Without oil, there will be no lubrication. Metal will be moving directly against metal, without a protective oil layer in between. This will cause heat and wear. Pistons can seize in the cylinders and bearings will wear out.
yes
straight fuel/4 stroke
it could be ether !! would need more info E.G make and age !!
The 1974 is a two stroke and weighs approximately 72 lbs. The four stroke equivalent from Johnson today is a little over 100 lbs.
Depends on if its a 2 stroke or 4 stroke.. The 4 stroke are 550-625lbs depending on shaft length and the 2 strokes are 360-410lbs
No, you have to have a license to drive any kind of boat ... sorry
It will flow over the sides
winterize 2013 yamaha 4 stroke twin jet boat
If there is no oil tank on the engine, the oil must be added to the fuel.
One spark plug per cylinder. You didn't mention how many cylinders.
Its a merc. Worth about 8 bucks. Buy a yamaha!
the wake just makes it wobble