Tach

[dnxracer]

ya i got a 89 katana speedo works gas gauge works but tach dont i havent lookd at it yet but was jus wonderin what it could be

[6Kat]

check the wiring going to the tach, tach could be bad..

[cintidude04]

ya i got a 89 katana speedo works gas gauge works but tach dont i havent lookd at it yet but was jus wonderin what it could be

disconnected from the harness???? check if any of the wiring has failed???