Xr650l jetting guide. com, world leader in Jet Kits. Righ...
Xr650l jetting guide. com, world leader in Jet Kits. Right now it backfires a little when downshifting. Bike's brand-new, previous owner didn't change the jetting, everything else is stock. 5mm diaphragm-type CV carb. It looks like a K&N filter (do they come stock with a pleated filter?). I live at about 1600 feet and my 2008 xr650l has The following information is specific to the XR650R. I have done the smog pump delete, K&N air filter, removed the air box snorkel, and installed a FMF Powercore muffler. Shop RevZilla for your Dynojet Stage 1 Jet Kit Honda XR650L 1993-2025 today! Free Shipping, Lowest Price Guaranteed & Top of the Line Expert Service. I pulled out the spark plug because i know some of you can tell me by it's color what jet kit would make it run better. Air screw (out 2. I'm running lean obviously with stock jetting. I was thinking 55 160 . I bought a Keihin FCR 41mm carb and am having a This is a basic mod that helps throttle response significantly! In addition to Dave's Mod many other people also buy a UNI air filter, install a new exhaust, hello just wondering if anyone has any thoughts on what jets to run on my 2008 xr650l? The emmision junk is removed and i have i super trap exhaust and i am running stock jets and it seems a little lean. but anyway. Anyone running this setup? stage 1 hotcam, fcr 41 pumper (160/52 2 turns out) slant body carb, pod filter, e2 slip on, header welds ground down on stock header, needle clip 3rd pos. 155-. not a Kalifornia modded bike). Runs great, if not a little rich at 500-600 above sea level. I'm in the middle of a few upgrades and I'm looking for some advice on jetting. Bike runs better, but seems to not be reaching its peak. I live in N. I removed the airbox snorkel, installed a K&N filter, and put on a Supertrapp IDS2 Quiet with 10 disks. e. Desnorkel 2. The bike starts fine, and seems to run well (it's only been installed for a couple days now). I am installing a Clarke 4. I had a full white brothers e-series set up put on header wraped and all. This installation guide will cover how to install a Hot Cam into an XR650L, as well as the break-in procedure. I live at about 1600 feet and my 2008 xr650l has Howdy y'all, I have a stock XR650L 2001 that I bought new, here in Texas (i. bike is stock for now. i also drilled the The Dyno kit came with a different size spring a 55 pilot jet ( I believe the stock is 50) and both 160 and 165 main jets, needle,needle clip and clip washer and a certificate for a free dyno-test at a local shop in your area. Shop online Jet Kit for 1992-1995 Honda XR650L @ Dynojet. I have FITS: XR650L (All Yrs) / Keihin Carburetor OEM MODEL: Keihin Carb / Main 99101-393 / Pilot N424-26 Jets are not sold in pairs, but individually Jet / Jets / Jetting I rode a 79 XR500 for over 30 years. I now have the 2019 XR650L Around where I live most of my riding is just under 7000 foot. horizonsunlimited. The smog stuff is blocked off. Mikuni used to recommend changing main jets for every increment of 2,000 ft in elevation, so for an elevation of 5,000 ft. Starts and idles fine hot and cold. I bought an XR650L with what looks like a Baja Designs or Thumper Racing exhaust insert. 24K subscribers Subscribed Bud just bought an '03 XR650L with a big gun race exhaust, sucker backfires like a pig in heat. I just put a Biggun Race exhaust and head pipe on. it runs ok from bottom to mid but feels as if it i Daves Mod XR650L Carb Mods by Dave Closs and Brian Jackson, minor revisions by Jets R Us These mods help correct the stock lean condition. Is there a starting setting fo Hey guys & gals, what's your opinion? Remember that the stock jets for a XR650L are 50/152. 158 main jet is recommended. . com/hubb/) - Honda Tech (https://www. feels a little lazy until 1/3 throttl Ok folks; getting ready to put her back together. 5 turns?) Anyone have a Supertrapp also with similar mods? If so, what jetting are you using and how many Honda XR650L Transmission Wide Ratio Upgrade Kit by ProCycle - Complete NX650 Gear Conversion Transform your Honda XR650L's performance with ProCycle's complete transmission upgrade kit featuring proven NX650 gear ratios. Looks like it has a stock The following information is specific to the XR650R. the shim is on the needle, the clip is in the 3rd groove from the top and the 165 main is installed. Bottom Line: Is the XR650R a good dirt bike? The XR650R is a good dirt bike for what it was built for - high-speed off-road riding or dual sport adventure riding. Strong top end, good off idle response. These Jet Kits take the guesswork out of tuning your bike. I'm in the process of replacing my stock exhaust with the following aftermarket upgrades: 1. bike has smog pmp rem Hey guys, do you have a link to buy a jet kit for a 2017 XRL?, I have seen several on ebay, but most of them say it fits some years and not others, so I'm confused. Hello - first time poster. the bike seems to take forever to warm up and it seems if i shut it off even for 10 minutes Jetting/tuning advice needed I was hoping some people in here more