Xs650 jetting. Good luck with those Chinese carbs.

Xs650 jetting I am at high altitude Denver any suggestions ? Dec 29, 2009 · Enjoy XS650. Sep 5, 2025 · The type of pilot jet you need will depend on the type of float bowl fitted. You do have adjustment available via needle clip position and idle mixture screw and the extra main jets provided by Mikunioz. But wait, I know what you're thinking. Kit smoothes out the powerband and removes the midrange hesitation and leanness resulting in a smooth acceleration from idle thru redline. 5 mains, 42. Is it possible that there is a system in this madness, regarding the mainjet-needlejet-needle size? Or should i change the mainjet-needlejet-needle to 180-190 and 6F9 and 159/P6 and take it from there? And it would be great if you post what's work for you. I assume you have read Mikunioz's tuning tips. Dyno Tune Needle and Jet Kit for Mikuni BS34 CV carburetors as used on North American model 1980-84 Yamaha XS650s. With the price of carbs, push-pull cable setup, and miscellaneous bits and pieces, the bottom line price will hit well north of $750 for a pair of TM36/68's if you buy new and do your own fabrication. 5 and 42. 99. 5 35 Jan 28, 2022 · Hi All. They're perfect carbs for street riding, motocross, enduro and trail riding as well as flat track Mar 22, 2018 · But, you will need to tailor the jetting around the needle/needle jet combo you've fitted. Am I reading this correctly that there were the settings specific for 70/71 (45P and 1 mix) and then 72/73 (42. I have most things under control but would like to know exhaust options anyone knows of. Dec 29, 2009 · The photos seem to show fuel level significantly higher on the left. This kit, however, is specifically designed and tuned for Yamaha XS650 motorcycles that don’t use the stock airbox. Stock is 132. 5 Jul 6, 2018 · My XS650 with BS34s was running well and then one day died on with fouled plugs. In the box was the extra jets. Apr 26, 2017 · Hi All hope you are well. Nov 29, 2019 · Enjoy XS650. Obviously they will need re-jetting, so I'm trawling the internet for information, and have already trawled through here (but maybe I've missed things) so I thought I'd see if you guys have any knowledge to share Sep 5, 2012 · My 1979 is the f or sf type xs650, i guess?? (haynes manual for 650 twins goes to 1970-1983 but doesnt specify any F or SF type 650s) I had a main jet of 135 already in my carbs and the replacements in the carb kit from Mikes xs were also 135s. Oct 21, 2017 · I've tried to get the stock BS34 carbs in good working order but after spending this summer re-jetting, adjusting float height, replacing gaskets, replacing the float valve assembly, replacing the throttle shaft seals, replacing boots, etc. Stock exhaust, OEM-style K&N air filters in the stock air box. Nov 28, 2017 · I have a question about the jetting chart in the carb guide. Jun 3, 2014 · Generally 1 size up on the pilot jet, so stock is 42. I've modded and re-jetted practically every bike I've owned and it was pretty much the same - minor jetting changes were needed. Also, I'm running UNI pod filters. Eye-burning rich. I have a 750 kit, with vm 34 Mikuni carbs and a 2 into 1 header having a fit trying to get the jets right just wondering if some one else has this setup and what jets you are using so I have a starting point. 5, so go with 137. If you look at the chart above, you'll notice leaner needle/needle jet combos ('78-'79 carbs) get larger mains and pilots. Thanks for any help. Dec 1, 2017 · Hey guys, I've decided to replace my old BS38 carbs with some shiney new TM34's. The previous owner changed the main jet to a 140 when he did the filters. Jun 1, 2022 · Assuming BS38s, start here: go up 3 or 4 sizes on the main jets, go up one size on the pilot jet, raise the clip on the slide needle from the middle position to the second-from-the top position. It came with the largest mains (#135) ever put in any 650. 5 Needle = 6F8 So far, I've Jan 30, 2023 · Couple of points first: 1) the plugs will be black unless operated at operating temperature and highway speeds for a bit, regardless of jetting and 2) the starting is not affected much (if any) by the main jet size. 5 Pilot: 45 Needle 4n8 middle clip I am at 4500 feet above sea level. See pic for exhaust set up. Apr 17, 2023 · Hey all, I'm trying to ascertain the 100% factory jetting specs for the 1980 Canadian BS34 carbs please. Can easily be converted to left hand. Jul 30, 2018 · I need some expertise in tuning my carbs. 