KLR 650 Carby Mods

[@shaneomac823]

Did these mods yesterday and a couple others! Bike is running like a champ now! Thanks for the video. The job was done with confidence!

[@garytong3395]

Hi Glenn, Greetings from Tanzania. Just done this mod, after watching your video. Only thing I didn't do was drill the slide compensator hole out to 3mm (only saw it after I'd read the comments argghhh, next time I take the tank off I'll do it). Just been and tried it and I must say the pick-up is now pretty impressive. Thanks for the tutorial. BTW, on my South African spec KLR the snorkel is only about 10cm long, it just goes into the air box and stops, not all convoluted like your spec bike. Cheers and keep it sunny side up :)

[@garrettsmith8286]

5k views & only 65 likes? What's wrong with people? Great & informative video! Keep it up.

[@bobkelly2447]

the answer is simple the audio quality was so poor I could only understand him when he spoke up and I had my volume way up ! and he didn't do anything to the main jet just taking it apart and putting it back together is nothing accomplished... did you see any brass shavings at all ? and to mutilate the air box like that is plane silly. Normally I love modification videos but this was too basic to bother with... cut the spring so throttle response will be faster ? come on ! ...what about the hole enlarging in the slide ? and changing the taper of the needle ... and his voodoo adjustment of the air screw is still confusing to me.... you adjust the air screw to fastest idle, period. what was all the other crap ? in time I expect him to do better but this video wasn't so great.

[@williamsmith5872]

Well done, Glenno! I got my 2008 used with a dirty carby. Cleaning helped but doing these mods put a big smile on my face. Thanks! Noticed other videos for shimming needle and drilling slide hole. Would you recommend these mods in addition to clipping the spring and drilling the main jet? Thanks again!

[@glennosgarage1307]

Nah... next step up is a new carby

[@unclequack5445]

Yo Glenno I have my stock carb tuned in as good as it gets a KLX adjustable needle helps big time, I also did the spring and jetting sure it hurt MPG but it has that free revving feeling 75 mph cruise is effortless now Iridium plug helped more than you will believe I drilled a few 1 inch holes I decided not to cut it open Lexx pipe and stainless header also on top of the big weight savings from new exhaust a lithium battery saves pounds . Pirelli MT 43 trials tire up front , wish there was a full trials tire for a 17 inch rim these are awesome tires.

[@daltonmann4916]

love the opening soundtrack!

[@index3]

Angel with the Scabbed Wings by Marilyn Manson 💀

[@liamerasmusle]

Just done this modification and wow ! Love it completely different bike cheers mate from the kalgoorlie 😎🤘

[@glennosgarage1307]

Turtle The professor .... That's how they should run from the factory... 👍👍👍👍

[@JC-ng6mf]

You sir are the man!

[@tjkroezen6349]

Thanks for the video mate, def something I'll be looking at doing on my 2016 klr.

[@glennosgarage1307]

you'll love the extra power...if you cant get to the air/fuel mixture screw when it's on the bike"wind it all the way in, then wind it out 2&1/4 turns"the screw is hard to get to...that will be very close to the setting

[@Abc87654]

Amazing video, thanks for making this!

[@lifewiththehamptons2191]

I use a 1.6mm drill bit on main jet, 45 air jet, 3 1/2 coils off slide spring, 2 7/64 holes in the slide, and 2 #4 lock washers under the needle, and I grind/taper the stock needle from the tip, half way up the needle. And of course L mod, and slip on.

[@1ronhall]

Thanks for the informative carb mod video.

[@mikecunningham3438]

Hi Glenn, I took my carby apart and found out a previous owner put in a JD Jet kit with a 165 main and drilled the slide. I am not impressed with the power. The bike has a Lexx exhaust and I am going to put on an FMF power bomb header. Do you think it would help if I cut 4 rungs off the slide spring like you recommend in your video or should I not do that because it has the JD Jet kit in it? Thank you.

[@glennosgarage1307]

Mike Cunningham .... sorry for late reply... I didn't receive any notifications... 165main sounds too big... I got best results between 153-155 main... maybe u loose power through too much fuel.... Cutting the spring will only help with throttle response.... won't give power

[@unclequack5445]

The best mods are a KLX needle a metal choke fitting change all carb screws to stainless allen head screws trust me, re jet accordingly to foam filter airbox mods and better flowing pipe just this alone and my 1 gen will pull away from my buds 2012 model easily. The Lexx pipe and a lithium ion battery saves almost 10 lbs I removed the bulky chain guide, went to smaller LED blinkers Aluminum bars Now Im installing aluminum hubs and new wheels costly but I like this bike Also Im trying an aluminum radiator, not sure how much lighter yet. Id like to find a titanium bolt and screw kit and change all that out.

