GO KART TECH: IAME X30 vs Rotax Senior Max EVO Dyno Results - POWER REPUBLIC
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- čas přidán 6. 09. 2024
- In this week's go kart tech video we're showing you the differences between the IAME X30 and the Rotax Senior Max 125 engines on the dyno.
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Rotax Evo seems like a much nicer package. Plenty more torque too.
The EVO is excellent especially if your track has lots of slow to mid range corners.
I am waiting for the rebuild video for the x30 and Rotax max evo 😝
👍
hello. Am I in a championship where evos and x30 engines race together? Which one should I choose to be faster?
Which track are you at ? If it’s mega long straights then maybe x30. Lots of corners , maybe Rotax
You should also do a video explaining how to do carburetion and the various part of the carburetor of the Rotax Max.
It would be very interesting since it's a "complicated" part for someone at the beginning
Thanks a lot♥️
Hey Riccardo, we have a video on the servicing of the Rotax max carb, have you seen that one? it's one of the first ones. is there anything in particular that your having troubles with?
Best kart channel! Great videos Derek, keep it up
Thanks mate, got any suggestions or problems you are having with your kart?
I do! How to change an axle 😁
Power Republic Also, does it matter what height your engine sprocket is to the axle sprocket?
czcams.com/video/uSCl5jIhb0M/video.html check this one out
Only for rubbing on the chain guard and clutch cover
Is there any power upgrades for the evo
there is a new cylinder on the way in 2024
I would like to add to my first question to help clarify. I know from your very helpful comments and video that these two engine choices would come down to the track. More technical tracks with challenging conditions (Rotax) longer straight away tracks with hot and dry conditions (X30) That being said if you can only choose one engine and travel throughout Europe which engine class would give you more opportunities to compete at the highest level?
Thank you ,
Jud
that I am not sure, but would depend on the tracks you want to go to and the competition level you are racing at. go with a Rotax if you are new and not decided and them travel to those events I suppose
Cool videos mate! I've learned a lot with you! Keep it up!
Thanks Rui, appreciate the positive vibes
@@PowerRepublic 🤙👌
What are the pros and cons this engine compare to the vortex rok engine?
If you are TAG 125 racing, you can’t beat the IaAMe x30 atm
Hi derek, nice video....its possible to make an engine-graphic for the dd2?and videos for the installation & regulation of the schifterpedel and schiftropes for dd2...changing of rear axle for the dd2.........thanks bro...
sure can my friend, we only just took delivery of the DD2 last week so stay tuned over the next few weeks
Great video.
Wonder if you could compare an X30 with new exhaust and carby versus pre-2018?
Thanks mate. I have done before and can find the info from when it was realised
@@PowerRepublic I would like that very much as well..
Can we have a comparison between both in regards to slipstreams
Hi Mohamed, great suggestion, are you talking on the main straight with mychron data or something else?
What would you recommend is easier for the mechanic iame x30 or rotax
same, both are easy to work on and need very little maintence
My favourite channel
Ciao Maurizio
Power Republic, ciao boss!
Nice to see! Forgive my ignorance but isn't the X30 able to go up to 15000+ RPM? If so, is there a reason you didn't run it that fast?
Yeah they can run to 16k. But with the gear ratio we have, we use this rpm range for ease of comparison
I was hitting 16200 constantly during race, it might blow up one day lol
@@vincentaxm8322 gear it for 15.800 anything after that is just engine wear and no real advantage.
I've removed the restrictor from my Evo. Haven't had a chance to try it out yet. What would be the biggest difference?
take off about 4-6 teeth off the rear or go up one front sprocket and send it! the engine has heaps more mid range and will pull the lower gearing, so your top speed should go up about 5-8kph
Dez, any thoughts on KA further penalizing the Rotax with weight? It would appear from the first few AKC rounds this year, the Rotax is no longer as competitive.
Maybe once the winter temps come back we will see. definently made the X30 back in game thats fo sure
Quick question, you say red lines of around 14000 and 16000 but clearly power has dropped off long befor that. Rotax making power from sort of 7 to 11000 and x30 more 8 to 12000 whats going on after that? Just looking at the graphs you would asume both engines seem to have a good 4000rpm of strong useable power befor they start to drop off, why would anyone consider holding on for another 3000rpm to red line only to keep loosing power? I would love to see whats happening on the dyno graph, power wise, right up to the red line.
that's right JND, the top end revs of most 2 strokes run out of power. the bulk of most engines 'power' is in a 5k rev range. being single speed racers, gear ratio selection is critical for passing your competition.
Great video once again.
Thanks Warren
Hey there, do you have any dyno comparison between engines like the X30 with the old exhaust pipes (the ones that you can use that flexible arm and change the lenght), i wanted to check exactly how the lengh change of the flexible alters rpm in which the peak torque happens.f
no I don't have those exactly, but I can tell you that a longer pipe moves the power to the bottom end and a shorter pipe takes the power from the bottom end and adds it to the top end. similar to lifting or lowering the cylinder base gaskets
@@PowerRepublicThanks! But It shifts the torque/power curve so you get the peak torque in a higher speed? Or does it stay the same and just takes from one side and adds to the other (kinda of changing the shape of the curve entirely) ?
Is the new cylinder better? I have read it in several places, but in some they say it is better and in others they say it is worse
have you done any work on the new x125 green tops? wondering if you can do a comparison between an x30 and that.
Another very insightful Derek, as I race a Rotax against X30’s here in the US.. One question though, when it comes to determining the best gearing to use, what do you look at? Minimum/Max RPMs? Or should you target a certain average RPM for the whole lap? And if so, what might you recommend for the Rotax EVO?
