While you wait for answers, we may have found some information which could help you.
Click here for Troy Bilt Tb90bc
fuel lines replacement for Z825sd weed eater?
Troy Bilt TB20 CS trimmer stops?
How do I replace the primer bulb on my Troy Built String Trimmer?
why wont my weed eater run when i give it gas ?
how do i replace starter rope on Troy Bilt TB20CS gas trimmer?
Primer Bulb for Troy-Bilt TB475SS?