Heres what I did years ago to my former Toro..FR to FX Air Box mod https://www.lawnmowerforum.com/showthread.php/52096-Kawaaski-FR651V-FX-air-box-conversion
Weird that the nut is still on, think that would have prevented it from falling out or off..
Definite wear pattern around the 1-3/8" point from bolt head.
Thanks, I did that today after mowing a small portion, , All 3 idlers bearings seems similarly warm, but not hot,.,
And the side play was very less noticeable, than when checked cold. Mower ran great.
Good point. Thank You again. Will be having time later this week, to give good inspection & idler pulleys spin w/belt off.
All cutting blades are straight & line up together on all ends. No play I can detect at this time.
I think you may be right.. Never any issues here.. Now I only mix with Amsoil Saber
Never knew of the Shin T-230X, Cool. I love my 10 year old T235.. Best I ever had, & bought it new.