PIRANHA YX 140 VS PIRANHA 125! | TOP SPEED | WHICH ONE TO BUY!
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- Опубликовано: 2 авг 2024
- This is a subscriber requested video.
The question was how fast is the piranha 140cc?
So I decided to do a top speed test on the piranha 140 and the piranha 125cc.
Which bike is faster? How much faster is one vs the other? Watch the video to find out!
Enjoy!
Bikes:
White with Stickers: Pitster Pro X2 with Piranha yx140cc
dirt tires, oem cdi, 1/8 quick throttle, aftermarket exhaust
white with orange: Honda Crf50 with Piranha yx125cc
Kenda Motard tires, Blue race cdi, 1/8 quick throttle, BBR Exhaust, BBR Rims, BBR forks and triple clamps
The Honda is about 20-30lbs lighter then the Pitster pro! 
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My buddy and I follow you. I just finished a 70 cc with a 90cc parana motor from tbolt. Now working on a125,with 140 parana also from tbolt. Ready to start it and ride, but waiting on custom cables to be done. I have 17 teeth sprocket in front and 35 in the back on both bikes. I raced the teenager down the street from me about a week ago on his ssr 125 and almost beat him in 2 drag races up our street. Was almost about to pass him as my ram's were still climbing, but we both had to start slowing down for the stop sign. Next run was rolling into second gear on the next street over. I smoked him on that run and he is about 70 pounds lighter than me.🤣 tbolt is the shit and I can't wait to have the 140 going with the same sprockets. Love your videos man, keep it up
Thanks for the support!
That’s awesome haha those gearing really give you that top end. The 140 will scream! Love that engine
Loving your videos im from Australia been a pit bike lover for 15 years or more unfortunately they aren't as popular over here i just bought a old school genuine thumpstar 2007 model to play with and will probably get a pitster pro as well soon but harder to get over here
Convince a few friends to get em and make it popular. I have snowmobile, atv, big dirtbike and jet ski. The pitbike is the only thing I could never see getting rid of lol
And those thumpstars are really fun. We used to have one and it was a great bike to wheelie
@@slavsquad got afew mates keen i actually just bought 2 crf50s one built from all American parts and a tb race head and 88 kit keen to hit the bush
@@t-rev86 those are sweet bikes. The smaller bike in this video started off as a crf50 with a 88 big bore kit. But I swapped a piranha 125 in it
If both motors are pulling the same rpm's at the top end and have adequate torque to get there with identical gearing being used the top end speed should be basically identical, the higher HP motor may get there quicker but is still limited in actual speed by the rpm, and gearing.
The larger more p[owerful motor though should be able to run a taller gear and still reach top rpm than the less powerful motor and this is where you gain all the benefits from the larger more powerful engine as far as raw speed difference is concerned.
To go faster you have to increase how fast the tire is rolling either through gearing or turning it faster due to a higher achieved rpm of the motor.
You can always gear the bike for more speed at the cost of acceleration and hill climbing power.
Speed is not the end all advantage to installing the larger more powerful engine.
What are the sprocket setups?
What is the speedometer app called ?
Hey are those Honda plastics on the 125? If so what year/size bike did your order plastics for that fit on your pit bike?
They are just a Pit bike plastics. Look up pitbike plastics on eBay and there’s a bunch of those. Just look at the style so it matches
Great video well explained. But both bikes have different rear sprockets that's changing the gear ratio. That 140 if you brought it down to a 37 tooth sprocket that thing would fly.
Thank you! Yeah I changed the sprocket on the 140 and it flys. Both are oem engines. I have to see how big the rear is on the 125. On the 140 it’s a 39t
I changed to a 17 front and 35 rear
@@slavsquad yeah 17 front and 35 rear yeah the bike move top end
@@G-Boyz.Outside yup! Now it does 55+
Haven’t fully tested total top speed but did 55 easy
@@slavsquad yeah that's definitely moving along
Put a 17-18 tooth on the front of the 140 and a 37 on rear and that will take off
You cant compare the bikes unless the equipment is the same. The 125 had street tires. The carb tuning. etc lol this isnt an accurate demonstration. I have a 125cc and its great, but my 140 is definitely a step up. Especially when you have it tuned right.
