a/f screws

[overboost07]

ok guys hope you can help...i have a 97 kat 600, when i bought the bike the previous owner had a 'custom exhaust' installed which means he had an aftermarket welded on!!!! well i was going to go ride one day and my dad said he could smell that it was really lean so what i was wondering is can i richen up the carbs with the factory jets?

[kevin2502000]

If you turn the a/f out, it will richen up. Not sure if it is enough to be where you need to be though. Probably need to know if it has a stock jetting air filter etc. before you monkey with it too much.

[overboost07]

Well it does have the factory jetting, and it has an oem spec air filter I have replaced it

[IndyGunner]

I had the same problem after I installed an aftermarket slip on. Take off the carbs, drill the brass caps, seat the AF screws and then back them out 2.5 turns. Youll be golden.

[overboost07]

How big of a hole do I need to drill?

[IndyGunner]

drill a small hole big enough to get a threaded screwdriver (dont remember what this is called) to pull off the cap. Then tune as you would any other philips screw

[md86]

Um , what . No , you get out yer trusty dremel (their bit works PERFECTLY for this application ) , and you drill until you can JUST see the hole in the bottom start to widen (if you look close , you can kinda see the hole already) . THEN you thread a wood screw into the cap , and once it gets a good bite , tank it out with pliers . Now you can change you pilot screws with a FLAT screwdriver.

[Court93kat]

Ed's concept is right. Close, but not exact. You drill a small hole just big enough to get a SCREW threaded into it and then pull on the screw to pull the plate out. Just make sure you don't drill deep enough to hit the a/f screws.

[IndyGunner]

I was going to say... didnt I just say that? lol

[Battousai]

ive got an 88 600 kat. i thought if u turned the screws out it leaned it out? am i completely wrong?

[Kreylyn]

ive got an 88 600 kat. i thought if u turned the screws out it leaned it out? am i completely wrong?

The a/f are screws that adjust the amount of FUEL that is introcuded to the air at idle. The more you turn them out, the more fuel... = Richer.

Krey

[ICEG]

The a/f are screws that adjust the amount of FUEL that is introcuded to the air at idle. The more you turn them out, the more fuel... = Richer.

Krey

correct

[md86]

I was going to say... didnt I just say that? lol

No , you said some weird stuff that didn't make sense . Stop drinking the bong water ...

[IndyGunner]

No , you said some weird stuff that didn't make sense . Stop drinking the bong water ...

but its so good!!! hahahaha I said the exact thing you said except instead of a screw use a threaded screwdriver so you can pull it out easier.

[overboost07]

ok are these the things youre talking about to drill so i can get to the a/f screws? and in the second picture what are those screws at the bottom of the carbs? the ones in the ends are out alot further than the inner ones....