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View Full Version : Which : 450 or 525 ?



RaptorLover
09-22-2007, 05:51 AM
Which one will be the best to buy ? which one is the most powerfullest ? , best power to weight ? for mx and enduro ?

montycarlo
09-22-2007, 01:09 PM
...most powerfullest.... :D That would be the 525.

I assume (but don't know) the 450 and 525 would be similar in weight, and from what I've heard about the same price. So get the 525 unless you're in a 450cc limited displacement class.

realbadlarry
09-22-2007, 09:08 PM
I was told the 450 will have "different" power than the 525, more explosive track type power. Would probably be more fun in the dunes that way.

bossman525
09-23-2007, 10:41 AM
i think the 525 will hit harder in the low to mid range than the 450. either way, both would be great in the dunes are on the track.

bwamos
09-24-2007, 05:33 AM
The 525 is actually a big bore, instead of stroked on this model.

It should have a bit more power all around, but won't rev out as high due to the larger piston.

But this is simply my specualtion.

otis
09-24-2007, 02:36 PM
According to the dealer I bought from the 450 is a long stroke and the 525 is short stroke.

Quad_Runner
09-24-2007, 05:23 PM
Originally posted by otis
According to the dealer I bought from the 450 is a long stroke and the 525 is short stroke.

Same stroke - different bore.

m.h.s.c.#527
09-24-2007, 08:14 PM
Originally posted by RaptorLover
Which one will be the best to buy ? which one is the most powerfullest ? , best power to weight ? for mx and enduro ?

the mx nationals u can only have a 450 or smaller

pual0101
09-26-2007, 08:01 AM
The word from a few GNCC guys hopping on KTM next year, the 450 is a beast and just great power all through the RPMS
The 525 is from what a hear an extremely fast rev'r with a ton of power, almost too much to ride effectively(through the woods atleast was my understanding) And this was from an XC-1 guy. .
I like that kind of power hahaha

pual0101
09-26-2007, 08:08 AM
EDIT: double post

QIKLTR
10-08-2007, 10:42 AM
i heared the same thing about the 525 having to much power for the woods but you can always ride it in a gear higher to keep the power down a bit....and have a ton more just a gear shift away!!

mudrunner35
10-10-2007, 07:21 PM
more info on the ktm's

http://www.ktm.com/ATV.100153.4.html

inthewoods10
10-31-2007, 07:51 PM
49 vs 53 hp atthe crank is what is advertised , so very comparable between the two motors, as for too much power, your xc1 riders do extreme amounts of motor work anyway so its what you get used to riding. The big difference is where the power is being made, the 525 makes morepower lower in the rpms, so if you like reving it out, 450 my be the way to go, if you like low end torq 525, both will be equally fast at top end. Both machines are within onces of each other in weight. if you buy 525 you can bolt on a 450 motor if you like , absolutely no differences besides the motor.

Jawbone
10-31-2007, 09:59 PM
I was surprised that I was allowed to take it out for a spin. The throtle responce is more exact and fluid then any other sport quad. The weight distribution is as close to perfect that I have ridden. I can't see any downside to the 525 outside of comp limitations and the price. I think I may have an 07 and 06 yfz for sale.

If the similarities from the 450 and 525 bikes transfer to the quad, then I would think the only way to go is the 525.

I pulled the check book out and then realized that the bike was a demo. It had developed one or two oil leaks and the undercarage was damaged. Too bad. I was looking forward to building a dual stack gradge.

Quad_Runner
11-01-2007, 04:55 AM
Originally posted by Jawbone
I was surprised that I was allowed to take it out for a spin. The throtle responce is more exact and fluid then any other sport quad. The weight distribution is as close to perfect that I have ridden. I can't see any downside to the 525 outside of comp limitations and the price. I think I may have an 07 and 06 yfz for sale.

If the similarities from the 450 and 525 bikes transfer to the quad, then I would think the only way to go is the 525.

I pulled the check book out and then realized that the bike was a demo. It had developed one or two oil leaks and the undercarage was damaged. Too bad. I was looking forward to building a dual stack gradge.

I've heard of oil leaks on the KTM powered Polaris's. Is there a problem to worry about on these motors?

Jawbone
11-01-2007, 08:35 AM
Originally posted by Quad_Runner
I've heard of oil leaks on the KTM powered Polaris's. Is there a problem to worry about on these motors?

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It lookied as though the shifter seal was leaking. I didn't remove the under guard to see the other leak. Being a cross country rider the case looks very vulnerable and would need to have better protection before a rocky ride. The bikes are great so I don't see any reason why the oil leaks couldn't be contained. It just didn't sit right buying a 10k quad with any flaws.

ingleful
11-02-2007, 04:24 PM
450>525....at nationals and what not you can only run a 450.....and who needs a 525???really 450's good enough.:)

inthewoods10
11-03-2007, 09:07 AM
525 is the limit in gncc for pro classes, and the big diff between 450 and 525 isn't the power per say but where its made, 525 tends to be more torq and power at lower rpms, it really depends on how you like to ride , high reving or low on the throttle range