It is just that, old gas that has evaporated.
yep i think it is a gas
yep i think it is a gas
Varnish, or in other words it does not smell like gas, it smells almost burnt
Nope, adding new gas to old just makes a larger batch of bad gas.
Gasoline that has turned to varnish in the system. Smell the gas tank filler. Varnish or fresh gas smell. Varnish smell - remove the gas and put at leat five gals back in. Remove spark plugs and spray wd40 and let sit an hour. Oil black or clear. Black - change oil and filter. Add 1/2qt of transmission fluid to oil. Absoutely do not race the engine if it cranks up. Only give it enought gas to keep it running. if you get it running just let it idle for an hour.
No, resin is not a varnish .
No varnish will cover beeswax
A lot of resins are used in varnishes. Printer's varnish uses copal resin, polyurethane varnish uses polyurethane, amber varnish contains amber.
It usually means the gasoline is old however, if you have put an injector cleaner or something like that in your gas it may be cleaning older varnish deposits from fuel lines and even the filter. If you haven't added an injector cleaner to your tank you probably should to help dissolve any varnish buildup caused by old gasoline.
To remove varnish from any surface, use Acetone. Acetone is also in nail varnish remover.
Varnish is not made of nylon. There are a number of different formulas for varnish, but the most popular kind is made from polyurethane.