delete lines that sum to zero

I need to delete all lines in a file, if the values in all the columns are 0 (so if the sum of the row is 0).

My file is like this (13 columns and 60000 rows, tab delimited)

KO  gene    S10 S11 S12 S1  S2  S3  S4  S5  S6  S7  S8  S9
K02946  aap:NT05HA_2163 0   0   0   0   1   0   8   0   0   5   0   0
K06215  aar:Acear_1499  0   0   0   0   0   0   8   0   0   0   0   0
K00059  acd:AOLE_11635  0   0   5   0   0   0   0   0   8   0   0   0
K00991  afn:Acfer_0744  0   0   0   0   0   0   0   0   0   0   0   0
K01784  aha:AHA_2893    0   0   0   0   0   0   7   0   0   0   0   0
K01497  amd:AMED_3340   0   0   0   0   0   0   0   0   0   0   0   0

How can I do?