[@glennosgarage1307]

Uncle Quack ...... trying to save weight..... don't buy a KLR.. lol...just put a mikuni on it... I go adventure riding with swag and panniers so titanium screws does nothing....lmfao... If I want to hit the dirt hard and not dual sporting I take my YZ and leave KLR at home... same if I want to go hard on road I take my ZX10.... You are wasting your money on KLR ... go buy a husky 701....

[@unclequack5445]

Glenno, I use my 07 KLR as my daily, if i go off road I have a Cr 250 2 stroke , A trick XR 600 Al Baker suspension 630 piston kit ported head New exhaust and a pumper carb set up, and a Suzuki Bandit 1200 thats for sale, I want a more modern street bike The Bandit is old school Happy Riding Glenno !!!

[@phredocassera2939]

@@glennosgarage1307 Titanium Screws seize less than steel or stainless , in aluminum.. Allen /female hex, make it easier to control the torque without havin to push so hard.. JIS screwdrivers help with the stock screws

[@LarsGTV6]

Hi there - and thanks for the video. I bought a Kawa KL650 Tengai, 1991 model with 58.000 km on it. Everything is stock on this bike except the muffler which is SuperTrapp 813 slip-on. There is 7 discs. I have not opened the carb yet, so I don't know if the jettings is stock. But if I do your mods, do I have to replace/add discs on the muffler? Greetings from way up north in Norway (and we are talking way up... 🙂)

[@glennosgarage1307]

Sorry... I'm not sure what you mean by discs... The mod will work fine... even on stock set up but you will notice more if the airbox snorkel and muffler replaced

[@LarsGTV6]

Thanks for answering. SuperTrapp use discs to improve backpressure due to the number of discs supertrapp.com/pub/static/version1563471487/frontend/embold/supertrapp/en_US/pdf/resources/003-0127.pdf

[@frankpurciful7926]

Glenn. Love your channel. I did this mod and haven't ridden it yet but it sounds totally different and throttle response is so improved. Question if I go to a lexx exhaust or similar will the bike lean back out too far? No KLX needle or 22 cent mod. here. Did and interesting air box mod I will send you a pic some time

[@glennkington1507]

Frank Purciful ... no.. you may have to adjust your air/fuel mixture screw a half turn or so

[@frankpurciful7926]

Glenn Kington The mixture screw affects the mixture at idle to 1/4 throttle right? So fired her up with DG exhaust today. Sounds awesome. Getting some after fire when letting off. Bigger on the main? Bigger on the pilot? What does drilling the stock 150 to 1.5mm essentially make it? Thanks in advance

[@glennkington1507]

Frank Purciful .... about 154-155 which is what you want..... mixture between 2-2.5 turns out and u should be on the money

[@frankpurciful7926]

Glenn Kington So I've read some after fire is normal with a free flowing exhaust. Do you agree. Pop pop when letting off from higher RPMs

[@glennkington1507]

Frank Purciful ...... nah... a little crackle here and there is alright.... I had mine running sweet with no pops.... my zx10 let's out a woof due to the flames it spits out.... lol

[@unclequack5445]

Yo Glenno how did you dump your bike? the road looked clear, was it gravel or sand on top the asphalt?

[@haywoodyoudome]

He explains it at 10:20 basically the skill meter ran out.

[@mikecunningham3438]

Thanks for all the good Info. Will this mod work on my 2013 (US) KLR or do I have to do anything different?

[@glennkington1507]

Mike Cunningham ... it will work on any KLR

[@mikecunningham3438]

Thanks Glenn, I sent an email to Mikunioz but didn't get a response. Do you know what they charge for the carby? Thanks.

[@tomrushing7703]

What are your thoughts on removing the snorkel? Does it help, hurt or make much difference. I have a 2006 supermoto so it won't be getting into any water or dirt.

[@glennosgarage1307]

The snorkel was the first thing to be removed when I modded the stock carby... It's just an air restrictor.... but without the snorkel and or cutting holes in airbox you'll just be cleaning your air filter more often.(a small price to pay)

[@OOOHYEAAAHH]

Seems pretty cool, I have an 1989 klr650 tengai. She's running quite hot here in cold netherlands so gotta look into that first. But i'm wondering if i'd do this to the old girl it would work aswell. Bike has 70.000 k's but the piston got replaced at 51.000

[@glennkington1507]

Bob ..... Yeh will be fine... in 1989 they were not as strict with fuel consumption... you will have a better needle to work with and u will have bigger air holes in the slide so just clip a few coils off the spring... drill the main jet and tune the air/fuel mixture.... make sure u have an after market muffler and you will love the mod...

