Originally Posted by Jeffro115
What would be easier to do, but not as accurate would be to calculate the weight of ~4 gal of gasoline and 3 qt of oil.
Than add that number to the advertised dry weight of any motorcycle.
Somebody may want to weigh their own oil, and consider the container it is in, but it seems engine oil weighs 2-4 lbs per quart.
As MotoMind said, gasoline weighs about 6 lbs per gallon.
Weight spec threads are always helpful. Thanks to all contributors, especially montesa_vr.