B21 Bogs down for no apparent reason

ImConfused666

New member
I have a 1999 B21 that was abused by it's previous owner. It runs great in a straight line. When I turn hard to the left or the right, it starts blowing black smoke and bogs down. That means it;s acting like it's under a heavy load. I've also noticed that if I start moving the bucket up and down when it starts doing that, then it starts to run right but only as long as I'm moving the bucket. This makes me think that the problem could somehow be in the hydraulics...

I'm totally confused.
 

ImConfused666

New member
The hydrostatic drive and hydraulics all run off the same pump and fluid. One system; different filters and pressures. I also changed all filters and the fluid when I first got it. The hydraulics actually run a lot stronger than the day I got it, except when it starts bogging down. Once that starts, it continues even when driving straight.

Stranger and stranger...
 
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