. also compare where 2's and 4's hit their rev limiters, THE 4'S REV HIGHER THAN 2'S, AND THEY STILL HAVE FULL HP ALL THE WAY UP TO THE REV LIMITER. on 2's however they have almost no hp until they hit their minute powerband and then dropping down to about 10 hp as the rev towards their rev limiter. i dont kno wat else to say, i pretty much just proved all of yur points wrong, but if u have FACTUAL evidence otherwise, lay it on us. we all want to be informed of which is best

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1bad250

I guess when i see a yzf,crf,kxf,rmz250 smoke a yz,cr,kx,rm250.one of my buddys have a 06 crf450 he runs 14-52 sprockets, K&N filter ,jet kit, modified air box & a full FMF exhaust. my bike is a 94 yz 250 with renthal 14-50 sprockets,boysen rad valve, boysen duel stage reeds,pro circit platnum expantion chamber,pro circit 304 silincer, timing advanced one notch & barnnet clutch.these bikes are built realy close to the same stuff. when he first got the bike he did not even come close i smoked him from begining to end after we put in the jet kit & exhaust i still smoke him off the line mid.with at least 7 bike linthes till i run out of gear & he will blow by. also when we ride each others bikes his feels slugesh when he is shacking out of his shose with a smile ear to ear when he gets off of mine.we ride in open feilds & at the sand dunes in atica.

tigmaster

how long has yur friend been ridin? switch off bikes and see who wins. with that much power the skill level of the rider matters a huge amount.

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