The Honda XR150L Gets Some CHEAP & EASY Added Power!
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- Опубликовано: 6 апр 2024
- It’s time to add a bit of power and responsiveness to the Honda XR150L, while also fixing how lean these things come from the factory! Today we’re de-restricting the stock XR150 air box in two different ways, then cracking open the carburetor to re-jet both the main jet and the pilot jet.
After taking off the air box snorkel, taking off the air filter screen, jetting the main jet to a 110, jetting the pilot jet to a 38, and adjusting the idle a bit, the XR150 is running better than ever!! She now starts right up on the first try, holds a strong idle, has a more snappy response, holds at speed better…the list goes on! For only $10, these changes can’t be beat 🙌🏻
The set of jets I used on the XR150- amzn.to/43MXDGo
@MishMashMoto's XR150L carb rejetting video- • 2023 Honda XR150L Main...
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I have a crf150l here in Indonesia. It's bit more of an off road oriented version, inverted forks, fuel injected, electric start but also has a kick starter (yours is blanked off). Your engine looks identical, if you want look up BRT Racing Indonesia. They make cams, big bore kits.....Good quality for little $. The big restriction is the intake port in the head. I ported my, got cam, valve springs, full no name exhaust and $20 ecu tune by local guy. My served me as "adv" bike for 7000 miles, it's awesome if you do 50 mph on tight roads or dirt. Now I have it in full dirt bike set up, 13t front, 55 rear sprocket, off road knobies, and it kicks ass on trails.
I swapped a 225cc crf kit to the xr150 ruclips.net/video/17QnME_hlPs/видео.htmlsi=seHEzR62Vs67jRge
I'm looking at this bike & I've been trying to see if there's any reliable "parts" to upgrade her? I grabbed the link you left us &
will check it out whenever I decide to buy. I'm closer & I know this is a proven bike. peace
I have the same bike in the philippines. I learned to start the bike the easiest is to push the electric start for 3 seconds and then give it throttle. Starts every time without choke. Before I was having problems starting first time in the morning even though it's a warmer climate.
It's weird. I was expecting a video titled "I just sold my soul, and bought an Indian FTR" 😁.
I wish!! 😂😂😂
I do like the Indian water-cooled bikes.
Your idea to remove the header to get the bowl off was genius. I changed the pilot to 38 and the main to 115. I also turned up the idle screw a quarter turn. I did not mess with the air box or the exhaust (it was too loud without the spark arrestor). Cold start today was perfect at 50 deg F., 600 ft elevation. Half choke started right up with no priming. 15 seconds later choke off had perfect idle. Top speed was still 57 mph but I am 215 lbs. I may try a different front sprocket next. Thanks
I recently went down a rabbit hole of looking into swapping this entire motor with a $300 Lifan CG250-style engine. The mounting holes look correctly spaced, and it provides a good bit more horsepower AND a kickstart. Might make for a neat wheelie machine.
Excellent video. You are learning as you go and that is the best way. I am glad the re-jetting went smoothly. I am also glad it’s not surging at 40 miles per hour. My first TW200 would do that. Again excellent vid.
I’m gonna do this with my carb but I was planning on using the 115 jet… I’m glad to see it really helps… keep up the great work!!!
lol I love this video man, gets better and better the further you get into the video. From “just smash it” to poor Greta screaming “how dare you” while you drain the fuel on the floor… then the idle adjustment screw… topping it off with your “review” “yep it’s good” lol yet another awesome video Mike!
Keep up the great work dude!
😂😂😂 thanks dude!! I wish I had thought to put a Greta clip after showing the gas on the ground lmao
Thanks man I did all of your mods and I feel the bike is a little more torquier, little more throttle response now. The jets were super easy to do thanks to your method.
Also Harbor Freight sells a right angle screwdriver for $3 perfect for the carb job.
I did this exact technique to change the jetting after I watch this video and by far the superior technique. That’s if you have small enough tools lol thank you bro
Great video Burch !!! 🤙🏽
So excited to see u fixed the carb start-up issue with the "jetting".. waiting to see if you jet the navi yet. As i said thanx to u and all ur videos im purchasing the 2023 navi NEXT WEEK! Im so excited to finally come on over into the bike scene (even if I'm starting with an automatic mini moto) lol.. i want to do most of all the modz u did for the navi. So i really hope u do jet the navi :) ride safe.