5 go to a 45, and 2-3 sizes up on the mains. Mar 12, 2013 · Enjoy XS650. Jun 15, 2016 · Enjoy XS650. I considered running a single Mikuni VM carb on one side to accomodate a high mount exhaust on the other side, but have discovered the Mar 30, 2020 · I'm looking for a good source of information and possibly a troubleshooting guide for bs38 carbs as well as just how to tune the carbs. I can strip, clean and tune my own carbs fine but if I was relying on my powers of fine tuning for a living I’d be in trouble. 5 main ran worse seemed lean in the idle before and rich in top end need help tried different main and pilot combos from 27. It's not currently running but when I go back together with it I'll be using the long 6" Uni double layer filters & no Jan 10, 2011 · XS650: Carbs … Mikuni Leave a comment I’m not a carb expert. And while sitting still I have to roll on the throttle gently to get it to rev, otherwise it cuts out like in the video. Japanese brand performance carbs. Looking for the XS to breathe a little better, some people have recommended UNI filters. Jun 2, 2012 · Enjoy XS650. May 5, 2024 · Hey all! First off, this form and community has been amazing. The main jet or the pilot jets or both. The bike has a 750 big bore, straight pipes ending before the rear tire, and pod air filters. . Pre-jettted carburetors for the Yamaha XS650 twins. Main extras were 120 and 130 with 125 installed. I was hoping to mount it inside my steel Jun 12, 2022 · Despite my bike’s radical intake/exhaust, I’m getting pretty close on jetting and the resulting drivability. Mikes XS is the leading supplier of Yamaha XS650 Parts and Vintage Yamaha motorcycle parts. We offer a wide range of XS1, XS2 and XS 650 new and used part and products. I went to short pipes. I know often when you change your exhaust that may require you to change the jets in you carb, the question i have is what jet or jets do I change. My 1975 XS runs incredibly rich at idle. So, that thought in mind, I go forward: I am fortunate enough to have have owned a good many XS650s in past Nov 29, 2020 · Enjoy XS650. We’ve selected the proper slide, needle, and needle jet for XS650 applications. 5 A/F screw- 1. We are your #1 source for Yamaha Vintage Motorcycle Parts. We recommend that the stock jetting or richer jetting be used, especially if there have been other modifications done to the motorcycle, such as aftermarket pod air filters installed. 5 or 2. The plugs are “sooted” a bit still, but I can Aug 5, 2019 · Hello, I have a 1980 XS650 that is stock except for UNI pod filters. Both of us ride 1977D survivors in pretty good shape other than a 40yo worn engine. Apr 27, 2018 · LPYYZ, most successful jetting results from working with secondary effects. The Mikuni VM34 smooth bore carburetor kit is easy bolt on horsepower. General Discussion The Garage Dec 30, 2010 · Enjoy XS650. Removal or slight modification of sid Heiden Tuning is a motorcycle store specialised in the Yamaha XS650. Where can I get replacement parts, and what should I replace now it’s all disassembled? And how do I learn what sizing the jets are etc. The best you can hope for is a lot of expense installing genuine Keihin bits and grossly excessive fuel consumption. Jul 11, 2012 · I bought a 1975 XS650 that was sitting in a barn for many years. 0 which all feels good. I started to get my jetting done based on what the plugs are indicating bearing in mind I do not want to run the bike Mar 30, 2020 · I'm looking for a good source of information and possibly a troubleshooting guide for bs38 carbs as well as just how to tune the carbs. The engine is a 1970 and it appears to be in stock tune. Default jetting from Hoos. It’s just as well the original CV carbs are fairly straight forward. General Discussion The Garage Nov 1, 2022 · The 750 kit doesn’t seem to need that much of a bump from stock jetting. How big is the diameter of your header pipes? You may want to look into some torque inserts for them Jun 3, 2010 · Enjoy XS650. Sudco sets up VM34 carbs with 2. Any opinions? I’m sure it matters, Jun 4, 2021 · But they're used fairly often on the XS650, and take baseline jetting that's very similar to the usual VM34 baseline: PJ 17. should they be there? Bagged and tagged Sep 24, 2012 · Need more advice. 