Mercury/Mariner 40 Bigfoot ? 125 HK
40
‑60HP Bigfoot All Years75
‑125HP 1978 and newer15 Tooth Spline
Note: Flo
‑Torq III Hub Kit 835257K 9 is recommended for 40‑60HP Bigfoot and 75‑115HP Optimax to reduce clutch rattle40
‑60HP Bigfoot All Years75
‑125HP 1978 and newer15 Tooth Spline
Note: Flo
‑Torq III Hub Kit 835257K 9 is recommended for 40‑60HP Bigfoot and 75‑115HP Optimax to reduce clutch rattle