I did the exact same change on my XR150L, runs smooth!. Is more responsive. Great way to add power!
The jetting (needle adjustment also) will surly help all the way around. The pipe & slip-on with jetting will also be a small but noticeable positive.
Honda put the fuel petcock with catch bowl on for two reasons. The fuel valve is supposed to "off" when you park the bike because the weight of the fuel in the tank is always pushing on that float needle & seat. If for any number of reasons fuel were to slowly trickle by the float seat & needle, the fuel will flow either to the carb overflow tube or worse into the engine, cylinder past the piston rings and into the engine where it will dilute the motor oil which is bad over time. People often just forget this, but it does happen and repeated over time is bad. The bowl below the fuel valve is to catch water and sediment from getting to the carburetor and crating problems there. You unscrew the bowl and empty it out taking note of what comes out. Over time you will see the see what comes out as the seasons and miles go by. All this information and much more used to come in the owner's manual. Hopefully new bikes will continue to provide these manuals even though people seem to be proud to say they never read them. As mechanics will often tell people "that problem could have been avoided if you read the owner's manual.
That screen you took out of the airbox is a flame arrestor to stop your air filter from catching fire if engine backfires. The black baffle was designed to bring in air from that area but help redirect hot air that flows over the engine from going right into the air intake, it also helps lower the intake sound.
Taking those things out of the intake does nothing to help and may even hurt power, ether way the amount it could help any power issues would not be measurable. Although even a little hot air would a be measurable negative. So often riders will believe they are getting more power from doing things that just make the engine louder, in truth it's not a way to judge performance. Discounting the noise and feeling the responsiveness of carb jetting is a better way.
Nice, you should raise the needle one notch to enrich the middle throttle range too!
The pilot jet is bottom, idle, and the main jet is 3/4 throttle and WOT. The needle (acting as an adjustable valve in the atomizer) blends them together.
How do you do that?
My needle has only one setting
9:51 💯 correct. It's the same concept for the Navi too. It made a huge difference! And once you've figured out your bikes jets. That's it. It's set forever unless you modify the intake or exhaust again
I had this bike a few years ago, and re jetting is the best thing you can do to it. They come stupidly lean and as you experienced, after re jetting works much much better
Y'know it's Sunday when Burch uploads another high quality banger.
(Thanks for being a way to know another week has gone by..)
Happy to be a marker of time for you 🫡😂 Also, peep the thumbnail! That jacket you sent me stands out so well for thumbnails 🙌🏻🤘🏻
@LifeOfBurch Nice, I saw that and I was wondering if that was it lol, I'm glad it looks orange at least in the thumbnail, on the website it was called "Copper Orange" or something, and I wasn't positive how it'd look in person.
The best way to start the xr150 is to put the choke all the way up and when you press the ignition give it gas and hold it for about 10 seconds, after that put it to half choke right after letting go of the throttle to let it idle. Also note that the bike will always die on full choke unless youre giving it gas.
The xr150l has a hard start unless you do the "give 'er gas on full choke" method, i guess its because it makes the fuel richer and the longer you give it gas on full choke the more rich fuel mixes in the engine. Because ive noticed that if i give it 30 seconds of gas on full choke and then switch to half choke to let it idle it actually idles really good and fast-ish and doesnt sound like its about to die every second lmao.
Good work
Fun fact, that metal filter helps to not light your air filter on fire in the event of a pre-fire. Love your videos, thx. 🙏
Every foam filter I have purchased all list that their flame retardant, so the prefire plate is pretty pointless. Not to mention the only time I've ever had prefire is when I've drowned the bike with gasoline/starter fluid or it was running WAY too rich through the jets.
As someone who currently has 7 bikes in my stable, from Harley's down to my little Honda C70, none of my bikes have that screen. If any bike would need it, it would be my 2004 KTM 450EXC, never had an issue. Just picked up a 2025 XR150, will be doing some of the mods, just for a little more pep.