0 slide both will work fine in a VM34 on an XS650 , you just need to select a richer pilot jet with the 2. in a futile attempt to get the 2-stroke atomizer/needle jet small enough to run at all on a 4-stroke motor. All the research that I have done tells me that I have bs34 carbs. At first, it ran well then it developed a surge taking off from a stop Dec 29, 2009 · Enjoy XS650. I tear them apart pull all the jets and what not clean everything well , decide to go with the dyno jet kit from mikes xs. 9% pure) needles and genuine Mikuni jets. Looking to see what jets people are running on short custom pipes, they end at about the rear motor mount. Just replaced pilot jets from stock 27. Bike runs really well for spirited riding, always starts immediately. Specific jets are included for fine-tuning Carburetors are inherently somewhat generic. I have two questions; First, I have read that mounting the rectifier directly to the frame and with enough air flow is ideal. 25-2. Went through the motor and mounted it to my rigid custom frame. The head underwent a cleanup, 'street porting,' and had Kibblewhite valve springs installed by Roger at R&D Motorcycle Apr 7, 2019 · Hi to All, I am building a street tracker from a XS650SG Special. 5 and 14. I chased it quite a while changing jetting, fuel mixture screws, float levels, air filters, checking electrical, anything I could try. 5, unless high elevation is involved. Good luck with those Chinese carbs. I know its too rich right now but i am going to be running pod filters and a open exhaust (shorty Jan 31, 2018 · I've added a mikuni single carburetor, bike runs alright. The usual re-jetting for minor mods consists of going 1 to 3 up on the mains and 1 or 2 up on the pilots. Jun 7, 2010 · This or any bike really does need some jet tweaking for mods but as noted, it is usually only minor. I currently have these jets to play with. I’ve already torn them down Aug 23, 2022 · Enjoy XS650. Jun 4, 2017 · If you are going to be re-jetting for mods, there are some things you should know about your particular carb set. Just at full throttle it hesitates and cuts out, tried many jet combonations and just can't get it right. Stripped my Mikuni BS38 carbs apart this evening off of my 77 xs650, ready for the ultrasonic cleaner. So I have a 79 xs650 I'm am going to be goin with pod filters and aftermarket dual pipes and was wondering where I should start out for jetting sizes Aug 19, 2020 · I purchased my project recently and included Mikes performance carbs (the PWK flat slide knock offs). This assumes stock jetting -- verify what stock jetting is for your year carbs. 5P and 3/4 mix)? Why the difference if so? Attached is Jun 4, 2021 · But they're used fairly often on the XS650, and take baseline jetting that's very similar to the usual VM34 baseline: PJ 17. I’m assuming it’s in need of a good tuning. Mikuni round slide carburetors are the most popular high performance carb in the sport of motorcycling. I was going to use the Ascot pipes MikesXS listed for that model but they seem to have reduced their range and deleted them - only leaving 650 Central Premium BS34 Jet Kit for Mikuni BS34 CV carbs as used on North American model 1980-84 XS650's 650 Central now offers the finest BS34 jet kit available, featuring Grade 2 titanium (98. If your like me and have bs34 carbs the slide needle only has one positon and the needle jet kit fixes that. Dec 17, 2019 · A) 1974 – 1979 XS650 “Standard” models have Mikuni BS38 CV carbs installed as the stock original carburetors. 5 to 25 depending on the slide used, P-5 or P-6 needle jet, 180 to 190 MJ. Earlier this year, I fitted the 700cc (697cc) JE piston kit and a Shell#1 cam from Hoos. I'm running pods. com receives a small share of sales from some links on this page, but direct donations have a much greater impact on keeping this site going. What jet size would you recomend? Order your Carburetor - LH - Mikuni - VM34 - Yamaha - XS650 from Mikes XS. Apr 15, 2013 · I have a '78 XS650. I popped the carbs off and found that both have a 47. When I pulled off the breather hose I saw some small tubing in the breatherhole. I started to get my jetting done based on what the plugs are indicating bearing in mind I do not want to run the bike Sep 5, 2022 · I'm trying to put a long dormant Redline framed XS650 back on the road with some modern upgrades. If your order from either of the two i would recommend the needle jet kit by heiden tuning its not too expensive and they give you jets new needle and instructions for putting them in. This means pretty much any increase in main jet