[@OOOHYEAAAHH]

Fixed the hot running issue, bloody exhaust had no gasket in it at the head so it was backfiring constantly. Sound good! first gotta get a aftermarket exhaust because this stock thing is really meh.

[@klrbiker]

My 2000 stock carb is surging now, so time for the carb to be off. Guess I'll see what 89000 mile carb looks like. Thanks

[@a737mech]

Would you say this mod is better man klx mod?

[@jwhiteker2003]

Are you running a KLX needle or stock needle? I assume stock, but want to be sure.

[@glennosgarage1307]

jwhiteker2003 ... KLR carby is completely stock... the only mods is to the main jet... stock needle on this one

[@eneeland]

Glenno: Do you think a 1/16" drillbit would do the trick instead of 1.5 mm? They're pretty close.

[@glennosgarage1307]

yes.... too big ... that would drill out the jet to approx size 160 which will be to rich... you dont want to go bigger than a 155 jet

[@eneeland]

Thank you for responding. I picked up a 1.5 mm today (measured it too!)

[@nickgross1758]

Well damn!! Too late.

[@eneeland]

Glenno: If my KLR carby has two holes, should I be drilling out the slide to 3 mm?

[@glennosgarage1307]

Yes and cut 2-3 coils off the slide spring...

[@eneeland]

@@glennosgarage1307 Thank you from Canada.

[@jarrodcraft219]

good vid. but will this work on Kawasaki Vulcan 750. fan not turning on i tested fan it works. has one wire to fan switch one wire to temp switch. how would i go by connecting toggle switch to fan. you have any suggestions on what to do

[@glennosgarage1307]

Put toggle on fan switch wire so can manually turn on

[@jarrodcraft219]

@@glennosgarage1307 thanks for info .but not sure how to connect though. need step by step guide. if possible id appreciate info i never worked on motor cycle before . i bought 6A 12 VDC 72 W on off switch.do i need to put fuse on it?

[@glennosgarage1307]

@@jarrodcraft219 no.. not drawing enough amps to warrant a fuse

[@jarrodcraft219]

@@glennosgarage1307 One Q I have a 15A-12V 180W 3 prong single thrill double pole switch how could i hook that up thanks for helping me

[@glennosgarage1307]

@@jarrodcraft219 you will have a positive and negative from the back of switch get a couple of scotch locks so it's easy to splice into the wires

[@mikecunningham3438]

Thanks Glenn. I sent an email to Mikunios but didn't get a response. Do you happen to know about what they charge for the Carby? Thanks.

[@glennosgarage1307]

Mike Cunningham ... just Google Mikunioz... all prices are on web site.... been in contact with a KZbinr who fitted one and helped him out with fine tune and his reply was "bloody scary now" lol

[@manofmanythingz4812]

2010 KLR here..i may try the carb mod...im going to get a FMF muffler..if i do the mod and get the muffler how better will my klr be?..Thanks

[@glennkington1507]

ManOfMany Thingz ...you will notice a big difference from stock especially with the torque factor..my son has the same carby mod on his.. it will eat stock KLRs all day... happy riding

[@manofmanythingz4812]

Glenn Kington thanks

[@glennkington1507]

ManOfMany Thingz .. if too hard to get to your air/fuel mixture screw...wind it all the way in then wind out 2 & 1/4 turns while carby is off bike

[@manofmanythingz4812]

Glenn Kington ok

[@d.f.9747]

Hey, thanks for video. I was wondering if you did anything like filling holes as I think mine is still LAMS and turtle like. Can I go anc do what you did in here without filling holes? Cheers

[@glennosgarage1307]

D. F. What holes do you want to fill?

[@d.f.9747]

Glenno's Garage Aussie klrs have two holes on slide I think, at least what I found is that European models don't have and only Aussie models have two holes which limits the bike. Either way buying new Harley Davidson slide or filling those holes fix it? Lastly, with stock carby, range is about 360 kms on highway. If I do it the way you showed, what would be range in your experience?

[@glennosgarage1307]

D. F. ... no it doesn't limit the bike... if you have 1 hole in slide then run a 3mm drill bit through it to make it bigger and the slide will come up quicker making it more responsive when you throttle on...