@@michaelconran5252what mods are you considering doing?
@@DSteel5408 it is a 2024, typo. Already modified the exhaust and air box. When my Jets come in I will reject the carburetor and reset the idle. The rest is all comfort stuff. Grip heaters, bar risers, Rokform mount, (we use them on Harley's) pigtail for trickle charger and charge phone. Also a plug in kit for my electric riding gear in cold weather. I have written in 20° weather with no issues going over 70 mph. Putting on brush guards with signals in them. Better foot pegs, this will be almost exclusively dirt roads. Everything is on order.
@@michaelconran5252 you can get your bike over 70mph? Are you at sea level?
Thanks for the links!🔥👍
Crf swap ruclips.net/video/17QnME_hlPs/видео.htmlsi=seHEzR62Vs67jRge
Mishmash is the xr150l guru for sure.
Great vid, love it. Let me ask about your recording. When you have dialogue and are driving, do you record directly or do you do that in post and add the audio later? Personally, I use a bluetooth lav mic in my helmet and I get a fair bit of background noise, so I am wondering about your set up. It is good audio, see.
Good info, now that these bikes are cheaper I might pick one up.
Pretty sure someone in the comments might of already said it, and I don't know if Burch will see this comment, but the snorkel that you said you have no idea what it does besides limit airflow says it's function in the name.. "Snorkel", it's designed to keep water at bay hence the flared ends of the intake tubes on it, Honda has no idea what people are going to do with these bikes, especially when cleaning with a pressure washer, so they try to mitigate any and all potential for water to unintentionally enter the airbox, all manufacturers do this to some extent.
Bubble bike!!!! I first discovered this phenomenon with Bikes & Beards. Frickin hilarious
dude is humble on knowledge and thats how u learn more ! good channel
Crf swap ruclips.net/video/17QnME_hlPs/видео.htmlsi=seHEzR62Vs67jRge
I just bought a 2024 two days ago. Nice bike. I am far from a beginner. This is bike #7 currently in the stable. Wife and I both ride and both have Harley Softails. I even have a 2004 KTM 450EXC, but honestly don't ride it like it should be ridden. This little XR is perfect for the way I intend to use it. I can tell you from personal experience, the little Honda was a better financial decision than my 2020 Harley😂.
I'm between buying this and a Rebel 300. I just want to ride to church Saturdays for Deacons meetings and around Philly. What's your thoughts. I'm seeing max speeds at 50 to 60 mph.
@@TrezureRoxxEntertainment your weight plays a big part for top speed. If you plan on some rides on dirt roads or light trail riding, the XR is a better choice of course. If any bike you'll buy will never see dirt, the Rebel all day. For comfort and strictly paved roads, the 300 is the way to go. The XR is half the price if that is a concern. If I could only have one bike, I would just have my Harley. If this is your first bike, it is a drug, you will want another and another. The number of bikes you should own is one more than you got.
Great video. That little bastard looks like a fun ride
"You know whatever" famous last words lol JK. Great video man keep it up!!
The snorkel is to smooth out and speed up the air flow while reducing the suction sound. While giving the bike a user friendly and smoother power band.🤔🤔🤔
The metal screen is a safety feature incase of a backfire
I’ll recommend to also change the air filter for one with a metal screen like the K&N style.
K&N might actually give you more performance on the road but is proven to allow more dirt through. Not recommended for off-road use, highway only.
First, glad to see you back home safe and modding the Hondas again!
Ayyy let’s go!! 🙌🏻🏆🤘🏻
Crf swap ruclips.net/video/17QnME_hlPs/видео.htmlsi=seHEzR62Vs67jRge
What handguards are you using?
that's really cool yoshimura cerikoted a pipe for you. that's unexpected
The snorkel is there so it’s a clean way to get air before the filter when driving off road so no water gets sucked in other than that yes restrictions
Could drill a big enough
Hole in screen and put a hook in there or something stuck in there to pull it out with
How did this affect mileage?
Adjust the air fuel screw, it helps with start up and idle.
What about the fuel mixture screw? When I re-jetted my DR650 I had to open it up quite a bit.
