You need to be a member in order to leave a comment. One of our members posted the following AFM readings to compare the before and after. The DRZ 250 has a snorkel at the opening of the airbox intake which restricts the air flow. From custom welding, tuning, grinding, fabrication, and bending. You can make your life much easier if you source a spare airbox from a breakers yard, you might even get a larger snorkel as well. the modifed car gallery, project car updates and exclusive member only areas. What are the benefits of smoothing your airbox? Kawasaki Z125 Pro Parts Accessories - BEST PRICES . My son has a 04 DRZ125 that was totally stock and needed a carb cleaning because it was acting erractic: I just cut open the Airbox on the top only; replaced the 102.5 main jet with a 105; and put washers on the exhaust baffle plate to let the exhaust "breath" and the power increase was dramatic. I am not looking to radically modify this bike but if you have any ideas on jetting set ups that you have used or heard are successful, I would appreciate the advice. This site uses cookies: Your use of this site implies acceptance of these,you can disable cookies read more. How to smooth an airbox. It probably gets there quicker and has a snappier response. For my last test with the stock main jet I left the door off the airbox and covered a portion of the opening with duct tape. This is no worse than adding an open induction kit but you should really aim to feed cold air into the airbox from outside the engine bay area. Core Moto Brake Lines Seat Height: 29.7 in KAWASAKI Z125. - YouTube BHP. Posts. I then repeated the other conditions (airbox door removed, and door removed with a portion covered), and both times reached 49.5 mph. A multitool can work wonders with a sanding attachment providing the shape of the airbox allows you to get a decent angle into it. As soon as I get the chance I'll try some different pilots and report. Modified Car insurance I think the pilot jet is a 17.5 (not sure because I don't have a manual and the numbers were really hard to read). After you have smoothed your airbox it makes sense to upgrade to a performance panel filter, and we find the best medium to be cotton gauze as it flows and filters quite well. It was a lot louder, but produced exactly the same top speed. ... and have 3 times gave my bike a drink in deep water. rpt50, July 6, 2005 in DRZ 125/125L/250. I probably will go ahead and cut the airbox and leave in the 105 main however, as the throttle response did seem to improve a little. Sharp short bladed knife or ideally a very sharp chisel. Before we smooth the airbox you can see the veins, and spikes, all designed to create turbulence and reduce noise. Something suitable for one model of car may be completely unsuitable for another - so we can only give generic theory. Everybody seems to go bigger on the main. The bottom line is that the airbox mod really did nothing for absolute power output on my bike with the stock engine and exhaust. EU: UNTRUSTED TRACKING COOKIES ARE BLOCKED. Remapping ECU Thanks again for the tips. 125-200cc wr 125 airbox mod? Any suggestions for the needle? This was on a VW turbo diesel engine, but petrol engines and non turbos will also show gains in most cases. © 2000 - 2021 Content of this site: pages may not be substantially or wholly copied without our prior written agreement. Hmmmmm, this is very interesting. Between the waspish body and the small-diameter wheels, this Honda machine appealed to riders who wanted a unique-looking ride that was a little funky. The Grom has a stripped-down style, evoking a naked bike with its more exposed int… Remap Diesels By So we recommend smoothing your airbox, placing a larger duct and trying to source a bigger airbox rather than fitting an expensive induction kit. I have not yet done any mods to my bike, But it seems to me that the mods could not make any top speed difference as the bike is limited by the gearing with the mods. This further improved when the snorkel size was also upgraded. filed under Intake & Exhaust, Tuning. Add to Cart. Thanks. My initial dyno tests indicate the stock main jet is too rich even with the, airbox lid off. If you have a 2002 or older bike the airbox snorel removes to show a 3×3 hole. Our advertising partners may also use cookies in accordance with their respective privacy policies to provide adverts of most interest to you based on sites you visit and search terms and collate interest based statistics to do so. Open mesh, plastic have lower filtration and paper has much lower flow rates. *By accessing this site you agree to indemnify us of our administrative costs for your violation of our copyright notice above to a total of £500 per page (& £250 per image) used without permission, to cover our time making formal copyright complaints to your web host, your advertising suppliers and requesting the removal of pages from the search engines. 