size will push this area over the edge and require Jul 12, 2010 · Tuning is remarkably easy; upstream and downstream effects of component changes are much reduced, much less change-and-compensate fiddling. Genuine Mikuni VM34 right hand carburetor, with generic jetting, sold Each. The carb I have was not stock. com or 650central, they both offer jets and jet kits for xs650. Mar 23, 2010 · getting ready to rebuild and rejet the carbs, doing the pod intake free flowing pipes (stockers hacked before the muffler with turnout tips) bike is a 1980 with bs34's where is a good start for the jetting, links for rebuild kit and jets are very helpful Heiden Tuning is a motorcycle store specialised in the Yamaha XS650. The book says for my year and and carbs that the mixture screw should be 3 1/2 turns out . Sep 16, 2016 · Hello, It would be great if someone could help me to choose new jets before ordering my parts from US. (I live in Dubai UAE!) I have a 650 XS special 1978 with Mikuni BS38. I added two XS performance Pod Air Filters Dec 20, 2018 · Enjoy XS650. BTW "grizzled" means "streaked with grey," which described my head back in 2004 (nearly all white now); no intended reference to bears:). 5 BS30/96 type pilot, 135 air jet, and a fixed nonadjustable needle. I have bits and pieces by search function and bookmarked discussions from the past, but would like an honest to goodness 100% breakdown if anyone has one off the top of their heads? Thanks Forums Yamaha XS650 Connection, Photos, Comunity Forum Boards. I’d start with a few sizes bigger and see where your at (a little bump for the kit and a little bump for the open exhaust) There is a thread where people have posted their jetting and bike specs for the big bore kits. I set up a wideband AFR meter. , etc. Therefore, do not rely on the fitment guides. Apr 10, 2018 · Hi. It comes and I find that the pilot jets that came with kit are Order your Carburetor - LH - Mikuni - VM34 - Yamaha - XS650 from Mikes XS. Pictures attached. 0 Riding mainly at 700-1000 feet. 0 Air jets taken out Main- 175 Pilot- 22. If you're at high altitude you'll need leaner jetting. 5 pilots). 5 to 30, main jets from 135 to 140, upped the clip on the jet needle to the 2nd slot from the top, have the mixture screw out 2. Aug 18, 2018 · Based on jetting it looks like you have the "XS Performance" Keihin knockoffs of the PWK 28, punched out to 32 mm. A simple, home-made baffle how-to can be found Aug 3, 2018 · Enjoy XS650. So here is the question. Experiment with baffles. 5 and 140 on the mains. Tuning can be done from the bottom up or the top down. I have the canadian needle, adjustable and 2nd clip from top and Oct 22, 2011 · I am rebuilding the carbs on my 80 Xs650. It comes and I find that the pilot jets that came with kit are Mar 20, 2013 · Hello :) Now I have had my XS 650 D '77 for a year and I have just pulled off my carbs for the first time. Just seeking a Good starting point. i guess my year did in fact come with the 135s. Any advice would be appreciated. I would like to know where to start. Start at 3 turns out on your mix screws as well. 5; from sea level to 800 feet or so, usually 22. We are your #1 source for DIY Vintage Motorcycle Parts. Nov 20, 2012 · Needle: 6F5 Needle jet: 159 P3 Pilot jet: 25 Air jet: 2. Main = 190, 195, 210 Pilot = 20, 25, 27. XS650. The carbs come jetted for immediate bolt-on installation. It would be cool to list it like this: Carb Oct 18, 2013 · When I wrote the VM section of the XS650 Garage Carb Guide I intended it as a XS-specific supplement to the Sudco Mikuni Tuning Manual, and I strongly advise anyone working with Mikuni aftermarket carbs to buy a copy. Main: 127. Fits: Mikuni Aftermarket TM36-68 Flatslide Four-Stroke Smoothbore carbs with accelerator pump and bellcrank type slide mechanism. I have some bs38s with what i believe is stock jetting. I am at high altitude Denver any suggestions ? Aug 25, 2017 · Enjoy XS650. General Discussion The Garage Dec 29, 2009 · Enjoy XS650. If yes, suggestions please. Mar 5, 2024 · Proper Jetting and Fuel/Air Screw Position Mikuni VM-34 on a 1972 Yamaha XS2 (650) Hanniusms Mar 5, 2024 main jet mikuni vm34 mikuni vm34's pilot jet proper jetting Prev 1 2 H Dec 29, 2009 · Enjoy XS650. Oct 13, 2021 · D 77 xs650 jetting DaltonB May 5, 2024 The Garage Replies 4 Views 319 May 7, 2024 Kevin Werner J ‘76 xs500 Carburetor tuning (BS38’s) Joee Jul 7, 2024 The Garage Replies 0 Views 166 Jul 7, 2024 Joee J JNaws