Looking at the parts list it does have one. It appears to have a plug over it. The plug should be easy to remove. Drill a small hole in it and screw a screw in a bit and wriggle it out. If you draw an imaginary line down the side of your carb, if it’s on the engine side it’s a fuel mixture screw. If it’s on the airbox half it’s an air mixture screw. I couldn’t tell by the parts diagram where it connected to the carb.
Try a bigger main jet and maybe get some more top end
You can always hope your air filter doesn't break up and get sucked into your carb and engine. Bike sounds good man 👍🏻
Yea those were mods I wouldn't be doing, but his bike so have at it
@@scotteger6271 I've been riding since I was 6 (28 now), have raced multiple motorcross tournaments, have owned 5 different dirtbikes and 3 four wheelers that all used foam filters, and not ONCE have I ever had a filter disintegrate in the way you and Kalaharimine are worried about. Keep in mind these are machines that I maintain and take care of myself, I HAVE seen a foam filter melt apart on an old bike, I mean like OLD OLD, early 1990s bike that was sitting outside for 10 years I was looking into one time. As long as you maintain your filter to the absolute most bare minimum standard, it will NEVER fall apart on you and get sucked into the motor as you would catch any deterioration or seam fraying well before it got to that point, they don't just "break up" without giving AMPLE warning beforehand.
@@akustaka not my concern but I wouldn't be removing the air ram/snorkel or the screen...it's designed that way for a reason...lots of other ways to make it run slightly better.
Such as? @@scotteger6271
The ikea special😂 the new mid pipe pulls the whole bike together!
Right?! I didn’t realize how much of an eyesore the black header was until I swapped it out 😳
@@LifeOfBurchis this something that Yoshi is going to offer to regular customers? Like send your mid pipe and pay for cerakote? There's local cerakote shops where I live so I guess if they don't offer it I could have it done locally
@@scotteger6271 I have no idea, you’d have to reach out to them and ask. Even if it was something they did, I don’t know why the shipping cost and downtime would be worth it if you have somewhere local that does it. They told me the Cerakote color was “titanium” if you decide to do it locally though.
@@LifeOfBurch thanks appreciate you letting me know the cerakote color
Already got a klx 300. But the xr150 still sounds like a good buy. Would make an awesome in town / tractor of a trail bike
I was looking into a LKX300 but am deciding on the CRF250F instead and getting a street conversion mod through the DirtLegal website. Bike is 22 pounds lighter stock, has less crap to break like a waterpump, less maintenance from no coolant, no rads to get punctured while riding off road, much larger aftermarket support with a BBK being on my to-do list that will bump the displacement to 365, you don't HAVE to add an oil cooler even with the BBK but I will just for peace of mind for oil temps.
@@akustaka sounds like a W.
I look forward to the Navi version of this video.
Very true...Burch, you doing the Navi too, since this went well
Good job. See, carbs aren't nearly the devil people make them out to be. :) I suspected you should have gone to the next size pilot but I didn't hear any popping on decel in the video. If it starts to crop up as the weather gets hotter and dryer, there is always the option. I think there is room for a slightly bigger main also. You opened up the air flow quite a bit. If you go back in to the carb for the pilot change, throw a main in there that is one or two sizes up to see what happens. You can try a sparkplug burn color check but unless they are done correctly, they can give false readings. The airbox screen was a backfire spark preventer. In the event of a backfire, a spark could be pushed up into the air filter causing it to catch fire. There were a lot of burned up bikes back in the day till those screens were introduced. Last, your jet kit seemed to work out just fine. I always recommend keihin brand jets with the star logo as I tried an off brand once that was waaay too lean on a two stroke dirtbike. You know what you are getting with keihin but your bike seems to run well.
Solid input dude, thanks! It seems to be running great, but I still may try a 115 jet and maybe a bigger pilot just to see how it does. After seeing how easy this was it wouldn’t hurt to try 🤘🏻
Plug checks aren't as reliable now that fuel almost universally E10. You'll get a white strap and the tan isn't as defined. Ditto on the jets. Some manufacturers use a different number system. I believe dynojet has their own setup of sizes.
