Dt170 vs ktm exc 125
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@ninja The DT is no where near that. 15 BHP Stock. And as our dear friend from overseas found out, a highly strung Belgarda made 24-25bhp on the dyno quite recently.
The MX/RS engines...yes and no.
Yes, they are Rotax 122 Go Kart Engines. But they are detuned for the Road. But Aprilia sell GP kits to bolt on and make them full power. But they are far from it stock. Around the 26bhp mark from new.
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@irongamer727 No, nowhere near 30 bhp.
Those Athena kits are poor. Two strokes work best with square engines. Throwing a big bore on it just makes it overly square, same thing with the old dt mx 125 175, practically same engine, bigger bores.
So what do you get. Well you lose over rev for starters. You lose the ability to obtain high peaky power. Instead you exchange that tor torque, as I already said, it will probably have more torque.
But it's not enough. In race engines, torque is only good on slow twisty tracks.
Once the engine is spun up, the inertia is going to help move it along. With the KTM, sure it'll lack low down grunt, but who races at 6k on a two stroke. No the engine will be maxxed out to 14k and will decimate the dt.
I'm not saying torque isn't important, as it most definitely is. The exc doesn't lack torque. But the extra torque gained from the Athena won't help it beat an EXC. You will just have to ride one to really understand.
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exc will win without a doubt, the DT might be faster off the line with the extra torque but it is also much heavier, I can't honestly tell which would be faster. However it's only a matter of a few seconds before that top end power kicks in and pushes the exc well past the DT. An exc is a 2-stroke enduro bike, it has weight and power on its side. Anyone who's ever ridden a 125 enduro bike should know the exc will kick the DTs arse.
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Im pretty sure the excs are restricted for emmissions, I belive the dealer adds another exhaust at purchase.
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@jens-eskildsen Again, it's an Enduro, they are not made for road use. So why woud they be restricted for emmisions. You may be riht. But I don't think they are.
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@terry-tz said in Dt170 vs ktm exc 125:
with a 170 kit on it could you not put a smaller sprocket on it for more top end then it would match the exc I mean I feel that it would be a waste but the 170 is a waste, to begin with in my opinion
A DTR with 170 Athena kit is no match for a 125EXC from a standing start the KTM will be in 3rd gear and away before the DT is even moving. I remember years ago my mate had an RE with one and he thought that it would be as fast as my old 2007 RM125 enduro spec. He soon found out that he might aswell of had a boat anchor on the DT lol
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@calum You forget an Enduro is road legal, it must meet the conditions and laws required to go on the road. However, Enduro bikes are not always required to follow emissions regulations, that mostly depends on what country and region you are in. For example, in Auverge (france) where I ride, enduro bikes have to follow the Euro 3 or 4 EU regulations depending on their model year. Enduros are not made for a track, they are designed to go on a set course not normally shorter than 10 miles that generally at certain points requires you to go on the road, mostly when crossing from one trail to another. So you saying Enduros aren't made to go on the road is not strictly true.
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@minia Again. I'm no expert, but pretty sure Enduro isn't desgined for road use. It's desgined for byways that cross roads and therefore should have the ability to be made road legal.
This differs as KTM sell road legal "kits" for their EXC but it's optional whether you want it. Therefore, you can buy EXC's which are not road legal.
It's not a road going production bike, therefore the same rules do not apply to it.
To the best of my knowledge, the EXC is a race bred engine, designed not for MX but for enduro use. You can assume then, there would be no restrictions.
As Scrim says, night and day due to the DT being a road going plodder.
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Perfectly happy with my road going plodder. Hopefully not have to rebuild engine for a long time, it's fast enough for me and I will not be a tit on it and get myself into danger. Done the speed thing and still have my 650 anyway but pretty much unused for a while now. No doubt the KTM will trounce the Dt but personally could not put up with keeping it on song on a regular basis. If I did enduros mind that is a different matter, but I don't. Did consider a 170 kit when I started rebuilding the 88 but in the end could not see the point, would only be trying to make it something it's not, more isn't always better. On a completely different note I was a complete tit today when I fuelled up with BP's finest diesel in the tank of the 125 mx I bought from scrim, had loads of nuns running after me thinking the Pope had died! Made it back home but bloody funny, don't think I will be getting the Nobel peace prize for the environment. All drained and fresh fuel put in, back to normal and had a decent ride around in the sunshine this afternoon.
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@oldman How, how did you manage that.
No I totally agree. I kid you not. I have had more fun on my DT doing 30 mph round roads near me, than full chat on it.
Or on my brothers YZ.
Obviously, when you take into account bigger bikes, whoopied do dah it's a 125 and I have an R1. Obviously no competition. But it is very impressive what they get out of it to say the least.
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@calum I'm not sure where you get your information from, Enduros are in almost all cases road legal. They aren't designed for the road but for trails and endurance courses as you say but they are allowed on the road as long as they have a headlight with dip and full beam, a rear brake light and 2 independant braking systems and meet all the technical and boring requirements. After that its a question of passing any technical inspections, being insured etc.
As for the exc, it is a road legal bike. Even if you buy one factory new, it's just a question of getting it registered and insured. However, I do know that the xcw is not an homologated bike despite being an enduro. As to how, well I'm not sure.
Also, KTM themselves never sold a "road legal kit", but I know they once sold what you could call extension kits for their crossers and enduro bikes. Which basically was a spare headlight and a larger tailplate attachment and indicators.
And you are correct, the exc is a race bred engine. It is in fact almost the exact same engine in the exc as the sx models. However Enduro bikes have much longer gearing than crossers. And some enduro bikes have even longer gearing.
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Didn't have my brain with me at the fuel station, started chugging and the massive clouds behind me suggested I had made an error! Never misfuelled before, put it down to my stupidity gene kicking in, did stop the car tailgating me up the hill though, bit like a secret weapon
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KTM EXC 2strokes comes with everything to make it fully street legal when you buy it new, indicators mirrors chainguard rear tailight with numberplate hanger rear reflector the lot all in the spares package along with some taller sprockets. The 2strokes do indeed come with a restricted exhaust even the 300,s do new. You also get a derestricted exhaust new in the spares package. The 125EXC engine is more or less the same engine as an SX but has taller ratios and slightly different suspension. The XC 2strokes "cant get a 125" have better suspension better gearbox, but come with lighting coil loom and electric start like the EXC so lights speedo etc are plug and play if you want it street legal.
My 2011 250XC 2stroke bought new road registered from new before I had even put all the lights on etc myself. Bare minimum trailtech horn dipbeam headlight front rear hydrolic brakelight switches.
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Sooooooooooooooooooooo let's broaden the spectrum a little bit.....................................
A KTM EXC Vs an Aprilia MX 125, which one is quicker ???
And we'll level the playing field with the EXC converted to SuMo trim, both with the same gearing, which one will win ???
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to be honest there all 125's chuck a can of beans down your throat and fart to the finish if your after speed and acceleration get a bigger bike I personally am not a fan of picking a bike based on numbers especially when there only gonna be like 2 mph difference it's not about what the bike can do its what you can do