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Is the LC4 the most powerfull single in the world?

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In the brochure that came with my LC4, it said that the 625cc LC4 may be the most powerfull production single in the world. I find that hard to believe. Can anyone confirm or deny this statement? I bet the old CR500 2 stroke put out more horsepower, but can anyone think of a more powerfull production four stroke motor? Just wondering?

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In terms of maximum top end HP the open class two strokes such as the KTM 550, CR500, KX500 and ATK 700 would be hard to beat, but a well-tuned Husaberg 650 four stroke would probably come the closest.

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I am not sure about power, but I know that Suzuki made a DR 800. That is the biggest single cylinder that I know off and haveing got a DR 600 and a DRZ 400, the DR 800 should pack a nice punch ... I just wonder how that thing must vibrate at high rev's.

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I guess it's the highest HP single dirtbike in production right now(except the ATK700). I have seen rear wheel dyno numbers at 62RWHP with only free mods(jetting,open air box). No doubt there are better dirt bikes, But in a drag race on the road I have no problem leaving a 525 KTM behind. You also have to figure in the extra 50lbs a LC4 carries. It's really usless information, Cuz dirt bikes t'aint about drag racing and MAX HP isn't that important for the majority of off road riding. I mean a guy on a 200EXC can smoke me through the woods if he knows how to ride, I have been passed by kids on 65's at the MX track too :banghead: I will have to say that for an all around dirt bike I love my SXC. It takes me all over the US from the valleys of Ohio to over 12Kft in the Rocky Mountains. It's a great "Do all machine" with lot's of HP and even more TORQUE that doesn't require constant rebuilds that many of the other high HP bikes will.

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The new CR500AF Service Honda's supposedly put out 72 HP stock... that's amazing. and for that ATK 700, that thing is a beast!

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1....I doubt the 72HP figure

2. The CR500 has not been factory produced in a few years. The Service Honda CR500 is a parts counter Frankenstein bike. Still ultracool, But not a factory bike.

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Has anyone seen the 06 625 SXC , does it come with black forks and frame like the 06 525's. Have they upgraded the forks from 23mm to 28mm.

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We didn't get a SXC this year in the States, Only the SM, and Adventure. If I recall they didn't have a black frame this year.

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...I will have to say that for an all around dirt bike I love my SXC. ... It's a great "Do all machine" with lot's of HP and even more TORQUE ...

I couldn't agree more. I replaced three bikes, an SV650, an XR650L, and a KTM 250 T/XC with the 625 SXC, and I can do anything on it that I could do on any of the others. All I need now is that extra set of rims.

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Aren't the KTM 660Rallye, and S1 Supermoto race bikes (from two years ago) technically prodution bikes? Those put out over 80hp. :applause:

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1....I doubt the 72HP figure

2. The CR500 has not been factory produced in a few years. The Service Honda CR500 is a parts counter Frankenstein bike. Still ultracool, But not a factory bike.

Likely crank HP..which is very believeable as that is only 7hp or so more than a bone stock KX500 from 1990.

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may be the most powerfull production single in the world

WHen they add "may be" they can say anything they want.

May be....

May NOT be........

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I would think that those Chech made speedway bikes are the most powerful, isn't there a brand called Jawa or something like that?

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