B737NG Flaps 25 take-off

[RTO]

Flap 25 takeoff is permitted in the -700, but not -800.

Bollox, F25 takeoffs are normal operation in both the older and the SWP 800's

From the -800 FCOM:

Enter takeoff flaps setting. Manual entry of 1, 5, 10, 15, or 25 allowed