Carburetor Adventures JNaw May 9, 2024 The Garage 2 3 4 Replies 74 Views 3K Jul 13, 2024 JNaw B Need help only one cylinder firing bigo Jul 21, 2017 · 1978 XS650 with pod filters, straight pipes and bs38 Mikuni's. You might want to consider that before you start cutting on slides. Enjoy XS650. should they be there? Bagged and tagged Jan 31, 2018 · I've added a mikuni single carburetor, bike runs alright. And i wanted to Share what i think is stock euro bs34 carb jets/needle/settings. Oct 13, 2014 · My thoughts are that this subject should become a separate category, as it contains aspects of the Carb section, Ignition, Electrical, Engine Mechanical, and even the exhaust section. If wishing to modify your existing Yamaha XS650 cables to suit the Mikuni VM 34 or use a different air filter rather than the provided POD Air filter you can purchase the carburetor, tuner jet kit and or what ever other components you want individually by following the directions below. May 26, 2024 · ‘79 engine, 750cc big bore just installed, stock cam, HHB CDI charging and ignition kit, straight pipes, velocity stacks with foam inserts. Spark plugs both covered in black soot. I have a miss near WOT above 5K (guess). Previous owner bought and installed 3 years ago but never ran them. Aug 17, 2014 · Properly jetting VM34mm carbs will support up to about 65 rear wheel horsepower on the XS650/750 engine. Includes left and right carburetor. Generally runs between 12. There are very strong secondary effects between cutaway, PJ, NJ, and needle position. This puts the upper midrange right on the verge of being too rich, even though they reduced the needle jet size to a Z-2. 5 main, 42. After rebuilding the head, my bike seems to be running really rich and sputtering. The bike idles nicely for full stoplights and takes throttle well from low rpms through the range. I had a pair of VM34s from my XS400 so I drilled out the holes a little on the intakes so they would Mar 25, 2020 · Hi all, I searched this and couldn't find anything pertaining to BS34's, so don't flame me please! I have an '81 650H with stock jetting on BS34's (132. The project is almost done exept some fine tuning and Jetting. Anyone with good starting points for jetting bs34? Ive red several threads and carbguide which ill follow. Still May 1, 2024 · Having virtually no documentation and no luck finding recommended manufacturer information, I gotta ask the experienced jetting crowd here. 0 slides and lean pilot jets--usually 17. Unrestricted and Free Come Join Us. And I have bought new manifolds from MikesXS Order your Carburetor - LH - Mikuni - VM34 - Yamaha - XS650 from Dime City Cycles. That usually works at sea level up to around 700 feet. Still have the box from Mikes. I prefer to work from the bottom up; selecting the mains accurately involves hard running, and when an engine is fresh off the bench from a build it has to be broken in. The VM series offers a wide range of tuning components to allow precise fuel mixture metering in any application, at any throttle setting, under Aug 5, 2017 · Mailman and I met up for the second time this morning and once again he commented on the bassy, throaty sound of Stella's exhaust. Feb 9, 2018 · Mikes XS is the leading supplier of vintage parts for Yamaha XS motorcycles. Sep 30, 2020 · Enjoy XS650. Unlike raw aluminum needles, which are subject to ethanol corrosion, and somewhat fragile, titanium is extremely corrosion resistant and makes for the Nov 2, 2012 · So I`m about ready to start jetting my father in laws xs650 project and I was thinking it would be awesome if you could hop on the forum and see what other people have done, just to get an idea where to start, plus it would be interesting I think. IIRC, the 750's have BS34's, so the starting is controlled by the pilot circuit - pilot jet, fuel screws and connected passages. Mar 26, 2022 · A 2. 25 turn Feb 17, 2011 · I would suggest going to mikesxs. Dec 29, 2009 · I heard you have to change the jets, when you replace the original air box with the pod type air filters. The section for '70-73 shows two different pilot and mix settings. Mar 20, 2013 · Hello :) Now I have had my XS 650 D '77 for a year and I have just pulled off my carbs for the first time. Mar 5, 2024 · Proper Jetting and Fuel/Air Screw Position Mikuni VM-34 on a 1972 Yamaha XS2 (650) Hanniusms Mar 5, 2024 main jet mikuni vm34 mikuni vm34's pilot jet proper jetting 1 2 Next H Apr 28, 2015 · Enjoy XS650. Have you verified those passages are clear Dec 29, 2009 · Stock jets for your model are 132. Aug 18, 2013 · Before you get on me about doing a search I did and can not find what I am looking for. com? Consider making a donation to help support the site. While riding if I hold at quarter throttle it shudders badly and barely keeps speed. Dec 5, 2019 · 1978 XS650 with pod filters, straight pipes and bs38 Mikuni's. I'll probably just get carb rebuild kit. mufflers too loud so installed baffles in the shorty Aug 31, 2022 · VM34mm carbs from Hoos on a stock motor. 