125-200cc 09 Wr 125 Bog/Performance Solved?

Sick of the rollers I wanna RIDE!

Smook'em if you got'em!

I just ordered th -61 and -63 needles. See if one of those are available.

Have not done any real riding with the setups but on the rollers it can mess with the bike loading it down with gears and such. The middle clip seems to be good. I think Dartys setup is just fine for the temp range/elevation he stated. 800 or so feet Ob seELeVel and 60-90ish. I went to the #4 slide today with clip in middle, 470main, and 35 pilot at two turns out and it seemed to be the same response and power on the dyno but will have to ride it this weekend. I went leaner on the pilot to try to gain fuel mileage as that is very important to me. Top end seemed unaffected by the pilot with the 470 main and RM needle and this would not be the case with the stock DEY/BFY needles. I also put the air filter back in today in prep for a real test ride; not a bit of change in the dynno number. Then I swapped the silencer from stock to FMF Turbin Core II and found really no change in power on the rollers. I was a bit mad that the bike was not much if any quieter. Has a sparky this way though and that is good for smokey BEAR.

Lawn Sprinkler, I think the 61 needle may be fine in the colder weather and the 63 in the hot. I have not tried to get the blubber with the 62 as Dartty settled on but feel in my conditions it may be a little lean on the main even with the 470; I have not larger than that to try other than a drilled out hog jet for testing needle flow. I need to try this with the RM needle as I have not had a blubber with the RM needle up top. Plug is not that light SNICKERS brown I would like to see, no peanuts.

Here is the reasoning behind the 62 needle. It worked the best with the 460 main and 45 pilot (Already in place from power up kit and all you have to do is fine jet from there). I did purchase the 5.0 slide (after borrowing it from the RM). Originally, I started with the 64 needle/5.0 slide and was still lean. I swapped pilots and mains but still was lean. I then went to the 63, which I knew, I was getting warmer. I had jets (Pilots/Mains) several stages above and below the 460/45. If I didn't hit the numbers, then I moved on. I was stubborn to try and hit what ever combos I ran with clips in the middle positions, so I always have easier up top adjustments if needed. The 62 needle was the mother load with the 62 RM needle,460/45/5.0 slide. The 61/60 needles were too rich for my bike's blood and the 63/64 too lean. In these carbs, there is a sweet spot, not too rich and not too lean. You hit it and hang on, you'll love it.
These settings are for my elevation/my current temps. I do know that Walt is working with the 61/60 needles with his 144. Mike, I think you'll be fine with the 61 in your 144 kit. We can hardly wait for Walt's feedback!.
You can use the other needles but you'll have to adjust mains/pilots/clip positions for the difference.

Update:

I am anxiously waiting cooler weather, so I can see what adjustments we may need and pass that info to you guys. I do know so far that when it gets cooler, one clip richer is too much, one size main up is too rich. My TMXX does not like knee jerk moves. Walt recommended me trying to to go to a 47.5 pilot instead of a 45 (makes the bike act like I have a 465 main because the pilot still feeds the top). Also, I spoke to a Mikuni tech guru and he said the 2 stroke race teams use the needle shims for a small adjustment (1/2 clip) or a small pilot adjustment, exactly what Walt told me. I will be trying them both but the cooler weather just seams to be staying away.

My goal is to have my warm weather setting (which I have currently) and a cool weather one, with just a small pilot change or a simple 1/2 clip move up top. As soon as I know what my findings are I will pass the info on........................

Unless we get Dynosaurus (who still hasn't got his bike muddy yet) to put his Dyno in a walk in cooler, at his local butcher shop.

Instead of an orange face like Knighter, he'll have a blue face! Just teasing GSXR1000!
Thanx

Darin

What is difference between a 6CHY16-61 and a 6CHY17-61 ?

Darin,

The 61 needle worked great in my 144 at Bend ~4000'+. The only problem with the 61 middle notch, 460 main, 45 pilot was the pilot being too rich. I had to run it with the airspeed 2.5 turns out and it would still load up if I idled it any length of time. Otherwise the 144 ran great the whole weekend. Temps were between 40-60 degrees.

