Will not idle no power

[wyattbear]

"late 70s 6.Hp 2cyl 2 stroke w

"late 70s 6.Hp 2cyl 2 stroke will not idle has no power in the water, cleaned carbs and pump new spark plugs runs somewhat ok out of water thinking it could be upper seal as theres oil under flywheel. Anyone with any ideas..."

 

[haffiman37]

Do a compression test. probabl

Do a compression test. probably one cyl 'gone'.