Genius thinking outside the box
Wat Up Burch-Life.... I'm back to watch your little video again.... go figure. I'm surprised that when you popped off the muffler and
went to do both the air box -n- carb, that you didn't go ahead & port the engine? As far as you could w/ a dremmel or other tools?
Hell, IDKnow what it gives ya but if I get to the point you did here, porting both sides of the engine is a standard practice for the
iron heads out there. Would it do anything for you? It can not hurt to open up the volume of intake & exhaust of any engine. I'm
not saying you missed it, I only just thought of it as I heard you speak as the video flashed that part up. Light Bulb went off in
my head. I'll give you the credit for that, thanks very much. You still got this bike? peace
That little bike looks so fun 🤙 do you plan on taking it out on the dirt more this year?
Yup, that’s the plan! I have a buddy with a new Transalp, and a buddy with a Trail 125, and we’re trying to all get out in the woods together soon. Have a few more mods on the way for it too 🤘🏻
@@LifeOfBurch awesome, can’t wait to see it🤘
@@LifeOfBurchhopefully tires...from everything I've seen the stock tires are sketch at best off-road...they seem to clog up very easily in soft stuff
How about not take the header pipe off and just access it from the other side of the bike
IKEA Special FTW
I did this to my xr150l and in first gear I can pop a wheelie ..way more torque on the low end and I also just did the crank case breather and it feels like that gave me more top end torque
Yea dude I love seeing the improvements you can get from such small changes! 🙌🏻🤘🏻
That’s for replying it means a lot coming from someone as big as you.
Yea I also did smoked lights and a led head light and new tires running lights you should look into that
Also r u having oil consumption problems? I am
Also change ur mirrors and bars
It makes the ride way better
And I also did a license plate delete makes bike look way cleaner
Question I’m super interested in this bike but I’m about 6’4 and over 300 lbs would this be a good beginner bike for me because I don’t want to put out a lot on my first bike
I would look into a 250/300. These are really small bikes for your frame. You'll know when you look at one in a dealer.
Today. June 8th i had a flat miles in. The woods..your not gonna believe what caused it..rear flat..took tire off...there a 6 drilled holes in rim..about .030 in dia..i guess to drain water..6 holes each side of rim...with burrs on each hole..wore through my tube thus the flat.this is a major safety defect..im calling honda tommorrow.
I didn't wanna make individual comments for this but did want to comment my stupid reaction when I was hearing you talk about that epic thing Yoshi did.
11:33 Ooh nice.
11:41 ooh fancy, not just like bare aluminum.
11:44 no fucking way, .. is he gone say what I think he is?
12:05 broooo let's go! That's amazing man! Mad props.
(Oh, and 12:20, sounds like an opening ska/sound-making version of Bodies by Drowning Pool, or maybe the intro bit to Psychosocial or some Slipknot opening?)
I had to go back and rewatch that segment so I could live your comments in real time 😂 But yea, Yoshi is the truth! Such good people 🤘🏻
My rear axel was corroded..n stuck..what honda cant lube axles..nope
Cool video I liked it...I also thought I was gonna see an Indian lol
3:01 everything's a hammer...
You know the vibes 🫡 😂🤘🏻
Anyone else have the problem it won’t start on full choke if it’s cold unless you rev and hold it but when you let off it just dies
That is kind of how you are supposed to use choke if you read the manuals
Advance the exhaust cam one tooth for even more bottom end
Unicam engine. Also unless there is 100% a creditable post of someone doing something like this successfully with detailed info, this is absolutely something you don't do without looking at timing of the lobes. You can, and will, cause valve interference with either the valves themselves or the piston.
I will say, the metal screen is good to have in the event of a backfire. It prevents the filter from catching fire. But honestly, on a 150 I seriously don't see that happening.
I’d be shocked if that happened. And if it does…well I guess that’s why we have full coverage insurance 🤷🏼♂️😂
I’d give that a 1/1,000,000,000 likelihood
You’re so smart 🙂
Wonder where I get it from?! 👀🧡
@@LifeOfBurch awwww thanks!!
put a 28 or 26 pwk carb on it even the cheap ones from amazon or whatever
The size of that air filter and scoops is much larger than the air pick up inside and its such a small engine, i don't think that will do anything to help power.