[@d.f.9747]

Glenno's Garage what is its range now roughly? Thank you

[@glennosgarage1307]

D. F. .... I'm running mikuni carb... modding the original carb makes hardly any difference to fuel consumption... depends on how much you use the throttle...

[@unclequack5445]

Dude jets are cheap why drill it out? now you cant change it back. Sir, adjusting the needle DOES make a difference it upped my cruise easily. I see you cut your airbox to far and had to blue silicone it back shut, did you take the back fire screen out? I did not but i did drill 2-1 inch holes on top but you cant even tell, it still looks stock .

[@glennosgarage1307]

Uncle Quack .... it's a cheap mod u can do and if for some reason you want to change it back just buy a jet... they are cheap... I was experimenting with the air box due to changing carbies...

[@Hobartez]

MIKUNI HSR42 TM42 42MM FLAT SLIDE PUMPER CARBURETOR This one?

[@glennosgarage1307]

Think it the TM42... but check the mikunioz website....

[@DanielSanchez-vi2gc]

Alguien tendrá un video similar en español ayuda

[@andrewcunningham3457]

Mike C.

[@emarydrilling]

sorry, had to turn the volume off......never learned anything here

[@glennosgarage1307]

That's good... happy to help

[@TheBestSib]

Do not cut spring.... RPM will go down much slower dont do this.. bullshit.... also u can drill orginal noozle but remember that u never will get same orginal noozle

[@bobkelly2447]

I added a dislike to this video for 2 reasons.... One you did absolutely NOTHING to that main jet perhaps I misunderstood that you pre drilled it out earlier or something but in the video you did nothing at all to that thing. I have drilled out main jets in my time when I couldn't afford to buy one and if you don't have a tiny drill bit the size you need check the cutting torch tip cleaner assortment for the right size. I found one that the end would fit in the hole but the file section wouldn't so I worked it till it did the results were a size bigger as a result... and it worked great. two. cutting the air box like that is totally unnecessary... 3# 2" HOLES WITH A HOLE SAW IS MORE THAN ENOUGH ! even one would probably be adequate. but the way you did it looses all of the box rigidity .... totally a Bad idea ! Riding the KLR like a crotch rocket is not a good idea as you found out .. the tires ment for dirt are not very good for side wall adhesion to the pavement.... yes you can ride, and have no fear.... but perhaps it is a sign of stupidity, not bravido eh ? spending weeks in the hospital or laid up for a quick fun ride is just not smart ! Cool it Bro !

[@glennosgarage1307]

Of course the jet was predrilled...the cv carby was sitting on the shelf not in use due to having the Mikuni fitted... all you have to do for extra air is take snorkel out of air box... the Mikuni needs the air box cut... rigidity is not an issue and never has been.. you underestimate the strength of plastic.. Personally I don't like to drill jets but there are plenty of people on a budget that have used this mod and love it... I prefer the mikuni mod but I don't mind throwing $$$ at a bike to make it more usable and fun.. Get it right.. I was riding KLR like a supermoto not a crotch rocket... they are actually 2 different types of bikes and riding styles just so you know.. Yes.. I know the limits of the KLR on road and off road..so staying in the limits of the bike I've had no issues but sometimes it takes a little drop to know where your or your bikes limits are... Thanks for your concern but I ride in my fun zone and will continue as I have done for well over 30yrs... Stay safe BRO...

[@bobkelly2447]

@@glennosgarage1307 Ahh ! OK I don't own a KLR though I would like to... I only have a 30" inseam and that is a major factor when I insist on having my feet flat on the ground ! does your bike get the wheel off the ground when just accelerating ? that is a major improvement I must admit ! I don't know anyone that likes to drill main jets but when the money isn't there you do what you must ! you might drill out the hole in the slide that applies suction to the diaphragm so you get faster throttle response.... and don't forget the doo-hicky ! (cam chain tensioner) and rear sub frame through bolt you obviously ride it hard ... GOOD ! enjoy it while you can ( I'll change my dislike to a like ! keep after it !) the airscrew only really affects the engine at idle and slightly above but it makes a world of difference on acceleration adjust it to where the engine runs the best not a set number of turns out. because each engine is different! .... and you can squeeze just a bit more performance out of that thing !

[@glennosgarage1307]

@@bobkelly2447 ... check out my mods vid and my KLR vs DR vid and youll see the difference the mikuni makes....and dont forget the motor is totally stock...