I have mounted up the 167 and went to a 480 main, same needle, position, and pilot. Turned the air speed in to 1.5 turns out for break in on the new piston kit. Pilot is still rich, but otherwise settings are spot on. I have about 2 hours on the 167 now around the house and on the gravel road. I always forget how impressive the 167 is compared to the 144 until I jump on it. If Husky has their sh*t together they will offer a 175 based on the 125 motor in the near future. It really is the ideal displacement for 99% of riding. Stroke the crank 4 mm and bore to 60 mm which the new cylinder will easily accomodate and you have the best woods/enduro/HS weapon in the world. 4 mm is ~ 5/32"

Dwight your 6CHY16-61 needle should be there by tomorrow. I would think that if you need the same jetting as Darin, dropping the needle a notch will accomplish it. Measuring the needles shows very incremental differences between the 60 and 61 needle that I have.

Keep all the info coming

My 61 came in the mail today so I'll get to try it out on Sunday. The snow level will only be 1000 feet higher then where we ride so temps should be 35 to 40 degrees. I swapped out the 36 pwk for the 38 tmx and immediately noticed the loss in bottom and mid. The top is a bit stronger with the 38 (duh). Hopefully the needle will help the mid.

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What is difference between a 6CHY16-61 and a 6CHY17-61 ? I thought I had found a 61 but noticed it was a 17-61 and not the 16-61. They look similar.

Team,
The difference between the CHY16 needle (which is the only one you can order now) and the CHY17 is a 1/2 clip washer you have to order. Matt is correct, it's only a 1/2 clip difference. You can order the washer and holder and it's on the bottom of the 04 RM 125 parts fiche. Go all the way to the bottom of the page. My holder came but the washer is on backorder till mid November. In the meantime, I ordered some 1/2 clip shims from a snowmobile supplier.
I just got back home this afternoon from South Dakota and got my 1/2 clip shims to try under the needle. I really could not tell a big difference and the plug is still towards the lighter brown side (not the comfort zone), since the temps have dropped.
As long as it doesn't rain this weekend, I will take Walt's suggestion and put the 47.5 pilot in and also compare it versus a full clip move richer on the needle. Currently, with the cooler temps below 60 degrees, I am 460 main, 45 pilot and clip moved (one notch down (Richer) or 4th position down from top with the -62 needle. My plug is perculating Folger's coffee, dark brown.

Walt, thanx for your great imput and helping us.

You'll have all of us wanting a 167 kit now!

Thanx

Darin

Here are the Suzuki part numbers for the 1/2 clip washer #13394-36F20. The throttle cable holder is machined a little more to allow for the shim. The holder #13518-36F20.
Combined they are $10.50.

Lawndartmike, Good luck in trying your needle this sunday and hope you like it.

Thanx

Darin

KWEL , Thanks

Has anyone tried the Scary Fast Power Now and the Power Now Plus ? Looks like with such a huge carb that this might help keep the intake velocity up. I will be playing with the bike some this weekend while setting it up getting ready for the Perry Mtn. M/C , Gobbler Getter Enduro (Maplesville, Al). A huge enduro put on by a first class club and it is always a challenge while always being ridable.
Dwight

PS: Anyone near here should try to make it. SERA / SETRA / AMA Sanctioned. NEPG Rules. NO TIME KEEPING !

Vinduro,

I think the Power Now or Scary fast should work fine. I know some guys could tell a difference with them. I have not tried one yet but you could do some R&D for us and try one with the new needles.

Update: Looks like the weather is going to be 50's this Saturday so I am going to do some playing around with clip positions/pilot changes/or main changes. I thought for a while that I had a warm weather hex on me. Will let you know how the plug turns out. I wanted to race it on Sunday but don't have the IMS tank yet so going to run the WR250.

OK, I just rode around they yard for 15 minutes with the 17-61 needle in the #2 position with the #5 slide. Feels good. No major bog. Not real strong in middle but pulls steady till it hits the pipe / power valve opens. 460 main 45 pilot, airscrew set at 1.5 turns out. Now thinking about gearing. Stock isn't bad but is is going to work in east coast tight woods racing ? I believe Jay said he is using a 52T rear. Stock is 50T. The lower gearing would allow it to pull harder in the lower RPM.

13/52 is the most popular. I am currently running 12/50 but that is due to the really tall MT16 I have on the back.

Thanks ! Just put that gearing on ! Save stock gearing for the 175 kit.

Vinduro,

Have you put Walt's powervalve spring kit in ($60 Hall's)? I am using the stock/silver spring. It delays the powervalve and cleans up that mid range issue if the powervalve opens early.

I am running 12/50 gearing on mine.

Thanx!

Darin