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Lawn Mower won't start w/o Blade

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Lawn Mower won't start w/o Blade

Old 07-18-2012, 08:36 AM
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Default Lawn Mower won't start w/o Blade

Maybe you already know this but here I'll save you some hassle if you don't.

I was mowing my rocks and stumps out back and the after a dead stop upon hitting a big stump the mower started vibrating after restart.

Figured I would see if I bent the crank since the blade looked OK. Took off the blade to check if it would run smooth w/o it and it will not start .

Apparantly some mowers with alminum flywheels will not run w/o a blade which adds more effective flywheel weight/momentum.

Hope this may save you all some time...
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Old 07-18-2012, 03:03 PM
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Also check the key way under the fly wheel even a little dent in it the motor will not start or will run with your vibration
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Old 07-18-2012, 03:10 PM
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Originally Posted by ladyjane View Post
Also check the key way under the fly wheel even a little dent in it the motor will not start or will run with your vibration
x 2.......
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Old 07-18-2012, 03:11 PM
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I'll let Juan know next time I see him.
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Old 07-18-2012, 03:17 PM
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Originally Posted by LI Sound Grunt View Post

Apparantly some mowers with alminum flywheels will not run w/o a blade which adds more effective flywheel weight/momentum.

Hope this may save you all some time...
How did your arm feel when you tried to pull start it? The compression stroke without the blade/flywheel can be a little rough.
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Old 07-18-2012, 03:25 PM
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Originally Posted by bsmit24 View Post
How did your arm feel when you tried to pull start it? The compression stroke without the blade/flywheel can be a little rough.
When that baby fires a little before compression and sucks you back in, can you say chiropractor
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Old 07-18-2012, 03:45 PM
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Originally Posted by ladyjane View Post

When that baby fires a little before compression and sucks you back in, can you say chiropractor
No chiropractor but I think my elbow and shoulder were separated for a little while. I guess sometimes you just have to see for yourself.
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Old 07-18-2012, 04:07 PM
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I know one thing for sure, it won't cut worth a crap without a blade(s)!

EVEN IF YOU DO GET IT STARTED........
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Old 07-18-2012, 04:11 PM
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All good answers thanks - but maybe I forgot to mention - it started right up when I put the blade back on. It is the flywheel effect (on at least this mower).
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Old 07-18-2012, 04:36 PM
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I learned about this when I tried to start the mower after I took the blade off to sharpen it. I could hardly pull the starter cord and I realized the mower wasn't designed to run without the blade.


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Old 07-18-2012, 04:42 PM
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Actuallly that may have been a different system - maybe abreak or something - mine pulled just as easy as usual but would only do a few if any turns and there was just not enough rpms to activate the spark 9I htink)
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Old 07-18-2012, 05:26 PM
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Originally Posted by bsmit24 View Post
No chiropractor but I think my elbow and shoulder were separated for a little while. I guess sometimes you just have to see for yourself.
Been there to many times was in the business.
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Old 07-18-2012, 05:30 PM
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LadyJane, I sure hope we are still talking 'bout mowers.
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Old 07-21-2012, 05:24 AM
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The othe point is that it won't cut well w/o the blade...
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Old 07-21-2012, 05:26 AM
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Originally Posted by wingless View Post
The othe point is that it won't cut well w/o the blade...
Especially at 0 rpms...
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Old 07-21-2012, 05:31 AM
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My honda starts just fine without the blade engaged (and not spinning)
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Old 07-21-2012, 06:25 AM
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Originally Posted by LI Sound Grunt View Post
Especially at 0 rpms...
But it uses much less gasoline.
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Old 07-21-2012, 07:11 AM
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I'm not sure if you know this or not but it won't cut grass without a blade either
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Old 07-21-2012, 02:40 PM
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Originally Posted by davedowneast View Post
I know one thing for sure, it won't cut worth a crap without a blade(s)!

EVEN IF YOU DO GET IT STARTED........
Originally Posted by wingless View Post
The othe point is that it won't cut well w/o the blade...
Originally Posted by Gator56 View Post
I'm not sure if you know this or not but it won't cut grass without a blade either
It's good to see others have idiotic answers also.
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Old 07-21-2012, 02:46 PM
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Well it still vibrates with the new blade so I apparanlty did a job on the motor cutting those rocks out back - Fortunately I have a spare engine. (started up first pull with a blade on the old engine). I htink I just save this puppy as a brush hog.
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