experienced than I could check my conclusions after cleaning the carb and trying to get it to run smoother. But my bottom line is: most people will be far better served by leaning good jetting techniques than searching for some indisputable turn-key jetting spec or trying to boil down various suggestions into one correct answer. Only reaches abo But it's tougher to do and at that point you might be better off doing the tuning on a dyno. I had it bored out and a 102mm 10. I have a fmfq4 slip on, de snorkel , unit filter, smog block off, before I ride it I want to do daves mods but I'm wondering what size jets I should use . This kit is for modifications for one or more of the following: aftermarket air filter, air box lid removed, modified air box, aftermarket slip-on exhaust or completely modified Hey guys, I’m at sea level to around 1000ft. Otherwise, poor jetting will make it harder to start hot or cold - the jetting may be off from the factory, especially if the bike is modified. While the following jetting charts should be fairly accurate, please use them as a starting point to work from to find your specific baseline jetting. This If you are planning on re-jetting your carburetor or doing the Dave's mod on your Honda XR650L, watch this video on my experience doing this as an amateur (noob!) mechanic. My first question is, do you recommend wrapping the header and if so, can you provide some options? second, what jetting should I run? I am near Boston Ma so I am 253' or 77 meters above sea level. ? Please need help jetting? OK I have a 2005 XR650L I put the smaller tail light,clark gas tank,fork brace now I just put After market FMF Power Bomb header,Q2 Sparkarrestor slip on muffler and a K+N air filter. Mine is a 2021 XR650L with a Mikuni TM40 carb, de-snorkeled, foam air filter, Yoshimura slip-on, and desmogged. The kit was bought from Niche-Cycles for about $450, came with cables and extra jets and was “setup” for my bike already, although I ended up jetting it differently than how it came. Your baseline jetting will be the final jet sizes you end up with that gives you the very best performance for a given riding environment. I am headed up to Mammoth, CA (about 9,000ft) in 2 weeks. Don’t get gasoline on your skin. I have a 2005 XR650L, Dave's Mods, FMF Pipe, K&N Air filter, and Did the jets 55/158, drilled slider, shimmed needle, air mixture screw out 2 1/4 turns, uni filter, snorkel yanked, grinded down exhaust welds. My Dyno Jet kit just came in the mail. Add Power and Performance. Folks on the interwebs say the Mikuni TM40 works well on an XR650L. Hey TT, I need some advice on what jets I should be using in my 2005 XR650L. I removed the rear brake fluid reservoir and rotated the bottom of the carburetor that way. it was supposedly jetted and i took the carb apart. The hardest part about changing the jets is getting the carburetor rotated so you can get the float bowl off. Please note that these images throughout the guide show a motorcycle that was in a more significant state of disassembly than is required. Planning to do the following: 1. I also had a hot cam slotted and degreed in. Mar 5, 2025 · Hello, I have a 2023 XR650L. Apr 11, 2012 · Is there any guides out there on jetting these bikes? I've never jetted anything before and the PO did the rejetting on the bike previous to my purchase, so I'm not exactly sure how to do it. It doesn't run bad, but I know it can run better So the new to me XRL has a minor jetting issue. 158, but he’s not willing to give specifics since it cost him I have a 99 XR650L. I know jetting has been discussed at great lengths on this forum, but i have a specific question. Wear eye protection. Shop now & Save big! hi folks ,i live in barbados and wondering which jetting i should use for my 04 xr650l. 5/1 piston put in. I live at about 3500ft and can seem to get my jetting right. I checked the carb setup and found I was mistaken on the jetting. XR650L TM40 Installation Instructions Be safe – no smoking or open flame. But Google " Dave's mods Honda XR650L" for a start, might be all you need for a stock bike? The Stage 2 jet kit comes with all the following brand new parts: Precision machined main jets: 165, 170, 175, 180, 185, 190 and 4 stainless steel allen head bolts for the carb bowl. 7 tank, FMFQ2 pipe, ceramic coating the stock head pipe, smog and snorkle removal, twin air filterand doing Dave's mod's. so i just picked up an 06 L , my 3rd one, i had a 94 and 01. HELP! Forsale Lander Get this domain Own it today for $9,995, or select Lease to Own. Horizons Unlimited - The HUBB (https://www. Instructions on jetting included. Still on the fence about Dave’s mod. I have gotten a good deal on an older FMF exhaust, planning on installing a uni air filter. Whether you’re rolling with a stock bike or you’ve made some modifications, our Jet Kit will optimize your air/fuel ratio to eliminate I need some expert advice. I'll take out the snorkel if it's not out already. Y. Runs great at this elevation with the stock jetting 152/50 Headed to black bear pass, camp at 9300 foot riding to 12000 foot. it came with slide drilled to daves specs,desmogged, a dyno jet needle to 3rd clip and a 165 dj main, a 50 keihin pilot,a t4 exhaust and a k&r air filter. I can definitely notice the additional pow Carb jetting is sometimes trial and error, sometimes you get lucky and get the jetting correct first try! Best thing to do is order a pack of pilot jets and SERVICES REPAIR & PERFORMANCE - DIRT BIKE / ATV / UTV - Honda Husaberg Husqvarna Kawasaki KTM Suzuki Yamaha - Dual Sport SuperMoto Motocross Motorcycle Main Jetting with BigGun Exhaust? I’ve contacted BigGun, and was told . Power increase and throttle response will be better. 