Post jet kit tuning

[WCTHEMI]

I put in the jet kit and everything is good, as my machine had zero miles on it, I set it up rich, now that I have forty or so miles on it, I think that I can lean it up some. Being relativly new to four stroke tuning, I am wondering if anyone can give me some tuning tips. Thanks.

 

[MrSled]

why would you think you need to lean it...tell me what the machine is doing...good top end....snappy but falls off??

 

[WCTHEMI]

It doesn't respond like I think it should, seems somewhat sluggish and burns more fuel than what I think it should, I won't make any drastic changes, just want to try and tune it in better. I found a good tip in the tips section of Totallyamaha.com and will try it to get a better idea of how my machine is running.

 

[MrSled]

Ya try that method...I wrote that on taping off the air intake

 

[WCTHEMI]

I leaned it up some, maybe half a turn on the mixture screw, seems way better, hopefully will get to test properly this afternoon.