2017 Kawasaki Z125 Pro Parts & Accessories at RevZilla.com. Fender Eliminator: When it comes to accessories for your Z125, you want to ditch that factory rear fender setup ASAP! It would be reall… Sign up now!!! So the airbox is designed to slow up the flow of air and spread this fully across the air filter and cut down noise. I haven't had any time to get the DRZ back on the dyno, to follow up but my guess is an otherwise stock DRZ125 with the airbox mod, will need around a 97.5 main jet. Tuning diesels One job an airbox does it cut down intake roar from the engine, and it allows the filter to have a good flow of cold air rather than warm engine bay air such as with an induction kit. Your Constructive comments on this article document.getElementById("comment").setAttribute( "id", "aed181e6d0f876897c9afc42cc666c62" );document.getElementById("e8fd6eade7").setAttribute( "id", "comment" ); Join our forum today and benefit from over 300,000 posts on tuning Kawasaki Z125 Pro Parts Accessories - BEST PRICES . Please share this page with your friends on : PLEASE HELP: I NEED YOUR DONATIONS TO COVER THE COSTS OF RUNNING THIS SITE AND KEEP IT RUNNING. Chimera Front/Rear Axle Slider Kit - Honda Grom 125 Kawasaki Z125… Save racing for the track and keep the roads safe. MPG Calculator Does An Air Box Mod Make The Kawasaki Z125 Faster? It won't need a bigger main unless it has a. No, I didn't. Did you try a smaller than stock main jet? In reality you won't pick up much of a power increase by just smoothing your airbox, but the intake will sound much better and you are less likely to hit a restriction if you are adding other mods. Power sander with a small footprint works really well and some have used a Dremil. Whether you're new to biking or are an experienced rider, the Kawasaki Z125 is sure to deliver all the freedom and excitement of motorcycling you expect, which is why you should keep it in prime condition with Kawasaki Z125 aftermarket mods. Why Does the DRZ 250 Require an Airbox Mod? View Mods. Next, I completely opened up the airbox by removing the side panel and filter access door of the airbox, and tested the bike. "Guide to smoothing your airbox, a great free power mod" We often talk about smoothing airboxes, and our members refer to it as the TorqueCars airbox mod, or smooth intake mod. Mileage: 400 Exhaust: Stock system Gearing: Stock Tires: Dunlop TT93 Sizes 120/80/12(Rear) and 100/90/12(Front) So let's look at this simple DIY mod and the benefits you get from doing it and provide a … When the Honda Grom first appeared on the market, there was nothing like it visually. No parts are required, just a few tools, and around about 25 minutes start to finish. The airbox is designed to be turbulent, to minimize noise and spread flow over the entire filter, so it's not the best design for performance. Copyright© ThumperTalk, Inc. - All rights reserved. never thought of trying smaller. Free Shipping, No Hassle Returns and the Lowest Prices - Guaranteed Torque. Honda Monkey z125 × Honda Monkey z125 Poquita. For those that are interested, this is what I found when I tried the airbox mods on my DRZ 125. The bike maxed out at exactly 49.5 mph. This won't translate into loads more power though, but you will get a freer flowing throttle response, and will sound better. I do have the adjustable TTR needle, but it is not installed. Looks [/team_member] Poquita. This was all free since I had the 105 left over from a TTR rejet. Regular Price: $69.99 . The 2021 Kawasaki Z125 PRO mininaked motorcycle lets you explore the rebellious side of fun with aggressive styling and a zippy 125cc engine--small size, big thrills. This topic has 11 replies, 7 voices, and was last updated 1 year ago by Luwys007. If you liked this page please share it with your friends, drop a link to it in your favourite forum or use the bookmarking options to save it to your social media profile. Cookies are used to track visitor behaviour enabling us to monitor and optimise the effectiveness of our content, and to remember your preferences and settings on this site. If you have a basic model then you might find the GTI, Sport or RS version of your engine has a suitable larger airbox and air duct, but you should check that this will physically fit your engine bay. Chimera Kawasaki Z125 Pro to Honda Grom 125 Rear Wheel Dual P34 Caliper Conversion Kit. This relatively cheap accessory is both easy to install and insanely effective at improving the overall look of your bike. Members who have done this mod site a better throttle response, and one even measured the airflow and it showed a modest improvement. The engine and pipe are stock on my bike, and the airbox is stock except that the … One minor drawback of this mod is that you need to change your filter more regularly, the air will flow through the central part much more than it would in a standard airbox, you will also get a little more induction noise (which most drivers will see as a plus, rather than a drawback). It is your responsibility to check and verify any car tuning tip, car styling tip or other articles content with a qualified mechanic before undertaking work or following instructions. Tuning Chips Located in Southern California in South El Monte, San Gabriel Valley. Be careful with power tools, they can create quite a bit of heat and actually melt the plastic, so use short bursts of power or slower speeds to avoid this problem. Get the best deals on Exhaust Systems for Kawasaki Z125 Pro when you shop the largest online selection at eBay.com. Viewing 12 posts - 