bike pick dont know what to get

[acmetrapper62]

well im a big on ktm ok but I have a gas gas 250xc right now that I use for hardscramble.... im like the odd ball everyone uses ktm.... what bike whould u get for my size and weight im 5'8 155pd with gear on... what the big difference from the ktm 300 xc and the xcw and the 250 xc and xcw and what is the diffent from the ktm and the gas gas line of 2 smoker bike I really don't know what size of bike to get I never rode a new 300 on either gas gas or ktm .... but I do have a 2001 gas gas250 xc what it like to the newer bikes

[Moto7man]

I have a 2011 EC 300 and it is torque central. Maybe Jakobi would agree that with your weight you only need well set up GasGas 250.

[GMP]

I'll agree with that, as long as you like the 250 power you have now, as they are very similar. Stock springs would even be good, maybe even a hair stiff.


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[acmetrapper62]

I just want to get more low end out of the 2001 gas gas 250 xc I have now idk what flywheel weight oz to pick

[Jakobi]

What have you done to your 250 currently? What mechanical state is it in for an 01? Had a top end recently? Ever had the bottom done? Was the head modified? Have you taken the time to tune it?

A fresh and well setup 250 of either brand will keep a huge grin on your face.

I personally find the 250 lugs down just as well as the 300. The difference is more around the lower to mid revs. The 250 remains a bit more forgiving and then comes to life a bit harder in the upper revs. The 300 seems to find song about a thousand rpm earlier. If you like to rev go a 250. If you like to lug go a 300. Both bikes are capable in both areas. The 300 is just a beast to try and ride on song all day.

[GMP]

There is a reason almost all of the AA and fast A guys here are on 250s. They have the right kind and amount of power for all situations. 300s yank harder and over time wear you out faster. If your just a trail rider then sure they are great, but for racing here they are too much.

For more low end from that 250 you have a lot of options, and I have done it on several of them:

JD Blue needle
RB head mod
VForce reed block and '05+ manifold to replace RAD Valve(requires a little case matching)
verify ignition timing
high volume PV cover
verify correct PV adjustment
Gearing? 13/51 is good overall, 13/52 in the mountains

The '01 XC250 is a nice place to start because it has an aggressive CDI that gives good bottom and a strong mid rush. You should have the 2K-2 ignition as well. Flywheel weight DOES NOT increase your low end, don't get hung up on this. When everything is set up right the bike will be almost stall proof with no weight, but a 10 to 14 oz spin on works good in all conditions, and can be R&R in seconds. My 250s have plenty and lug down to just about zero, but don't pull on your arms as hard off idle and have less extra power to manage on that last tough lap, or last section of an enduro.