Maintenance & Technical > KX500 Original
How much longer will the K5 be top dog ?
kiwikx500:
See the 450 four strokes are getting up there in horse power,around the 54 HP mark with good power delivery,lite too.
What are your thoughts on the hungry four stroke wolf thats climbing the hill,will the K5 be knocked off its perch in standard form sooner than later ?
KXcam22:
Kiwi,
You're right they are getting closer. But keep this in mind, simple thermodynamic engine theory shows that, given equal tuning, a 4-stroke simply can't equal a 2-stroke in HP. It physically can't do it! Right now we are comparing highly tuned 4-strokes (think indy car) to a semi-tuned 2-stroke. Run them both hard for the season without rebuilds then see who has money for beer at the end. Can't argue about the rideability and weight though, that is simply progress and I know that one day I'll eventually end up with one. Was riding with a bunch yesterday climbing some ugly, ugly rock faces and mountain creek beds. The only bike that made it to the top was my smoking green one. Still the KING (so far)!!! Cam
kiwikx500:
Good points Cam.Ive been for the K5 ever since I seen our top motor crosser win New Zealand Titles piloting one.
To true the dirty 5 can be modded for more gains,the only threat could be if they bring out lite bigger bore four strokes.
Could to hear you are showing the boys who the BOSS is!
Great thing about K5's here in New Zealand is they are cheap to buy cause most are scared of them,think maybe some think it will have a powerband twice that of a 250
I find mine very user friendly :-D Had ago on a Yammy YZ25OF the other day,was like a powerful XR250.
Was impressive for what it was but I smiled all the way home thinking my M8 had payed twice as much for his Yammy than I did For my K5 but the K5 is well in truly over twice the Bang,win win 4 the K5 owner :-D
FuriouSly:
I just got back from Dumont Sand Dunes in CA. Took the KX5 out with the new Race Tech suspension all around and big main fuel jet for the low altitude. To answer the question of "Top Dog"... if you didn't have a CR5 or KX5... then you got your butt handed to you. The main Comp hill was mediocre this weekend since Halloween weekend will be the first big get together. But, I still smoked everything there except some LS1 rails and one straight line drag banshee. Nothing quite like wheeling up a 600 foot sand dune in 4th gear passing YZ450F's, CRF450's, KTM450's&525's, not to mention the comparable couch's on four wheels.
Gotta love the KX5.
Sly
Polar-Bus:
--- Quote from: kiwikx500 on October 23, 2006, 03:36:35 PM ---See the 450 four strokes are getting up there in horse power,around the 54 HP mark with good power delivery,lite too.
What are your thoughts on the hungry four stroke wolf thats climbing the hill,will the K5 be knocked off its perch in standard form sooner than later ?
--- End quote ---
Read this:
http://www.kxriders.com/forums/index.php/topic,2496.0.html
I have also had my 500 out on the MX track, and honestly speaking, charging the main straight, (traction being ample), there is currently NOTHING that can overcome the brutal power of a 500 2 stroke, but again traction NEEDS to be excellent for a 2 stroke to work. Once conditions get soft and loomy, the 4 strokes have a far better advantage.
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