B & S 11HP Synchro Balance

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  #1  
Old 02-08-08, 07:49 PM
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B & S 11HP Synchro Balance

Hi, new here, have a really dumb question.. I took apart my snow blower engine to find source of Knock ,
How do you "time " the synchro balance shafts to the crank shaft?
this is model; 252416

thanks in advance
 
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Old 02-09-08, 03:36 AM
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so pardon the confusion,, if you 'time' the cam and the crank gears, then instal the PTO cover with the balance gears 'hanging' then you have it assembled correctly?
 
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Old 02-09-08, 04:12 AM
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hannibal,

There is a process for timing these balance gears that MUST be followed.

I have to get to work at this moment but will post the proper timing procedure later today if nobody else does.
 
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Old 02-09-08, 01:38 PM
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I use the shank of a couple of drill bits for locating pins.

Good Luck
 
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Old 02-09-08, 02:07 PM
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THANK YOU!! exactly what I was looking for
 
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Old 02-09-08, 04:13 PM
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Uh-oh....I goofed...

Instead of going by the model#, I assumed you were talking about a 11hp vertical engine. Thank you 31YTech for catching this!

I editied my first reply to avoid future confusion.
 
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Old 02-09-08, 05:22 PM
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No problem cheese.....
 
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Old 02-10-08, 07:02 AM
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A little off-topic, but I have never seen a single cyl engine with counterweights.. Why is this? What's the purpose?
 
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Old 02-10-08, 07:58 AM
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Originally Posted by Legal v8 View Post
A little off-topic, but I have never seen a single cyl engine with counterweights.. Why is this? What's the purpose?
There are balance counterweights in Kohler and Briggs engines. They have been used for years to help remove the vibration of a single cylinder. I believe Kohler used them about the earliest of the manufacturers. Radio just reported a wind chill of -51 here today. No shop work, too cold.
 
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