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308
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12/31/2012
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AT
Edited Date/Time
6/17/2015 12:58pm
hey guys,
I am in the market for a 2015 250f, but i cant decide between the sxf, rmz and kxf. Here are my thoughts about them so far:
SXF: I am coming from a Sx 125, so i am used to the steel frame and ergonomics. If it wouldnt cost about 800€ more than the KXF and RMZ, i probably would have already bought one, if it werent for the Wp forks... . Also, i think it might not be bad for my riding to test out a different brand.
KXF: The engine seems to be the best in its class, but most magazines complain about the handling, especially in rutted corners (Wants to stand up in the middle of the rut). kxf owners, Is this really a noticeable problem? Is there an easy fix for this or do you need to spend some money?
RMZ: A friend of mine has one and loves it, but he says that the engine does not like to be over-revved and works best in the mid range. Coming from a 125, i think i am going to rev the bike quite a lot so it might not be the ideal bike for me? I also use the clutch a lot, and the RMZ is known for a weak clutch.
I am aware that noone will be able to say which bike suits me the best, but i would like to hear some of your opinions on my thoughts as well as some recommendations on which one might be the best for me.
I plan on putting around 50 hours on the bike, and dont want to change pistons/main bearings or whatever in this time, so it should be reliable too.
Oh, and i am 17 yrs old, 140lbs, can get around a track decently.
thanks in advance for your replies, english is not my first language so sorry for all the spelling errors
I am in the market for a 2015 250f, but i cant decide between the sxf, rmz and kxf. Here are my thoughts about them so far:
SXF: I am coming from a Sx 125, so i am used to the steel frame and ergonomics. If it wouldnt cost about 800€ more than the KXF and RMZ, i probably would have already bought one, if it werent for the Wp forks... . Also, i think it might not be bad for my riding to test out a different brand.
KXF: The engine seems to be the best in its class, but most magazines complain about the handling, especially in rutted corners (Wants to stand up in the middle of the rut). kxf owners, Is this really a noticeable problem? Is there an easy fix for this or do you need to spend some money?
RMZ: A friend of mine has one and loves it, but he says that the engine does not like to be over-revved and works best in the mid range. Coming from a 125, i think i am going to rev the bike quite a lot so it might not be the ideal bike for me? I also use the clutch a lot, and the RMZ is known for a weak clutch.
I am aware that noone will be able to say which bike suits me the best, but i would like to hear some of your opinions on my thoughts as well as some recommendations on which one might be the best for me.
I plan on putting around 50 hours on the bike, and dont want to change pistons/main bearings or whatever in this time, so it should be reliable too.
Oh, and i am 17 yrs old, 140lbs, can get around a track decently.
thanks in advance for your replies, english is not my first language so sorry for all the spelling errors
I don't think you will go wrong either way... Maybe ask around at the track? See if someone will let you sit on their bike to get an idea of the feel?
Still, if anyone has some input, it would be appreciated.
The Shop
That nut does not need much torque. In fact, u see the team riders safety wire it because they run it pretty light.
I think the old style forks on the new Yamahas are great, probably because they flex more than the other mfgs. While it works well in a straight line I think they flex at turn in when the chassis has torsional loads (or the chassis flexes). Might explain some of the turn in "vagueness" people complain about. Most are raising the tubes in the clamps thinking that the reduced trail solves the problem but in doing so it also stiffens up the forks in general and reduces the moment arm which causes fork/chassis twist. That's what I think actually helps. I think they benefit from less preload as well, as the forks need to extend a bit at turn in to maintain predicable traction. Tried both on my bike and don't feel that initial looseness nearly as much.
Something about the asymmetric attachment of the subframe to the lower main frame kinda bugs me as well. I just can't see how the main frame is being loaded equally and how the subframe doesn't want to "move to the right" off center a tad when heavily loaded by the rider. Not sure what, if anything, can be done about that.
Bottom line, great bike right off the showroom. Just springs for your weight and it's good to go.
get the suspension revalved, and keep fresh tires on it. No problem with corners or handling
Also if you buy a kx and want a little more power
Remove the back fire screen
get it remapped for better fuel with the back fire screen out
keep the stock exhaust it works great
Here in Austria, yamahas are very rare, so i dont have the chance to try one out, plus, there is no dealer near me. They also are quite expensive.
I had the chance to ride a '15 kx450f today, and was really impressed! First time i rode a 450, and of course the power was great, but i also thought that it handled really well. The Ergonomics also felt natural. And the best thing was how stable it was going over breaking bumps!
The 250 probably handles similar to the 450, at least it should
So i just found a pretty good deal, going to get a 15 kx 250f on friday
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