yamaha dt 125re (170cc athena) top speed

top speed +- 150 on gps
-Athena 170cc cilinder kit
-stock crankshaft
-jettings 280 and 270 on original carb
-unlocked ypvs valve
-modified intake
-complete line DEP exhaust
filmed with gopro hero 2 full hd
( the bike i pass in the video is my brother riding 85 km/h with his mbk)
0-100km/h in 5.7sec
BIKE IS SOLD

[altothep]

Nice top speed but it really dangerous to drive in the city over 140

[vdwbjorn]

sure

my complete spec is
-athena cilinder kit
-full DEP exhoust
- turned of my rpm limiter
- removed the snorkel above my air filter
-my jets are 280 gas jet and idle 270(Original 28mm mikuni carb) or it could be 270, 260
-cross spark plug ngk ( nr9)
-my sprocket is 16-57(supermotard rims)

(the bike is sold now)

[ldarrall]

i love the way some people on here say its fake, being a dt owner myself i know with a full athena kit, 280 jets and full dep exhaust that is exactly how it goes, i know people with basically the same set up and they keep up with my mates ninja 600 on acceleration and make an r6 look silly, my old dt had standard jetting, full dep exhaust and derestricion wire done and kept up with an r6 untili hit 70 then it slowly pulled away from me, love the sound of that dt tho, absolute animal

[socamirkovic]

Something is wrong with your speedometer ? 150kmh through
city ?

[blueghostx]

What's your setup? carbon reeds, main, pilot jets and others ?

[vdwbjorn]

allot of difference :)
i had about 4000 km with it and no problems

bottom end standardt
just warm it up nicely and it will be ok

[jonaskahl]

150 km/h on GPS?! 😱 Very fast for the Athena kit! Or just supermoto rims with the original (enduro) speedometer in?

[MCGREIFERRAIDERS]

What carburettor do you use(jet sizes etc)? Did you fit a larger reed valve? How about the engine intake? Where did you find these components? -General setup.

[vdwbjorn]

yep its fast indeed
3 years back when i bought it its limit was 108 km/h :)
did some changes now :D
ps nice vids you upload

[PantsuGod]

Damn! yamaha's dt may well be the best enduro out there. I want to get a wr 125 because it's an enduro and souds amazing, but I want this as well because it's so powerful

[hgs]

for all the one saying athena is a torque cylinder, it´s not, it´s a cylinder shity  port map, you need a custom made exhaust and porting to really get some power!

[erlingrolstad]

Why not cut the wire to the districtor? I cut mine and isnt able to make it work.. but why? The wire doesent go anywhere🤔

[robhayter]

That’s a real good way to watch it go bang

[tyren]

Hoe kan ik zorgen dat ik meer toeren kan maken heb zelf ook zo een cilinder heb je een linkje voot een bombine of zoiets?

[nosignal]

The video isn't edited, it's just 2 stroke power. Although i think it's stupid to put an 170cc cilinder on this bike. Just port the original cylinder and you'll end up with more power. Mine accelerates like this but now with the offroad tires the top speed did went down significantly

[maekine]

You can find power testes on Athenas pages. With 170cc athena, 30mm carb and with athenas exhaust you can get about 30hp.
Its not "powercylinder" its Torquecylinder"... 7-8sec might be realistic acceleration.

[lanciayhf]

Hi! Did you also change the connecting rod to mount the Athena kit or did you use the original connecting rod? thank you

[davidbriggs]

Soo waiting for that to pinch up!
Glad it didn't tho! Would have loved one of these kits on my DT back in the day! 2001 dtr 125 owner! Loved it good fun bikes and bullet proof sort of 😋

[vdwbjorn]

actually i dont have a clue how much rpm i am doing
just listening to the sound of the engine :)

[cermaz]

Can you tell me the exact setup you had? I have the 170 cc athena kit with original carburator and i can't get over 120kmh an hour even if i use 17-57 as sprockets. ive tried 15-57 and i can still get 115 kmh but with great acceleartion. But i would love to know what was the setup. My spark plug is a bit like light brown so i think i would need more fuel? But should i get a 32-34 mm carburator or get 250-280 jet or what its called instead of 210 which i believe is stock?