An update on using the NGK AFX a/f meter

I just finished tuning the XR200 with the a/f meter, and got it so very close without even taking it off the stand You guys need to get an a/f meter and pass it around or something..

Here's how it went today..

Picking from last time I worked on the XR, I took out the 42 pilot jet and put in a 40 and whoops the 'box' says waaay to rich..what the heck happened?? I take it apart and ahh I see... I'd misread it and put a 48 in by mistake! ..I probably would have been riding around with that 48 in there for how long trying to see how it felt etc ..BUT relying on the box, I took it apart and spotted wrong sized pj inside.

So in goes the 40 pilot jet.. a little leaner fuel mix down low than with the 42 and a/f ratio now in the 12s, but too lean as I rev it some-in fact popping as the revs get higher and the box is reading above 15:1, so I richen the needle one notch and BINGO it's looking good

I finish it off by richening up the idle mix a little and I'm a happy camper. Still need to do on the road WOT testing though; and of course more tuning on the Kawasaki


- Best thing since sliced bread. It saved me a ton of time and effort. Next report will be on the Kaw

 

Hey Richard, lets go buddy.. We need some actual AFR's on that TM36-68 as well as the difference the insert makes.. I want to buy the carb but I will not tune it based on opinion and conjecture without any actual numbers to back up the suggestions. I thought the DJ stage 2 was perfectly fine as the bike ran great - Dyno AFR chart showed just how wrong I was.
I'd like to do the same with the TM36 if you can get me in the ballpark with your AFR meter and settings... OK?

 

I'm on hiatus for awhile.. my recent gains have satiated my need for speed it seems. But I may wake up one day and give it a go