7.5 hp mercury outboard lower unit

HMS Victory

Recruit
Joined
Apr 26, 2011
Messages
1
Hi All
Well im gettin ripped I cant get the lower unit off to replace the water pump impeller
the serial # starts with 50157... so its 78 i think ?there just 2 nuts front and back
but the front just wont give an inch im i missing somthing here i dont have a manual
any tip hint ??/ out there???? is the shifting linkage stopping it i saw a youtube vid
for taking the 9 hp lower unit off it didnt say anything about linkage very frustrated
thanks
 
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