My Simplicity 6216 garden tractor doesn't get up to full speed and
actually loses speed on an uphill grade. I have adjusted the clutch
and brake according to the manual....
...and have not made any progress.
I have cleaned the variable pulley and replaced the belts.
Transmission fluid is up to the proper level.
When mowing or plowing snow, the ground speed increases very slowly
but does not top out.
When the clutch/brake is released, the tractor starts to move. As
expected, speed increases. As it does, the pedal will slowly raise and
when the tractor is moving full speed the pedal should be all the way
up. However, the pedal never comes all the way up and full speed is
When climbing a hill in the yard the ground speed decreases amd on
level ground it increases somewhat. On a downhill grade the speed
I think the symptoms get worse as the engine warms up.
Any ideas what the problem is?