Beautiful colonial architecture
If you want to get better top end decrease your rear sprocket size by 3/4 teeth
I live in PH and have had the XR150 since 2017. Yes it has cold idle problems and stalling trouble. Like as if the engine locks up for a second. The carbs on these bikes are crap. Don't even have a fuel/air mix adjust. I find when i turn up my idle when cold it gets to be to high when the engine gets warm. It's a very inexpensive bike i guess you can't ask for much. I'm ready for something better. It did me well for 7 years as an everyday driver.
Seems like you should have just messed with the idol screw instead of all the other stuff.
Lmao a fuel line, a vent, and a drain hose are just beyond comprehension 😅
Try Alaska it was blowing snow sideways today
i would never attempt this job as I am not mechanical at all. Nothing goes smoothly when I take things apart but I know the names of some simple tools. That little screw driver you attribute to IKEA is called an offset screwdriver. I am not trying to be a smarty pants becasue that is the only thing I knew about this whole thing. I just thought this bit of info might be helpful to you in the future. Peace fromConnecticut.
i swear nobody takes the time to read the owners manual with their bikes. mine starts just fine everytime. the choke works as it should
I’m glad yours worked just fine per the manual’s instructions…mine didn’t. Now it does.
I wonder why mod a bike to get more power? If its a 150cc why don't you buy a 300cc😅😅😅
Your intake mods dont do anything. That engine doesnt suck enough air to be affected by the snorkel removal. Most of your performance gains come from taking the stock muffler off, which has a catalytic converter built in. After market exhausts dont have this.
I agree that the aftermarket exhaust has more of a performance benefit than the air box mods, but to say the air box mods “don’t do anything” is just not true. As minimal as the benefits may be for an engine this small, the benefits are still there. And even if it actually “didn’t do anything”…it’s free. So who cares? 😂
Per EPA certification, the 150L does not have a cat. Even still, motorcycles use a larger substrate orifice size for flow. For cars I believe the standard is 1PSI at 2500RPM, so the effect is minimal.
However, the engine IS choked by the intake by the carb and port size. The airbox volume on it's own is larger than the cylinder can pull in, times two it seems.
aww man i want a XR now
Do it!! They’re so much fun! 🤘🏻
@@LifeOfBurch i know i just need the $$ my payment for my 500 end in 1 year maybe at that time
I use an aluminum fuel bottle to catch the Navi's gas when I drain the carb. There should be a rubber hose that the fuel drains out of. I catch it instead of letting it hit the pavement but each their own. Thought that would be helpful going forward.
Gee, you might get 11hp!! you'd be better off with a big wheel kx85 and make it a super moto or something,at least it has 30 HP or so..anything but the anemic 150 l.id love to see that on a dyno if they even register that low.an exercise in futility, buying a weak turd bike trying to make it something it's NOT and never will be.
Congrats you just lost power, fuel mileage and reliability.
Cutting open a pressurized air box to get more air in is the equivalent of drilling holes in your home speaker box’s to let more sound out, not hate buddy, I enjoy your videos but this is bad advice.
Spend money on your suspension or comfort items that is the best way to improve any bike.
The airbox is not pressurized lol. At most, he's added roughly 1-2% of fuel that is only used on the idle circuit of the carburetor. It only is used for low engine speed. The only part I question is the filter screen, and most people won't go through the trouble of doing it and it has minimal performance effects.
why does everything you say sound like a question, stop up talking
Big bore kit next? @ScooterSwapShop has installed one already.
Shorten front fender plz it's hideous
I haven’t seen any other options out there yet, but I’ve been looking. Been thinking about rigging up a universal one though. Or someone said they put washers under the rear attachment points so that the tip at least angled up more and didn’t look so droopy.
If you cut the one you have in half it would still look better
@@LifeOfBurch If it was me, I would remove about 3" from the tip. Would have the same proportion as most 450's out at the moment. For some reason, the droopy duck bill is popular in other countries.