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71-77kgr for 25hp EFI
50:1
The dry weight of a 1985 model, 25hp Mercury outboard is 105 lbs.
No. 1997 Models 3Cylinder 25HP are 2stroke engines with a single carb.
120
B128289
50:1
1986
Is there a shear on a 1975 mercury 200 (20hp) outboard motor
The battery should connect negative side to ground, positive side to the starter switch. Make sure that the wires do not rub to where they will short when going into the engine.
1984.
If it is a 4 stroke then use SAE 10w-30 100% synthetic. If it is a 2 stroke use a 2 stroke 100% synthetic oil.