D100 will crank if spark plug removed but will once in awhile turn over if spark plug

H

hiety

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• Apr 16, 2014 / D100 will crank if spark plug removed but will once in awhile turn over if spark plug

• #1

I ran out of gas and refilled with gas from last year. Could not get it to start until I removed the air filter. It ran but rapidly started loosing power.
I drained the gas, replaced the air filter and fuel filter. Now it cranks with spark plug out but won't crank with spark plug in.
I have checked for spark and it is good.
I have a charger on the battery to keep battery up.
ANy help would be appreciated

 

M

Mikel1

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• Apr 16, 2014 / D100 will crank if spark plug removed but will once in awhile turn over if spark plug

• #2

Have you had the battery tested? I usually let Napa test mine at no charge.
P.S. I have a d110.

 

J

Jhon

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• Apr 21, 2014 / D100 will crank if spark plug removed but will once in awhile turn over if spark plug

• #3

Try adjusting your valves. There are good videos on YouTube. If your valves are off, you get a lot of back pressure and it is hard to turn over the engine.

 

J

jakeamondo

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Apr 27, 2014

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• Apr 27, 2014 / D100 will crank if spark plug removed but will once in awhile turn over if spark plug

• #4

The ethanol our government added to gas is a killer for small engines and goes bad fast . Do a web search for ethanol phase separation. If it ran good when you put away it should run good now. The battery could also be a problem if its too weak to turn it over