2-stroke magneto

Charged-Reacter · #1 (**permalink**) 10-05-2009, 10:48 AM

I was doing a check on my Grubee Skyhawk 66cc engine and
started to unloosen the screws on the outside cover of the magneto and noticed oil dripping out the bottom front screw. Is this a sign of trouble to
come? This engine has only 3 1/4 gallons of fuel ran through it.

Venice Motor Bikes · #2 (**permalink**) 10-05-2009, 12:10 PM

Sounds like a bad oil seal... I don't know if oil on the mag will cause problems or not? Just don't let the oil get to heavy inside the cover; & run it until it dies!!

Charged-Reacter · #3 (**permalink**) 10-05-2009, 02:28 PM

I rode the bicycle about 1 1/2 miles before I had to pull
the clutch in to idle at an intersection and the engine quit
running. Tried to restart with no luck. I peddled up a good
size hill and went fast down it and engaged the clutch and
it started and ran until I got home with it and at idle died
again. This engine did not last long at all. It was fun while it
lasted thou. Engine is still under warranty but I did not break
the engine in at 16 to 1 as recommened in the book.

Venice Motor Bikes · #4 (**permalink**) 10-05-2009, 09:18 PM

Break 'em in with 24:1!!
16:1 is for mixing regular motor oil, not 2-cycle oil!

The oil in the mag area might ground it out??

the willi · #5 (**permalink**) 10-05-2009, 09:20 PM

ya yah thats where i went wrong on mine! later willi

xlite · #6 (**permalink**) 10-06-2009, 10:27 AM

I break all of mine in with 50:1 Walmart oil.

And note that oil does not conduct electricity. It's what they use for dielectric inside industrial transformers and capacitors.

Venice Motor Bikes · #7 (**permalink**) 10-06-2009, 11:38 AM

Quote:

Originally Posted by xlite

I break all of mine in with 50:1 Walmart oil.

And note that oil does not conduct electricity. It's what they use for dielectric inside industrial transformers and capacitors.

How about the gas thats mixed with the oil? will that conduct the electricity??

xlite · #8 (**permalink**) 10-06-2009, 12:20 PM

Quote:

Originally Posted by VENICE BOY

How about the gas thats mixed with the oil? will that conduct the electricity??

Nope. Even if it has LEAD in it. And note pure water is a poor conductor also.

As a general rule if it's metal it conducts, if it's not it don't. Generally

.

Venice Motor Bikes · #9 (**permalink**) 10-06-2009, 01:16 PM

The real question is, 'could it short out the mag coil?' Maybe?

xlite · #10 (**permalink**) 10-06-2009, 01:31 PM

Quote:

Originally Posted by VENICE BOY

The real question is, 'could it short out the mag coil?' Maybe?

Not short but I think gas might dissolve enamel on the super thin magnet wire. Water might cause electrolytic corrosion. Although my magnetos have been exposed to both without harmful effects (knock on wood). Using that white wire seems the only common factor in my case.