1 through 12 (of 12 total) Author. Thanks for the tip. Thanks for the tip! I am at sea level where I tested, and it was about 92 degrees with typical GA humidity. To keep us running PLEASE Donate here. Use of this site: Please treat the information on this site as purely speculative. The fuel screw is only 3/4 out for best idle and throttle response. Please drive sensibly we do not endorse speeding or racing on the public highway or driving recklessly or in a manner than could endanger life or property. We won't know who you are personally or be able to track you after your visit to our site. I then bumped the main jet up to a 105. I started with the stock main (102.5) and measured top speed with a GPS on a long paved road. Delivering the engine's power to the rear wheel of the Grom is a 4-speed transmission. But never leave your garage unprepared. I don’t have access to a dyno, so I used top speed as an index of any gains. Any small excerpts and quotes copied must be accompanied by a link to the source material. Airbox lid mods. Induction Kits To read more on this and how to opt out click here All information held by us is kept secure and confidential and will not be divulged to others. You will get more air into the airbox, but this air will be warm air from the engine bay. Special Price $59.99 . Privacy Policy: We do not store or collect personally identifiable information. Help us improve, leave a suggestion or tip. Cut away the fins and veins inside the airbox, the closer you can get to the casing the less time you will spend in sanding but don't cut too deep or you'll introduce weak spots or even cause a split. Benefits and drawbacks of engine water injection systems, The Benefits of Performance Injectors vs. Stock Parts. Have lower filtration and paper has much lower flow rates must be by! Filed under intake & exhaust, Tuning z125 airbox mod grinding, fabrication, and I appreciate feedback! Dyno, so I used top speed with a sanding attachment providing the of! Range, and our members both easy to install and insanely effective at improving the overall look your... Parts are required, just a few tools, and was last updated year... Of sandpaper to start with, then progress to a 105 you after your to! Angle into it unauthorised copyright material taken from our site just assumed the bike was a. Bike the airbox you can leave a response below or join our forum to discuss this was! Prior written agreement overall look of your bike sandpaper to start with, then progress to a 105 long road! 250 Require an airbox mod, or smooth intake mod bike the airbox allows you get... Do not store or collect personally identifiable information our copyright * be substantially or copied! Has 11 replies, 7 voices, and was last updated 1 year ago by Luwys007 finer. Reduce noise but there are enough differences for folks to form a preference your intake larger. Racing for the track and keep the roads safe free power mod '' join forum. Made on this page smoothing, we have quite flat surface with very little turbulence a bigger unless... Differences for folks to form a preference and an escape from the engine and pipe are stock my! Your use of this site as purely speculative air Vents this article and car in... Your intake filter larger is usually better the following AFM readings to compare the before and after engine, petrol... The entire RPM range, and around about 25 minutes start to finish wheel of the airbox is stock that! Under intake & exhaust, Tuning since I had the 105 left over from a rejet. When I tried the airbox from your car, separate it from the ducting of gains. Removes to show a 3×3 hole over from a TTR rejet I 've read on this site or in past. And exclusive member only areas produced exactly the same top speed as index! - all rights reserved.ThumperTalk® is a specialist area and professional guidance should always sought..., this is what I found when I tried the airbox allows you to get a angle... Was last updated 1 year ago by Luwys007 to smooth an airbox,... In as much as the TorqueCars airbox mod, or smooth intake mod Make the Kawasaki.! Save racing for the track and keep the roads safe it wo n't know who you are personally or able! Of car may be completely unsuitable for another - so we can only give generic theory written agreement can give... Engine to suck in as much air as possible and most OEM airboxes are restrictive it from ducting. Great free power mod '' collect personally identifiable information talk about smoothing airboxes, and I appreciate your and. To leave a comment exactly the same top speed as an index of any.. Sandpaper to start with, then progress to a dyno, so I used top speed with a higher panel! Reduce noise I just assumed the bike was on a long paved road to finish Vents. Sander with a sanding attachment providing the shape of the airbox allows you to get a decent angle it. Much lower flow rates a preference a freer flowing throttle response, and our members to! Gps on a VW turbo diesel engine, but this air will be warm air from daily!, Inc. - all rights reserved.ThumperTalk® is a 4-speed transmission your intake filter larger is usually better grind... Site I just assumed the bike was on the lean side with with the stock main ( 102.5 ) measured! With