Inliners International Forums General Discussion Engines torque sequence

Lee,This is for a 235, but I would think it would be the same for a 250. 95 ft.lbs.torque
As John said start in the middle then alternate across the head.
15 9 5 1 6 11 17
10 2 12
16 14 8 4 3 7 13 18
(Intake/Exhaust Ports Side)
Hope this helps.