I was very surprised what the difference in the speed with both of them but you are still getting a bigger frame with the 140 bike and probably depending on how much you weight is well on both motors
Yeah the 140 defiantly weighs a good 20-30 pounds more. Plus the 125 is on street tires so that helps a little.
I ordered street tries for the 140 so will see if that plays any big roll. Then maybe do different sprocket sizes
oh i got full size apollo z20 max, plus the sprocket and the carb as well with a stage 2 filter and a performance exhaust system lol
@@topspeed8287 sounds pretty legit!
Hi, what upgrade Did you do on the 125 engine? I see a huge air filter... What else? Can you tell me please?
I just install UNI air filters and that’s it engine wise. I tried a racing cdi but it didn’t do anything (maybe I got a knockoff racing cdi 🤷🏻♂️)
@@slavsquad thank you bro!
@@slavsquad one more question bro, Does power only make difference air filter?
@@slavsquad I mean, does that filter add extra power?
You should get a yx160 engine in that crf50 size bike, will turn it into an animal🔥
I don’t doubt it! I’m holding that bike for my daughter so I’m gonna keep it at 125cc for now but maybe I’ll build another bike to go crazy lol
@@slavsquad yeah that would be sick! Check out my full 160cc race build it’s on my channel, it literally has every upgrade done to it! I spent quite a lot of Time and money building it 😂
What app are you using?
It’s called speedometer
Pit bike strom v2
Lifan 125cc motor off eBay would smoke both of those
I’ve had a Lifan. Definitely not a fan 😬
but the 17tooth sprocket on it and the 125cc will go faster the the stock 140cc
with bigger jets too ops lol for the carb
@@topspeed8287 I don’t doubt it. I did that with the 140 and helped a ton. Will do an update with new sprockets soon
My cfr 50 with a 140cc hits 68mph 250lbs rider
Probably elevation difference
Been hearing similar stories
I’m in the PNW so we’re 1850 elevation
Put a 19 tooth front sprocket 20 mm on both of them I got an 18 tooth on mine 20 mm I'll get about 55
Not bad! I ended up doing 17 front and 37 rear I believe. I got 60mph on the piranha 140
@@slavsquad Nice my rear is stuck but the front is 18 tooth
@@brandonwhite-rh2rz if you change the rear you should gain another 5mph
my 140 hit 43mph
Maybe you have different weight on the bike. Maybe elevation 🤷🏻♂️
@@slavsquad yeah the reason why my mikuni carbs fuel screw fell out and i couldnt figure out why it was backfiring till i looked and saw that so i plugged it with a screw and its rich so ima use my main jets thingy in the slide to adjust that leaner
@@3dwezzy740 that makes more sense
My ssr 110 hits 43-44 with pipe, cdi, and carb
my 140 hit 62mph
Both bikes revving high but not going anywhere hahahah slow as fuck
I was suprised how slow you went not to be rude but my 125 that is 15 years old is faster
You must be in the east? I know a few people said there’s were faster with same engine and everything. Elevation makes a good difference
Your 15 year old 125 is probably a 2 stroke lol
Don't buy yx mine packed up in 3months light use no abuse cracked inner engine case after kickstart packed up
My 125 lasted 12 years and going with very hard use and my 140 has lasted 2-3 years now and going. We
Abuse these things. You may have just had a faulty one or something. File an complaint and get a new one if possible
Original engine in c90 27 years still sweet didn't expect the yx 140 to last an age but would hav been happy with 4years from new
@@andtewridgway8000 yeah it’s disappointing that it didn’t last you anytime at all. Impressive for the 90
Nibbi carb!
honda graphics 🤣 honestly hilarious
The one with gold wheels is a Honda xr50 with upgrades lol