Not bogging anymore but got popping sounds

[dgyver]

The slides are inside the carbs.

Here is a quick breakdown of what to do. The slides are under the black plastic caps on the top of the carbs. There is a small washer under the vacuum port. Do not lose this washer. Remove the needle from the slide. Note the order of the needle components.

Use a #10-24 tap in one of the outside holes in the bottom of the slide. DO NOT tap the center hole.


Install the screw to determine the depth it will go. Mark the screw where to be cut. The screw needs to be at least 1/4" long and no more than 3/8".


Cut a slot in the end for a small screw driver.


Install the screw so it is flush with the bottom. If it is not flush, tap the hole a little deeper or shorten the screw if longer than 3/8".


Reinstall the needle with its components in the slide. Put the slide back in the carb and repeat for the other carb.

[Tang]

oh man thanks

sounds like a lot of work but i'll give it a wack this weekend

or tomorrow lol

i only do one on each side right?

[dgyver]

Yep 1 hole per slide. Does not take long. It took me about 10 minutes to that one, but then I have done several sets. 

[Tang]

thanks for the write up man

and its probably going to take me longer cuz i have to find someone with a dremel tool

[The Buddha]

Tang before this procedure remember these points.
1. A 4-40 screw and tap will fit without drilling the slide.
2. Slides are freaking $$$ and I have a couple of stock ones that have no mods done, but I have a whole 1/2 dozen blocked ones. Yours if you swap for what you're not using.
3. This step is not really neccesary with stock needle.
Cool.
Buddha.

[dgyver]

Tang before this procedure remember these points.
1. A 4-40 screw and tap will fit without drilling the slide.
2. Slides are freaking $$$ and I have a couple of stock ones that have no mods done, but I have a whole 1/2 dozen blocked ones. Yours if you swap for what you're not using.
3. This step is not really neccesary with stock needle.
Cool.
Buddha.

4-40?  #10 fits without drilling, just need to tap. A #4-40 screw may fit without tapping but risks cracking the slide. Tapping is the safer way.

[Tang]

 

[Tang]

ok i did't put in a screw in the slider but i did take out those two washers out on the needles

and i'm not bogging any more

but i think i'm getting misfires

cuz evertyime i go up in to high rpms and coming back down i hear pops comming out my mufflers

oh yeah i also go new spark plugs

[Jay_wolf]

That will happen with Bigger Jets , k and N Lunchbox and Exhaust , Just unburnt fuel in the Exhaust , That gets Ignited ,

[Tang]

i have 150's main jets do u think i should go down couple sizes say 147 or 142.5 or somethin like that

[dgyver]

Some popping on decel when closing the throttle is normal and more pronounced with a higher flow exhaust & air filter.

Personally my experience with your setup requires a 142.5, with a possible range of 140-145.

[Tang]

thanks Dgyver! for the range

[The Buddha]

You tap it with 4-40 D. Then put a nylon 4-40 and sand it flush. Just no drilling needed.

Tang, yes popping on shut throttle is common, a little staccatto type popping is also not too uncommon due to the slightly unequal length header.

You may want to check your floats and make sure they are right. Taking washer out is not that common, but that #4 is one fat washer. In the old days we used #2 washers if anyone remembers, but those got impossible to find and we had to modify our jet pack.

147.5 could be your next stop if your floats are right. Remember U tube method, to the top of the bowl and no more, and both have to be equal ...

Any other symptoms - hovering idle, hard starting etc etc ... time to fine tune them all at 1 swoop.
Cool.
Buddha.

[Tang]

i think a little hard starting

but other than that i love the way its runs

oh yeah idle hovering esp when i'm shifting gears i expect the rpms to go down but they remain the same before and after i press in the clutch

[Tang]

THE BOG HAS RETURNED!

this time even worse

i give it gas and it goes no where

and it sounds like its pumping fuel or soemthin but just got going :-(

[The Buddha]

Dude send me your carbs, this is a seriously moving target ... somehthing is off on it.
Cool.
Buddha.

[Tang]

wish i couild but at the moment i don't have $45 bucks :-(

[The Buddha]

Wont be $45 ... you got jets and O rings already, $22 labor only max ... BTW shipping yea OK may be $45 with that. I am unable to trouble shoot it without it.
Cool.
Buddha.

[Tang]

blah i dunno where are u located so i can check how much shipping cost

and where did u order the jets and stuff?

[The Buddha]

I buy jets from local dealer who I have trained to fetch the right parts ...
I am in charlotte NC. You're ~100 miles away I think.
Cool.
Buddha.