Can a saw run backwards?

[Fish]

Against the advice of the gurus here, I used regular unleaded
in my saw, and it jerked out of my hand, and started running
backwards.
Will the preignition and pinging damage my piston on the exhaust side, as it is now the intake side. I await for the
kind opinions of the experts here, you know who you are.

Is an Electrolux product more capable of handling this
abberration of the laws of God and Nature, than the superior
Stihl saws?
TIA, a newcomer,
Phish

 

[logcutter429]

It didnt seem to hurt mine fish, i had a 2094 jonsey that did it about once a week from the time it was new til i set it up, but would like to here what the real pros got to say about that also.

 

[WRW]

Fish,
No opinion, but a question. Were the starter pawls still engaged when the saw started running backwards?
No guru here.

 

[HUSKYMAN]

A E-lux saw will certainly handle this abberation better than any German saw.

Camoflaged Poulans excel at this.

Next time just use diesel fuel, it has much higher octane

 

[sedanman]

Huskyman, Diesel fuel has VERY LOW octane. Diesel is rated for a minimum CETANE. Cetane and Octane are polar oposites of each other.

 

[HUSKYMAN]

Whatever

It doesnt really matter in a Poulan. It only has one piston ring

 

[jokers]

Fish, Elux saws are designed and built for the true professional and as such incorporate many features which would be dangerous to the average woodtick. This one feature that you have noted allows for less downtime for chain maintenance because you can run the saw backward when the backs of the cutter are properly sharpened as Gypo has mentioned at times, and also provides more cutting options while felling on steep terrain. To get the saw to run backwards, Elux has incorporated the variably timed ignition module from the Stihl TS350 which can cause the engine to reverse rotation.

Russ

 

[WRW]

Can't find reverse on the master control, huh? Over & down.

 

[Gypo Logger]

Fish, the nice thing about the saw running backwards, is that you can also put the chain on backwards, then you have a pulling chain as opposed to a pushing chain, thus more safety on upcuts, but the sweet thing about it is that there is a rooster tail with every down cut. The only drawback is that the oil pump sucks instead of blows, saving on oil expenditure and as a result, protects the enviromental integrity. If you start to experience piston slap, then invert the rings and put the falling dogs on upside down to prevent axiocymetrical back kick.
nhoJ

 

[vsteel]

Pinging is hard on a piston and rings and bearings, but a momentary hickup shouldn't be terribly fatal.

The intake and exhause are not swaped on a two stroke, the intake and exhaust are determined by the position of the piston and ports. Technially if you had a saw with the ignition set to straight up, you could run it forwards and backwards and it wouldn't matter. Not counting flywheel fins and things like that.

 

[Wade Huggins]

Fish,
That's a funny thing you mentioned. I rebuilt an 066 recently and took it out to the firewood pile to run it a little and it ran backwards. I had never had that happen to me. My dad was there and he said that use to happen to him all the time. He started cutting in the late sixties and mentioned the old mcculluhs? and stihl 090s doing that. He has even mentioened it happening on occasion on some of the newer saws we've owned but it never happened to me until recently. I have been cutting on a daily basis for nearly eleven years now and thats the only time for me. That's some wild sh$$t....Wade