Echo PB251 Blower won't start

Discussion in 'Mechanic and Repair' started by jcbabb, Aug 21, 2011.

  1. jcbabb

    jcbabb LawnSite Member
    Posts: 31

    I'm tired of cussing this thing. I started by checking the air filter, replacing the spark plug, then replacing the gas. Finally, I cleaned the spark arrestor. I'm getting a good yellow spark, but I can't even get it to try to turn over. I even tried some starter fluid, and it won't even pop.
    The only thing I can think of is maybe a clogged jet, but I thought it would at least try to start with the starter fluid. Any thoughts?
     
  2. GlynnC

    GlynnC LawnSite Senior Member
    Posts: 774

    You may have it flooded. Remove the plug, pull the starter rope 10 or 12 times, spray a very small amount of starter fluid in the plug hole, replace plug and try starting. If it has compression and spark it should at least fire--unless the flywheel key is sheared.
     
  3. jcbabb

    jcbabb LawnSite Member
    Posts: 31

    I'll give that a shot tomorrow, thanks for the suggestion. I forgot to mention that I also checked compression and I'm getting 120, so that's good.
    Posted via Mobile Device
     
  4. topsites

    topsites LawnSite Fanatic
    Posts: 21,654

    Once you have the plug out, check the gap and make sure it's .020

    Beyond that you need a spark tester.
     
  5. Mtnmn

    Mtnmn LawnSite Member
    Posts: 92

    Yellow is not a good spark, should be blue.
     
  6. jcbabb

    jcbabb LawnSite Member
    Posts: 31

    I've got a spark tester; that's what I was using. What does a weak spark mean?
    Posted via Mobile Device
     
  7. topsites

    topsites LawnSite Fanatic
    Posts: 21,654

    You won't always get a FULL spark when testing due to possible issues
    such as not being able to get a really good pull on the recoil and what have you...

    But with ANY spark and a short burst of starter fluid it really ought to ...
     
    Last edited: Aug 22, 2011
  8. jcbabb

    jcbabb LawnSite Member
    Posts: 31

    Severe flooding was not the problem. It still won't even sputter. I'm thinking its got to be a bad coil or maybe the flywheel key mis-aligned? I'll tear into it soon and find out. I can see a spark, I know the gas is good, so it must be a timing issue. Other than that I'm lost.
     
  9. newz7151

    newz7151 LawnSite Silver Member
    from Tejas
    Posts: 2,419

    how old again is it?
     
  10. Mtnmn

    Mtnmn LawnSite Member
    Posts: 92

    try this. Get a small squeeze bottle fill with gas/oil mix put capon bottle. Take air filter off,open choke, open throttle all the way, take and squirt some gas into carb. Pull starter and see if engine will start and run for a second or two. If it does you have fuel/carb problem. Not spark or timing. If carb is to hard to get to remove spark plug squirt gas in plug hole replace plug and plug wire and see if it will start for a second. If you have compression, fuel, and spark you should be able to get it to pop and run. If you have these 3 you shouldn't have a major problem.

    BE CAREFUL FILLING SQUEEZE BOTTLE AND WHEN YOU PUT IT DOWN AND DON'T CAUSE A FIRE!!!!!
     

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