I mentioned the 450 EXC, because at least where I live, it's practically impossible to plate an off road motorcycle anymore.
I have ridden a 400 EXC, and a 300 XC-W (friend has one).
For real single track, and tight twisty stuff the 300 was hands down the
best. Of course here in the Kalifornia, it's impossible to plate.
To be honest, I did not feel any real difference between the 400 and my 450.
I ride a 640e LC4 now, and let me tell you, my 450 felt like a two stroke compared to my 640.
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2011 Husaberg TE 300
2002 640 LC4e
Past Rides
'03 KTM 450 EXC (SOLD)
'01 Honda XR650R (SOLD)
'98 Honda XR600R (SOLD)
'95 KTM 620 RXC (SOLD)
'88 Yamaha TT600 (SOLD)
'86 Yamaha XT 350 (SOLD)
'84 Yamaha IT465 (STOLEN)
'83 Kawasaki KDX 450 (SOLD)
'82 Kawasaki KDX 400 (SOLD)
'77 Yamaha DT200 (SOLD)
'70 Honda CT70 (SOLD)