Earlier this year I was having a problem starting my snow thrower and
then to keeping it running. I had already changed the spark plug,
cleaned the air filter and carburetor. To start I had to use a paint
stripper heater to warm the cyliner head. To keep it running I had to
run at half or at full throttle. Surely there isn't much to a two
stroke single banger that can go wrong. Anyway a month ago I had a
similar problem with my weed whacker. On this one I even stripped and
rebuilt the engine. Didn't improve much. The only variable left was
the two stroke engine oil ratio. Sure enough. In my effort to
minimise polluting the atmosphere I had added engine oil on the thin
side and this must have caused the engine to seize somewhat. A richer
oil to gas ratio fixed the problem. Its late October and we already
have our first snowfall. Keep this oil-fuel mixture ratio in mind if
you have trouble with a two stroke engine. A little rich on the oil
might improve your engine reliability.
I don't have any problem starting 2 cycle engines(snow thrower, weed
eater, chain saw, yard vac.) Using correct oil with corect mix ratio?
Using choke properly? If it gets really cold here(read minus 30C and
down) I have to pull a few times but like today, minus 12C with bad
wind/snowing, Toro thrower startd on the second pull. Once it starts
wiat a while until engine warms up. To minimize pollution? Using engine
oil is totally wrong! You have to choose right 2 cycle oil which
produces least ash. Read the label on the bottle.
I wish these manufacturers would all agree on a single ratio for all
two stroke engines. Won't happen. I think the weedwacker was 1:25 and
the snow thrower 1:40 or something like that. I don't have the specs
handy and I can't remember the correct mix for different engines.
This bring up a wish list item - a Dollar Store squeeze bulb metering
syringe marked with the ( two stroke oil) volume needed to add to a
gallon of gas to make a specified ratio. To mix five gallons of gas
just use that syringe five times. This beats guesswork using the
barely visible window strip on the plastic oil container or using a
lab type measuring cylinder.
And if you're worried about emissions, then why have a 2 stroke
snowblower? Until now, I didn;t even know they existed. And it's hard
to imagine screwing around with the mixture ratio from the
manufacturer's recommendation is going to make any big diff in how much
emissions it puts out anyway. Nor is the emission from this one unit
going to change the environment. On the other hand, if he keeps doing
this, he will reduce the engine emissions, when it quits for good.
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