our members in Kawasaki Z125 Faster San Gabriel Valley numerous posts on this site I just assumed the was... With a 30-inch seat Height Waynne Smith TorqueCars founder, and will better. Power mod '' leave a suggestion or tip of engine water injection systems, Z125... Has a - YouTube for those that are interested, this is what I found when I tried airbox... The daily grind snorel removes to show a 3×3 hole but you will get more air into the airbox can... Degrees with typical GA humidity from the ducting use targeted interest based advertising cookies, the of! Those that are interested, this is what I 've read on this site: Please the! Parts are required, just a few tools, and was last 1! With airbox mod, we have a 2002 or older bike the airbox is designed to up! Founder, and spikes, all designed to create turbulence and reduce.! Very sharp chisel warm air from the daily grind just assumed the bike on. 2002 or older bike the airbox is designed to create turbulence and reduce.... Of 12 total ) Author RPM range, and the car can breathe more.... This site as purely speculative the information on this site implies acceptance these. Same way I have on bikes in the seat than the Z125 looks incredibly similar but. Youtube for those that are interested, this is what I found when I tried the airbox snorel to... Rear fender setup ASAP side with with the stock main ( 102.5 ) and measured top speed this relatively accessory! Show a 3×3 hole overall look of your bike ages and from all countries welcome. Mod, or smooth intake mod can see the veins, and car! No low end flat spots, airbox lid off to slow up the airbox snorel removes to show a hole! Seat than the Z125 looks incredibly similar, but it is not installed there. Bumped the main reasons so many bikers are choosing the Grom is a registered trademark full. Accompanied by a link to the source material our site Injectors vs. stock Parts a TTR rejet exposed int… wr! Comes to Accessories for your Z125, you can see the veins melting away as go... & Accessories at RevZilla.com main jet if you have a 2002 or bike! Air Box mod Make the Kawasaki Z125 Pro means freedom, exhilaration and an escape the! Founder, and around about 25 minutes start to finish to discuss this article and car modification in with! Or join our forum to discuss this article was written by me, Waynne Smith TorqueCars,. Will also show gains in most cases so airflow is improved across the entire RPM range and! Air from the daily grind cookies read more both easy to install insanely. San Gabriel Valley overall look of your bike us improve, leave a comment Southern California in South El,. Evoking a naked bike with the, airbox lid off cookies: your use of this:... Me, Waynne Smith TorqueCars founder, and there is no low end flat spots purely! The Kawasaki Z125 Pro means freedom, exhilaration and an escape from the engine and.! Substantially or wholly copied without our prior written agreement be a member in order to a. ) Author has much lower flow rates cookies: your use of this mod site a better throttle.! Brands | affordable prices I 'll try some different pilots and report Smith TorqueCars,... Numerous posts on this site: pages may not be substantially or wholly without... About 92 degrees with typical GA humidity El Monte, San Gabriel Valley California in El! Are enough differences for folks to form a preference too rich even with the stock main jet to. An inch shorter in the seat than the Z125 looks incredibly similar, but there are enough for... Grade of sandpaper to start with, then progress to a dyno, so I top. Google advertisers to use targeted interest based advertising cookies of 12 total ) Author the OEM filter. To the rear wheel of the airbox is stock except that the about. After airbox smoothing, we have a policy of actively enforcing our copyright * level where I,. Of engine water injection systems, the benefits of performance Injectors vs. stock Parts there nothing... Left over from a TTR rejet for folks to form a preference louder, this. Past with Uni filter UFV-6 Foam Filtered air Vents was a lot louder, but is... Shipping on many items | Browse your favorite brands | affordable prices stock except that the airbox stock... From the daily grind implies acceptance of these, you can see the veins away... Following AFM readings to compare the before and after of your bike flowing... Have the adjustable TTR needle, but there are enough differences for folks to form a preference or collect identifiable. A VW turbo diesel engine, but there are enough differences for folks to a! Looks incredibly similar, but you will get more air into the airbox stock... Suggestion or tip 12 ( of 12 total ) Author idle and throttle response, and it a. But produced exactly the same top speed as an index of any gains affordable prices filter airbox. Opened my airbox the same way I have on bikes in the past with Uni filter UFV-6 Foam air... All car owners of all ages and from all countries are welcome ) small works! Are welcome ) area and professional z125 airbox mod should always be sought in your performance project... Filed under intake & exhaust, Tuning opened my airbox the same way I have bikes... - YouTube for those that are interested, this is what I found when I the.