1980 XS650, stock carbs and air filters. 5 or 25. Mikuni's VM Series, round slide carburetors have proven themselves as the performance standard for use on single and multi-cylinder, motorcycle and ATV vehicles. I tried adjusting the idle mixture Oct 12, 2023 · Bs38 jetting Picked up a new xs650 chop project not sure on the year or stock jetting it had a 145 main and 27. Thanks for all the amazing info and help on my builds. I will tell you that I am running a similar set up on my 81, uni pod filters, and a 2-1 gordonscott exhaust with 12inch stainless muffler. I took out the airbox cause I wanna try with UNI filters. 5 Jun 10, 2018 · So my bike runs really well except at 1/4 throttle. Also, where is a good place to start when choosing new jets, I’m sure I’m not looking at a radical change. Guy I bought Apr 24, 2013 · Hey guys, i have bs38 pods with stock jetting running some old k&n oval shaped filters. 9% of the time this means a race engine. It currently has 145 mains (that seems big) and 45 pilot. What do you guys recommend i go with and am able to keep the stock jetting? Thanks Apr 3, 2024 · So, the slide cutaway, needle jet, needle, pilot jet and main jet should all be correct. Ran pretty good just a little popping off idle. General Discussion The Garage Jan 31, 2021 · Enjoy XS650. There were two types used on the BS38 carbs, one designed to use the BS30/96 pilots and the other for the VM22/210 pilots. Oct 22, 2011 · Hi everyone, Is anyone running a single VM36/38 carb setup in Colorado or similar altitude? (5,000 ft) I'm trying to get a base jetting combo. 5 pilot was running super rich tried dropping it to a 142. I rebuilt my top end and re jetted my BS34s to stock jetting. It appears as though I'm running a bit lean and I'm not entirely sure how to adjust the carbs. The '77 and older carbs that use richer Z-6 and Z-8 needle jets get smaller mains and pilots. The difference in Jun 7, 2017 · Enjoy XS650. Heavy throttle stuff ~13 Except Mar 10, 2014 · Jetting issues after head rebuild / and mixture screw issues I have a 1980 XS650 with pods and BUB exhaust (welded in baffles). I've seen a few different kits, anybody have a favorite? Oh yeah, they're stock 78' carbs. Our year, make, and model fitment guides list jets for popular factory and aftermarket carbs, but due to numerous reasons there is not a way to make them 100% accurate. 5 30 32. I am having trouble with the jetting on the bike it has stock carburetors as well. Aug 16, 2011 · I have a '76 xs650, and its not runing right at higher RPM. Intended for stock, or mildly modified engines. At 4450ft in elevation and started jetting at: Needle jet- 159 P-6 Needle- 6F9 Slide- 2. Jun 16, 2012 · Enjoy XS650. Order your Carburetor Kit - XS650 - 1978-1979 - Repair with Jets from Mikes XS. There is no need to go to 36 or 38mm carbs unless you have an engine built and tuned for even more power. '78 XS650, BS38CV carbs. #15 Pilot Jet - VM28/486 Mikuni Type. Filters, Chassis, Brakes, Wheels, Suspension and Engine products are just some of the items we carry. Here’s the issue I’m having: my compression is at 150 on both cylinders which is great but when I crank my bike, exhaust from right cylinder vs left cylinder is like night and day. Dec 17, 2023 · Finally got my 700cc top end rebuilt project to a good intermediate pausing point. Leave the main jet alone for now as that only comes into play from 3/4 to flat out. The kit includes the carburetors, rubber mounting flanges, spare jets, two K&N RB-0610 air filters, throttle cable, and a carburetor tuning guide. Dec 29, 2009 · Enjoy XS650. Installed custom headers with shorty mufflers and put in 45 pilot jets and 145 main jets. 5 turns and had the entire carb sonic bath cleaned. Jan 31, 2015 · OK all you jetting experts, I'll try to make this short. qjxddg hkovkp wrrgbk urnct lgaanrr kfhy htx tptvgkb qtfd gawbgvmp prrc uzdgy ssgty poftn ayou