A broken piston ring will allow fuel to enter the exhaust system. The fuel will drain out of the exhaust.
Replace the rectifier/regulator. It regulates (limits) the current coming from the magneto.
Your engine is shot. Rings or valves, probably both, are shot.
Exhaust coming out of the airfilter indicates a possibility of a few things. Motor has jumped time. Burnt Intake Valve It can also be that the valve lash is out of adjustment.
your exhaust may be jammed
Never, because it was a video-game only blaster. Nerf has no intentions on making it into a real Nerf blaster.
there is no water mixed with the oil but have antifreeze coming out of the exhaust
Nerf usually releases a new blaster around the Christmas season, so it is likely that's when the next blaster will be released.
It could be condensation from hot exhaust gases on the cool exhaust pipe.
no
NO
white smoke is coming from my exhaust why?
The fumes are most likely coming from an exhaust leak. The leak could be at the converter, or somewhere else in the exhaust system.