Your Keihin PWK needs a jet block oring

[@outbackenduro7418]

Hi this is a pretty rare video information thank you for sharing it really helps.

[@marksaunders3726]

Very important, causes all kinds of problems. I leaned out all my jetting and was still getting black spooge and erratic running. Got a new jet block O-ring and it all went away.

[@ReefaReviews]

Love this video my carb has been having my bike run like shit i ordered a couple gaskets hope this fixes it

[@marioschristofi3145]

Thank you for sharing this!

[@2WheelDerness]

thanks for this video, I have problems setting the idle correctly, I have the gaskets but didnt know where to put them since in Keihin diagram are not showned. thank you!

[@danmurphy9553]

great video I could not find this gasket for about 3 months until I came across this vid. awesome job not sure why local dealers and ebay it will not come up until you say JET BLOCK seems odd did every other senerio THANKS ALOT !!!!!!!

[@TurbodanNM]

Some people call it the mid body gasket. I believe jet block gasket is correct name though.

[@jessebrown9046]

thanks for this video bud! I couldnt tune my 35 pwk for the life of me with any size pilot jet, sure enough the oring was beyond wore out, it tuned on a 48 PJ once I replaced it and it runs like a million bucks now, thanks again

[@hungkhan]

Holy smoke, i got the same problems and countless times changing jets, or messing around with the air screw. At the end i found out my problem was not with the rubber but with the ditch that the oring to sit in, the ditch was not even so i has to hot air some plastic into parts of the ditch that was too deep. That fixed the problem hahaha

[@marioguzman9290]

My 01 YZ250 will get a new one, just arrived from ebay, stay tuned! Thanks for the videos.

[@0thinzproduction618]

Did your eBay gasket fix it I got one today too?

[@dirtmoto2780]

Thank god I think you finally solved the issue on my KDX. Just impossible to get this thing jetted at low RPMs and idle. Also loads up constantly. Definitely going to order one of these and see if it fixes my issue. Thank you!

[@TurbodanNM]

Make sure to comment back with an update when you get it done.

[@woutervannoord2306]

did it work?

[@dirtmoto2780]

Sorry I actually forgot about this comment that I made. But yes, it worked. So happy to discover the solution was so simple.

[@250race]

A $15 needle valve is cheaper than buying a new piston. I've ran the CR250 in my race car that I was changing the needle valve twice a year its maintenance that's all it is When the needle valve swells it will lean your bike out you can possibly C's it up

[@TurbodanNM]

Never seen yet, not in 22 years of riding. I'll let you know when the 25 year old needle valve in my K series 125 decides to swell up, or the 16 year old one in my 03.

[@jamesregan7]

I could see a daylight gap in mine thats how I knew I needed a gasket.

[@yzrider3326]

You are a lifesaver! I’ve been chasing a ghost in my 2005 ktm 250 for months! Exact same symptoms as described in video. Thanks

[@TurbodanNM]

Let us know if it solves the problem,

[@yzrider3326]

TurbodanNM ordering parts , update will follow.

[@djcconstruction8189]

@@yzrider3326 did it work?

[@yzrider3326]

@@djcconstruction8189 100 percent worked .

[@djcconstruction8189]

@@yzrider3326 awesome

[@georgeboswell4620]

STIC SuperTorque has this gasket new.

[@georgeboswell4620]

I hear you have a STIC metering block; you should try it. If it is not the latest updated unit contact STIC for a free upgrade.

[@georgeboswell4620]

STIC has the gaskets. www.sticsupertorque.com/index.html

[@100whiteboy3]

Good video by the way man

[@xnotx2]

yup.

[@billterri4889]

How do you get it to stay in place for install Mine keeps popping out before I can reassemble.

[@adamdorris4081]

I actually filed the jetblock mounting bosses down in the attempt to seal those orings still doesn't work

[@kylelanders845]

Would this cause alot of smoking, no torque and bike feels really laggy alot of power loss and keeps fouling plugs when I pull them they are black and wet looking but my bikes jetted correctly idle screw and airmixture screw doesn't do much

[@kylelanders845]

Also replaced topend and put brandnew vforce 3 reeds in so that eliminates them issues it's a 2000 ktm 125sx

[@TurbodanNM]

This is a pretty good description of the usual symptoms. In any case I always tell people the same thing, it's a 20 year old o-ring. If by some chance it's not rock hard and completely trashed, it sure won't be much longer until it is.

[@250race]

Look on eBay Jet bock oring gasket $7 or $8

[@TurbodanNM]

I order from the guy in the netherlands. Takes about ten days, which is not bad, and the quality is good.

[@250race]

@@TurbodanNM Buy a new needle valve to $15

[@TurbodanNM]

@@250race never had a problem with one. Stock is good stuff.

[@100whiteboy3]

What rebuild kit do you get and do you have to purchase this gasket separately?

[@TurbodanNM]

I get them on ebay. Theres a guy in the netherlands that has them. If you look around you may be able to find a domestic supplier.

[@asepwera6271]

Mau tanya boss, apa pengaruh oring bocor ? Saya dari indonesia terima kasih

[@TurbodanNM]

Ini akan menyebabkan kondisi yang kaya pada bukaan throttle rendah.

[@TurbodanNM]

Hope that comes through, I don't speak the language but google attempted to translate.

[@asepwera6271]

@@TurbodanNM terima kasih banyak

[@Montana2strokers]

Anyone know a trick to holding the o ring in place while installing back on carb? Thanks aaron

[@TurbodanNM]

I just seat the oring as best I can into the jet block and carefully place the block upward into the carb body. I suppose you could use a few dabs of superglue to adhere the oring to the block but I've never found it necessary.

[@Hermiwalle]

don't neccesarily use glue a little dab of grease is way better for intallation AND removing

[@freetaylor72]

Hey buddy, on those old pwk carbs, are the floats bigger that the newer ones? I'm having trouble with the float not matching the manual? Therefore I can't adjust the hight..

[@freetaylor72]

Working on a 01 ktm 200, and the same rubber gaskets are shot on mine. It's got a 16 gram float in it and it's not matching what's in the service manual. Was that an original float? Anybody?.... can't find any info about it

[@TurbodanNM]

@@freetaylor72 I don't worry much about float height. It's not the big deal some people make it out to be. Too high will waste fuel, too low might bog under certain conditions. Seems to tolerate a wide range though.

[@TheFrog767]

👏👏👏🍻

[@bordelonchris7373]

What bit did you use on the tamper proof screws?

[@TurbodanNM]

You can buy a bit for the tamper resistant torx screws, though I can't remember which size. Before I had that I cut a slot into the head and removed them that way.

[@bordelonchris7373]

@@TurbodanNM Thanks. I'll check my bits.