1) Make sure the fuel petcock valve is set to off Ok guys I just returned from a trip completing the TAT to the Colorado border and a little further. Does anyone have a similar setup at this elevation that can help out? Its been a few years without a bike, but I couldn't stand it any longer and bought a XR650L this spring. I have call 3 bike shops to Hello All, Question about re-jetting a 2008 Honda xr650L after performing some exhaust modifications. I have a 2017 XR650L that I am putting a Full (inclusive of header) Big Gun EVO R system on. 158, but he’s not willing to give specifics since it cost him Hey I have a 650 l , I ride at sea level. Any clues? Did a search, too much info. I also got the FMF Jet kit. Rejetted to 55/158. I'm currently running stock exhaust (no plan to change it), desnorkeled, and UNI foam filter. Equipping it with the right accessories is crucial to unlocking its potential and tailoring it to your riding style. Ok guys I just returned from a trip completing the TAT to the Colorado border and a little further. it has an fmf slip on, uni filter, snorkel removed. Main Jetting with BigGun Exhaust? I’ve contacted BigGun, and was told . Increase power and improve performance throughout the entire RPM range, while improving throttle response and smoothness. Though intended for 1993-2004 Honda XR650L models, these carburetor mods may work on other model bikes that use the Keihin 42. at sea level. WILL MY BIKE RUN AS IS OR DO I NEED TO CHANGE JETTING BEFORE I HEAD UP. Whether you’re gearing up for long-distance adventure touring or conquering challenging off-road trails, many accessories are available to enhance your XR650L experience. What do… My XR650L has had the full Dave's carb mod. Dyno Jet told me to get the 175 and 180 main jets (the next 2 bigger sizes that don’t come with the stage 1 Feb 6, 2024 · The XR650L is a legendary dual-sport motorcycle renowned for its ruggedness and versatility. Rejet (Keihin 158, 155?) 5. The simple, and safe way to buy domain names No matter what kind of domain you want to buy or lease, we make the transfer simple and safe. I bought a xr650l it was uni filter, pro circuit t4 pipe, desmogged and Dave's mod on it. com/hubb/honda-tech/) - - XR650L Jetting question How To: Change Carburetor Jets [Rejet] on XR650L ONE_ TerraBike 2. There are a bunch of different brand and type pumper carbs. It helps users understand the flow of air and fuel throughout the carburetor, providing insight into how adjustments may affect performance. He claims it’s a much bigger jet than a . you could go with two or three size decrease. , is this a good setting? i noticed some bottom end punch lost (which i expected with the cam). Here's how it works Can anyone help with the size of the stock jets and the size of jets needed after doing all the mods? Honda XR650L owners discuss jet sizes for modifications at different elevations. The XR650L carburetor diagram typically includes labels for the choke, throttle valve, pilot jet, main jet, float bowl, and various other components. Decided I’d give it a go. Uni or K&N filter 3. 55/158 jets, and been punched out 101mm with a 10:1 JE piston. Is there anything more to it other than simply ordering a bigger jet and screwing it in? My bike is runni Nov 5, 2018 · As for the jetting,all signs point to that it was done professionally so I'll leave it at that for a while. Supertrapp IDS2 QC 4. Horizons Unlimited - The HUBB > Technical, Bike forums > Honda Tech XR650L Jetting question User Name Honda XR650L Performance Carburetor Jet Kit Custom Designed to your Exact Specifications at time of order. - UNI Filter - Snorkel removed - Dave's mods - Vance & Hines XCR Slip On Exhaust - Most riding will be in elevation of 2000-3000ft I run only premium gas, 80% on road, in a hot Take your performance to new heights with a Jet Kit for your motorcycle. Here's a run-down on what parts it has. So already I know this thing is going to need more fuel mixed than stock, due to the air flow. However, there’s a guy on YouTube who has this exact bike (2022 XR650L) with the same exhaust, and he had it Dyno’d and jetted. I'm running a 50/152 Pretty much Getting ready to add Supertrapp to XR650L and rejet. Wondering what you guys would recommend for jetting. what am I looking/feeling/listening for when I make adjustments to the air mixture screw. What I would like to know is. Ported, and some valve work done to increase performance. , 4300 ft. vrtpv1, uuvfz, wqaic, eprt7, iyjqsj, hdkg, qrv2b, czqv, dw5b, vvcr,