low blade speed

jeffnang

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Joined
Mar 20, 2012
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I have been thinking that my bladespeed is low. The quality of the cut is off bad anI can hear the blades slow. If I go really slow it mows better but that's super slow. I have all new belts and blades. I can't help but think it has something to do with the engine. I have the hight set at 3.5 and after I mowed today I went back over the tart and it looked like it cit another .5 inches off. Any ideas about what will cause the blades to slow.
 

Steve0853

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Jul 12, 2011
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It is likely that you need to get your engine RPM up a little bit. That was a problem on a Grasshopper that I had.

One thing that caught my eye is that you are cutting at 3.5 inches. That seems high to me and my mowers would give a poor cut at that height. For well maintained lawns, I cut at 2.5 and if they are a tad overgrown, then I go to 2.75. Even in rough areas I rarely cut more than 3.0 inches high.
 

davevfla

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Jun 23, 2013
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Hey bud when you are running and feel the engine lose power pull off one of the plug wires. obviously this should make it run alot worse. i bet your mower shuts off or no change. i'm thinking bad coil. easy fix but sometimes they will go in an out and have you thinking. check it i bet thats your issue.
 

jeffnang

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Mar 20, 2012
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Hey bud when you are running and feel the engine lose power pull off one of the plug wires. obviously this should make it run alot worse. i bet your mower shuts off or no change. i'm thinking bad coil. easy fix but sometimes they will go in an out and have you thinking. check it i bet thats your issue.
I have put two new coils on my mower and although it made a huge difference, I still think I'm down on power. I also checked the compression and it was a little better than 120 psi on each cylinder. Does that sound right:
 
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