420 whont start

Discussion in 'Mechanic and Repair' started by 2brothersyardcare, May 28, 2009.

  1. 2brothersyardcare

    2brothersyardcare LawnSite Silver Member
    Posts: 2,116

    well my 420 wont start im going 2 replace the spark plug bc it hasn't been in 2 years. i also ran out of gas the other day so i got some random synthetic oil and it wont run and had run after i put it in and now it wont run. it started and died 1 and it was out of gas wat could be wrong
     
  2. 2brothersyardcare

    2brothersyardcare LawnSite Silver Member
    Posts: 2,116

    it gos 2 start but wont dies it about 2 start but dies i think its the plug
     
  3. DT Lawn Care

    DT Lawn Care LawnSite Senior Member
    Posts: 850

    Your post is very confusing.

    You could have mixed the oil in too thick. Did you gap the plug when you put her in? Most come pre-gapped, but not all.

    You can try spraying starting fluid through the intake. Actually, maybe I say this too quickly, I've never used a 4-mix and wouldn't know if this is OK. I would give it a try though.

    GL
     
  4. 2brothersyardcare

    2brothersyardcare LawnSite Silver Member
    Posts: 2,116

    its a 2 cycle its mad old and i think its 2 thick like you said or a plug
     

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