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could you please tell me the weight of a 1980 mercury 80hp 2 stroke outboard motor
A 9.8 hp Mercury outboard, serial number 3270176, would be a 1972 year model.
could be the egr valve
The opposite of straight could be crooked, curved, turned, or bent. The opposite of straight (honest) could be dishonest, devious, or corrupt. The opposite of straight (slang for heterosexual) would be gay.
Could be wheel balance.
Could be out of balance Tire may be worn and need replacement Could be a bent wheel
If a car is sputtering at low speeds when driving one thing it could be is a clogged fuel filter. Another possibility is the catalytic converter could need replaced.
If you hit it at high speeds in a car, it is likely to be the death of you.
It could be your tires, have them checked.
5.665, 5.674
could be a blockage in your fuel lines.
A loud knocking noise in the motor of a car at high speeds is most likely the engine. There could be another issue with the transmission if the knocking only happens at high speeds.