jetting problems after spending $2000 on mods

I lubed it with some pb blaster and moved it around, and now I shifts fine. Just from being open those few days must of had a little rust buildup.
 
Passed the second leakdown test. Made some timing marks on the magneto and reassembled it. I'm getting good at this now, lots of practice. Got the motor in and its time to fab up an air intake. I'm thinking about piping the air filter back so it sits between the grab bar. Any thoughts? Higher clearance and I still keep my storage compartment that I fabbed up from the stock a/f housing. I've got a 60 pilot and a 152 main in it now. I have a inferred temp gun coming for it. I have a new cdi coming just so I have it if its still the same results. I slotted the stator and got a magneto puller so I can adjust timing if I need too.
 
I got it in and it started right up. Didn't have time to put a timing light on it. The 2 yrd old woke up from his nap. I fabed up an air intake I think that will work nicely. Its not quite finished. I'm still thinking of what I could use a shield. I was thinking a clear container that would cover the filter and then cut slots in it so it can breath. That will keep the mud of of it.
I have it cleaned up and painted gray to match the frame. I think it will work great.

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Today sucked a*s. I went to the local lake and there was 1" of ice. Tried another lake, open. So I called a friend that has access to 34 acres. But it was too much snow and mud to get any kind of speed up, so that was a wash. I'm glad I brought the sled to play on though. There were a group of guys bombing around on sleds and a can am. I got to take each one for a spin, was alright. There is just nothing like trail riding though. Open field is boring after an hour.
So I found a spot real close to my house thats public land. Its a paved road and I'd probably get a ticket if the cops showed up. But I did only 3 runs and left. I got to do a plug chop finally.
The bike didn't not like the new intake. It popped when I hit 1/2 throttle. I pulled off the tube and just left the 4" rubber hose on it. It ran much better. I was only able to get it up to forth on that stretch. The plug is a light grey color. I have to find the plug chop post with the pics. Anyone have it handy?
The bike felt fast the first 1/2 throttle. The 60 pilot must still be too lean. It didn't miss a beat.
Here are the pics.

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dude, you headed for another meltdown,
you rode it for hours today, before doing the plug chop ?
that is a sure recipe for disaster
that plug has no color at all down near the base where the smoke ring should be, and that has nothing to do with the pilot

we have all spent countless posts trying to get you to follow a proven procedure, but you skipped steps again, and instead of spending time properly tuning it, wasted it on some ridiculous snorkel/pod filter

and just insist on riding it, without tuning the carb and doing plug chops first

my advice now is for you to sale it before frying it again, and buy yourself a 4 stroke, you obviously just cannot comprehend tuning procedures for a 2 stroke

last post in here......i give up !
 
Today sucked a*s. I went to the local lake and there was 1" of ice. Tried another lake, open. So I called a friend that has access to 34 acres. But it was too much snow and mud to get any kind of speed up, so that was a wash. I'm glad I brought the sled to play on though. There were a group of guys bombing around on sleds and a can am. I got to take each one for a spin, was alright. There is just nothing like trail riding though. Open field is boring after an hour.
So I found a spot real close to my house thats public land. Its a paved road and I'd probably get a ticket if the cops showed up. But I did only 3 runs and left. I got to do a plug chop finally.
The bike didn't not like the new intake. It popped when I hit 1/2 throttle. I pulled off the tube and just left the 4" rubber hose on it. It ran much better. I was only able to get it up to forth on that stretch. The plug is a light grey color. I have to find the plug chop post with the pics. Anyone have it handy?
The bike felt fast the first 1/2 throttle. The 60 pilot must still be too lean. It didn't miss a beat.
Here are the pics.

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Grey is very lean! Start at 160 do a chop with that in 5th or six gear only WOT! I would refrain from riding it at all till ya get this dialed in!

I think your smoke ring is at the top because you couldn't get into a higher gear for any length of time so it's reading the needle settings. Which is lean also, step that clip down two spaces so it raises the needle and riches it up! I'm pretty sure a 60 pilot is way on the rich side, the 35mm comes stock with a 48 I have had to bump mine up to a 52, but 60 is huge!

