cutting deck is unlevel? bolens 13am762f765?

My bolens model 13am762f765 will not stay running going down a hill?

what can we do to fix it please?

changing oil?

whats the problem?

bolens riding mower ?

bolens ltx14 hydrostatic box ?

can u still get old parts for bolens model 34072 33inch mulching deck?

Bolens,briggs stratten engine?

Bolens Hydo Axle?

Bolens riding mower wont start?

Parts for Bolens mowers ?

mower wont start?