Hey Jase, I would look for you top KPH and make sure you are not low at the end of the main straight (compared to your competitors). The X30's run 8-12 teeth more than the Rotax but rev nearly 2000 rpm more, so maybe try lowering your Gear ratio's so that at the end of the main straight you are only at 13600-13800 rpm but your KPH speed is increasing. If you take teeth off and the top speed is not increasing then your not gaining by taking teeth off and you will have to re-investigate.
@@PowerRepublic it can also be track dependent with the evo , we have on track here with very long gearing , max 13000 rpm , its the quickest way around with max kph as well , another its 14500 to get max kph . so testing is the only way
yeah those short twisty tracks you can gear them up a little to rev harder, but KPH will be down. then the long tracks gear down and the speed will be up. super flexible engine
thanks for the videos.
would you run different engines at different tracks, so you have the best engine for that track?
Or stay with the one brand.
If you could that would be awesome, however I see fast drivers win in either engine. I don't think there is a clear winner at all tracks in this category. What class do you race in?
I drive on a 720 m longe track. And There are 11 corners. And were i live ist cold. So rotax right🙃🙂
no.....this is crank hp. With the X30 you can gear it differently and so REAR WHEEL HP may be the same or more.
Super helpful thanks
your very welcome Mark
Hey mate awesome video! Great content! Just a question for the evo senior max restricted I have read of people limiting full throttle in them as because of the restrictor installed. Is this true? Cheers jake
Hey Jake, I don't in mine, we run them WOT all the time. It used to work on the non evo spec motors, I think it helped with bottom end performance and also at the top RPM when the ignition curve ramps up for the "KERS' effect above 12000 rpm
Hey man. I'm running an X5 in KA3 and i'm wondering if i should invest in a set of OTK MXC rims? Cheers
Hey mate, they are super popular with the KA drivers here in Queensland. If you have the budget I say go for it, especially in the hotter months of the year
Great video, what was the pipe length on the x30 for the test?
that was the fixed length new style X30 exhaust
Hi Dez, I got my Evo done recently with a full rebuild & it only got 29.99 max hp on the dyno. Question: How many ponies can you squeeze from an Evo? 33, 35? I know 30hp is pretty ok but if the top guys eek out 33+ then I'm racing with a deficit of 10% or so less horsepower. At the pointy end of the field that's too much. What's a gun Evo pumping out these days? Cheers mate..
all dyno have small variations. best bet is to ask your dyno guy to compare your engine to other Rotax's they have had on their dyno's. then ya know whuzz up
@@PowerRepublic Solid logic, I'll do this. Thanks again.
I am moving to Europe to compete in Karting. I would like to compete at the highest level in the 125cc class all over Europe. How do I decide on which engine to choose in relation to the Rotax or x30. They seem equal. What would you choose if you were me.
Thank you ,
Jud
get the rotax, as they are awesome fun and you could qualify for the world finals if you are on your game!
If you want to compete at the highest level then OKJ or OK (the ones used in European and world champs), if your looking at rotax or x30 then x30 definitely has a much bigger scene in European racing that rotax so I’d go for x30
Awesome video mate! Question for you, What would be your preference between X30 and Rotax? Ive only ever run a Rotax in 125 classes (other than KT light many years ago outside running a Rotax) and always struggled with the drive-ability of them, or more precisely you just have to be super patient on the throttle. have been tossing up switching to X30 to get around that or just keep running what ive already got
The new EVO style Rotax’s (Or EVO upgraded old style rotaxs) have fixed almost all of the throttle problems of the old style carbies and power valves IMO. Otherwise if you’re a KT style driver, you are going to love the power delivery of the X30. If you have the budget get the X30 in this instance.
Can you compare the rotax junior evo with the non evo junior, and OK senior with Rotax senior evo?
you cant sck at karting anymore than i do (where do you race?)
MJBM Racing. In Denmark. :)
@@isuckatkarting8450 oh, cheers from Australia
I haven't got the OK senior here in Australia for that comparison, but we do have the JMax's. When I get some in soon I will do a part 3 for you
Power Republic awesome👍
Nice video👍
Thank you
I have a iame 100cc restricted engine, if i were to take the restrictor out would i be able too keep up with a 125 senior max?
the KA100 engine? Not really, unless you were way under weight and even then it would be hard work
@@PowerRepublicthanks! so would i be better off getting a rotax once i step into seniors?
@@benbuenen7378 I wouldn't think so. If your running the KA in juniors (Class KA4) then you can go to the KA3 Class which runs the KA unrestricted. You wont be racing 125's you'll be racing other 100's.
it depends on what type of racing you do. if mostly club stuff, watch the club days to see where the biggest field is with the best drivers and join that class. either KA100, Iame x30 or Rotax 125. if national level, pro tour get the rotax obviously and for KA events you can race the KA100, the X30 or the Rotax. what level of karting do you do the most?
@@PowerRepublic club racing the most as it is only my first year. you have been such a great help cant thank you enough
What top speed is the Rotax max go in kmh
Normally about 105KPH with a 12 / 78 at our local track
Depends on curcuit
are iame´s x30 similar to kf3´s?
Matiss Toffolo I think they have similar bottom ends, I have a kf3 and it is quicker than x30 and rotax
@@bradleydavies-calder7864 do you think the kf3 engines iame vortex or tm with kf2 cdi exhaust and 24mm are faster than iame x30 or rotax max senior?
I use also a vortex kf3 engine with 24 ibea and i was thinking to soend some money for kf2 exhaust and cdi or was better to move for an iame x30.
I’d say they would be with a kf2 CDi mine is quicker than one now and it’s got a kf3 cdi
@@bradleydavies-calder7864 what carb are you using and what engine do you have ?
Iame kf3 tillotson carb