How is the idle? air screw setting? When ya stab the throttle at idle does the rpm come down steady no hagging?
 
Hey AWK, who said I rode it for hours??? You sure are quick to criticize when you don't know the facts. You know what they say about assuming.
As soon I as realized that the field conditions were not going to work I ran it back to my trailer and pulled off the sled.
I think you owe me an apology!
My options are very limited for WOT runs.
 
So if its reading the pilot on the plug chop and its grey/lean. Wouldn't I need to bump up the pilot more? What happes when the pilot gets too rich? Will it not idle?
 
So I called a friend that has access to 34 acres. But it was too much snow and mud to get any kind of speed up, so that was a wash.

you rode it here /\/\/\

So I found a spot real close to my house thats public land. Its a paved road and I'd probably get a ticket if the cops showed up. But I did only 3 runs and left. I got to do a plug chop finally.

then plug chopped it later /\/\/\


i don't think thats ASSUMING,
your story of the day sure sounds like a little more than a few minutes of riding to me. if it wasn't, your story made it sound like it.
you tried to ride at 3 spots before plug chopping ?

the bike should have never been riden at all until it was plug chopped to perfection, especially with the history it has, and a new to you 30mm carb jetting
 
So if its reading the pilot on the plug chop and its grey/lean. Wouldn't I need to bump up the pilot more? What happes when the pilot gets too rich? Will it not idle?

The pilot will affect the idle and first 1/8 of the throttle (more so than any other area).

You'll know the pilot is too small if you need less than 1/2 turn on the air screw to get the best cleanest idle. Your pilot is too large if you need more than 2 1/2 turns out to get the best cleanest idle.
 
So if its reading the pilot on the plug chop and its grey/lean. Wouldn't I need to bump up the pilot more? What happes when the pilot gets too rich? Will it not idle?


the setting of the airscrew, where it idles the highest, determines what pilot it needs

if it idles the highest at over 2 turns out = smaller pilot jet
if it idles the highest at under 1 turn out = larger pilot
perfection is at 1.5 turns out

i believe this was covered above

and again............... the bike should have never been ridden out of the garage until this has been jetted
 
I did the plug chop the second ride today when I found a short stretch I could get on. Dude your way to critical

after we've tried time and time again to help you thru this, and you still ride it before jetting the carb is whats critical
as in your motor will be in critical condition again very soon
 
when you say air screw are we talking about the plastic idle screw? or the metal air mixture screw by the bowl?
In the past when i reved it it didn't drop down to idle rpm quickly, it hovered and then calmed down. I didn't try reving it since the last teardown. I have been taking it very easy on it so I don't melt another piston
 
airscrew is located near the bowl, and if it, or the needle, or the main are lean, anyone of them can fry your motor, not just the main
hence my critical-ness

you rode it, unjetted, and i feel the need for some tough love to get you to understand that, as 130 previous posts didn't sink in

get the thing jetted correctly, then go looking for ice
 
I will check the air mixture screw setting and adjust it accordingly and then go back to my city drag run spot and do another plug chop with the 160 main back in it and I will drop the needle clip down 2 slots.
I have main jets 148,152,158,160,165,170,178,180,190,200,205. I have pilots 48,52,58,60,68
 
i know i posted this before in this thread, but here ya go again, it explains everything, and must be followed............

http://www.blasterforum.com/do-yourself-20/jetting-101-everything-explained-1625/

take one jetting circut at a time...pilot/rev clean to 1/4 throttle, then needle to 3/4 throttle, then onto the main at wide open

kudo's for the leakdown test, now read, re-read, and read again until you're a pro at this jetting thing, i'd hate to see you waste anymore loot on this, when jetting can be done in a few hours time and a couple plugs
 
I'm trying dude. I have done tons of reading. I have always been lucky at jetting 4 strokes, i never had these kind of problems.