YZ125 Vs YZ250F - The Million Dollar Match-Up

Does the torque of the YZ250F make it that mucha reason for this? There must be, so let's check it
better than the light and snappy YZ125? We have toout!
dig a little deeper than what the media andDoes It Handle As Well?
government says. I think we all know that mostA simple question, and it will be responded with a
motocross companies are pushing for thesimple answer... "no." You can do anything you want
four-strokes because they are "eco-friendly" by notto the bike, such as lowering the radiators, reducing
producing as much pollution as the two-strokes. Butthe weight, or shaving the seat, but it's never going
for this battle we will totally scratch thoseto handle as well as the two-stroke unless you do
opinionated facts out because they don't mean amajor modifications. That does not mean it handles
thing in the motocross realm.poorly. Over the years Yamaha has turned their
I have ridden Yamaha's YZ250F's and YZ125's, andYZ250F tank into one of the best handling
can say that they are two different kind of animals.four-stroke dirt bikes. The newer the model, the
Both motocross bikes have plenty of power and willbetter it gets. The main difference between this bike
require some balls to ride, but are about as reliable asand the 125 is that it's top-heavy, meaning the center
you can get as far as motocross bikes go. Each bikeof gravity is at a higher location on the bike, causing
has its ups and downs, but the question is, "whichit to be less stable. This is most noticed in the
one is better?" Well you'll have to wait until I do acorners, so laying it down will be a little more difficult
little more research on these bikes....... Just kidding.for shorter or younger riders.
YZ125How About Suspension?
Ahhh, the smell of pre-mix in the morning! AreSuspension on the 250F is great for 140-175 lb
two-strokes making a come-back? Well, I'll cover thatamateurs, similar to the 125. It has good bottoming
in a future article... The YZ125 is a serious piece ofresistance and handled jumps with ease. Not much
art. It's been rated the number 125cc motocross bikeelse to say except that the suspension on the
in magazines and websites more than any other 125YZ250F's worked well for me.
two-stroke. The light-weight makes it flick-able, theDoes The Engine Make Up For It?
raw horsepower begs it to be revved to the moon,The first time I rode a YZ250F I was blown away.
and the suspension is top notch. There's no questionTorque across the entire rev-range was unbelievable.
that this bike is ready to race right out of the box.This bike gives you the traction and power down low
Although you might have to re-jet the carburetor ifthat you will never get from the 125. The
you are riding in an extreme climate."power-band" is not as fun as the two-stroke. The
How Does It Handle?torque, though, will pull any 2-stroke out of corners.
Pretty much any modern 125 two-stroke is going toAfter riding a 250F for a while, the smooth, yet
handle well these days, and the YZ is no exception.powerful engine just got a little...... I don't know if I
The handling is among the best in its class. It will rideshould say it.... boring. It just wasn't as fun to ride
any berm and the front end will stick pretty well inaround on as the two-stroke. Racing the YZ250F
those pesky ruts. What I like about the 125 is that itwould be a different story. It's not exactly about
has a really low center of gravity compared to theriding whichever bike is more fun, it's about riding
four-stroke, so it made it a lot easier to lay in downfaster and more comfortably than the other riders.
in the corners. I am a shorter rider (5'6''), so having aThis bike helps out a lot on that part, but is it good
bike that handles well in corners is a must. The YZ125enough to beat the 125?
felt comfortable to ride and cockpit was narrowNotes:
while the 250F was a little more bulky.The YZ250F was the first four-stroke motocross
What's The Suspension Like?bike in the 125 class, and has been the most reliable
You want good suspension? You got it! The YZ125250F the entire time. Take care of it and it will take
suspension set-up is great right off the showroomcare of you. The first years, 2001 & 2002, the bike
floor. If you weigh more than 180 or less than 140 lbshad manual-decompression, making it a little more
then you might want to consider getting some softerdifficult and time-consuming to start. That can be
fork and shock Springs though. The stock suspensionfixed with an '03 or newer exhaust cam because
has really good bottoming resistance and can handleYamaha switched to auto-decompression. The
a lot. It feels great on any kind of obstacle. AlthoughYZF250 is probably the easiest 250F to kick start. I
it may be a little mushy for A or pro riders. Thewas usually able to start mine in 1-2 kicks when they
forks soaked up most of the braking bumps and thewere cold.
bike was very controllable in the air and in theThe bad part about owning a 250F is that it can
corners. It felt stable at all speeds.grenade if you don't maintain it properly. If it does
What About the Engine?just "happen" to blow up, the cost of repairs can be
The engine may be the two-strokes' greatestenormous, especially if you have a shop to do it. This
set-back against the 250f, but it is no slouch. Anyis one of the only reasons why I don't like the
skilled rider will be competitive on this little ripper. Thefour-stroke motocross bikes, otherwise I would buy
YZ125 may not have the torque that the 250F does,more of them.
but it has the horsepower to make up for it.And The Winner Is....
Yamaha's 125 is known for it's do-it-all engine. It doesNeither bike, because they are just as good as each
have more bottom-end power than any other 125other...... You didn't want to hear that, did you? Good,
two-stroke I've ridden. The mid-range has somebecause it's not true! After comparing the
punch, and the top-end is never-ending fun. All youcharacteristics of these bikes that have been rivaling
have to do is keep this bike on the pipe then you willeach other for the past decade, there are still pros
be able to pass those 250F's, that's it.and cons that each bikes has. My decision would be
Additional Notes...to go with the YZ125 because I love two-strokes
Above are the main topics that riders ask aboutand don't like big bills when they explode. For a racing
when deciding which bike to get. I just wanted toscenario where money is no option and the only goal
give you a few more facts about this bike that couldwas to win then I will choose the YZ250F. It has the
factor into your decision. The YZ125 is a greattorque and horsepower that will beat the 125 on
motocross bike to start out on, and is perfect foralmost any track, the suspension is great for me out
younger riders just stepping up from and 85 thatof the box, and it's just plain easier to ride faster.
don't want a big four-stroke. This bike is cheaper andThat's why the Yamaha YZ250F is the better bike in
easier to maintain. The cost to rebuild any 125 will bethis match-up.
less expensive than a 250F just because it's aFurthermore, there are so many variables to consider
two-stroke and has less moving internal parts. Thatbecause not every rider is the same and rides similar
doesn't mean you will be spending less, because ifterrain. If you have a big bank and want to be on
you don't maintain it, it will break down eventually.par by technology standards then the 250F is the
The YZ125 has always been very easy to start. Ifbike for you. If listening to a two-stroke WOT is
it's not, then you have a problem. One of the onlymusic to your hears, and you want to learn better
extra things you have to do to this bike is addriding techniques as well as a bike that's easier to
pre-mix to the gas before you put it in the tank andmaintain then a YZ125 is a perfect bike.
ride.Remember... whatever bike you choose, have fun
YZ250Fand ride hard! Good luck!
It's bigger... It's badder... Is it too much for the-Tom Stark
two-smoker to handle??? The YZ250F is the numberP.S. Check out my site (Motocross Hideout) for the
one selling 250cc four-stroke motocross bike. Is thereofficial article.