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#1 bluetick1955 OFFLINE  

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Posted June 29, 2015 - 07:46 AM

I have a Heal Hauler that has a 11 HP Synchro Balanced engine. I cannot find any numbers on it. The Housing looks like it may have had a tag on it but gone.  It has a rod knocking and I need to see about parts. Looak at pics and see if you recoginize.

 

THX

 

Bluetick

 

Attached Thumbnails

  • BS 11 hp-1.jpg
  • BS 11 hp-2.jpg
  • BS 11 hp.jpg

  • laurarg3 said thank you

#2 DougT ONLINE  

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Posted June 29, 2015 - 08:47 AM

Looks like a Briggs to me. The numbers should be stamped into the sheetmetal somewhere. Sometimes they are along the edge by the carb, on top along the straight edge or down by the starter around the 4:00 o'clock position. Sometimes they are hidden by the paint.



#3 Talntedmrgreen ONLINE  

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Posted June 29, 2015 - 09:08 AM

Definitely a Briggs. If you canmot locate the #s, a couple measurements should tell you.

#4 olcowhand ONLINE  

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Posted June 29, 2015 - 11:05 AM

Look on the flywheel tin in the area right behind the carb.  Numbers should be there.



#5 bluetick1955 OFFLINE  

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Posted June 29, 2015 - 12:19 PM

Look on the flywheel tin in the area right behind the carb.  Numbers should be there.

It looks like there was a plate on the housing but it's gone



#6 EricFromPa ONLINE  

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Posted June 29, 2015 - 03:54 PM

If it's Synchro Balanced I bet the bearings on the balancer and dog bone are what's knocking.They usually get worn out long before the rod starts to knock.I don't know if it's possible but you might just be able to Remove the balancer.Usually the balancer makes a mess of the crank where the bearings are.They beat the crap out of the crank till the dog bone breaks and jams up the crank and rod causing it to snap the con rod.

 

The 11hp in the old Bolens G11 didn't have a balancer in it.I had to replace the governor gear and sump gasket in it.

 

G11 was made in 78 and had Points ignition and was not synchro balanced.Yours looks very similar so I'm gona say it was made mid to late 80s.

 

Model numbers should be stamped on the blower housing near the spark plug.

 

It will look something like this

 

Model 252707 Type 0621-05 Code 91081611

 

Your Briggs is a Model 25 but I can't tell ya exactly what year it is without the numbers.


Edited by EricFromPa, June 29, 2015 - 04:13 PM.


#7 glgrumpy ONLINE  

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Posted June 29, 2015 - 04:40 PM

Cubic inch size gives model. Above says you have a 25. Go to Briggs sight or even on here and download a parts manual for that size. It will show everything on each version and you can compare to yours.  The list of numbers will be there to go to dealers. Many things don't change on the basic rods/pistons/cams and internals for many years and models.



#8 Bolens 1000 ONLINE  

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Posted June 29, 2015 - 06:41 PM

The numbers were stamped in and never on a plate for this engine, they are there somewhere either near the carb side of the shroud or the side of the sheet metal cover the spark plug goes through

 

 

Directly from B&S

How Do I Identify a Briggs & Stratton Engine?

The Model, Type and Code numbers, stamped directly into the engine, are used to identify our engines. Engines used in lawn mower applications usually have the model numbers stamped directly into the blower housing, muffler heat shield, or a few inches above the spark plug. Depending on the style of engine shroud used, the engine code numbers may be covered. It may be necessary to remove this shroud in order to locate the Model, Type, and Code for engine identification.



#9 bluetick1955 OFFLINE  

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Posted June 30, 2015 - 07:29 AM

The numbers were stamped in and never on a plate for this engine, they are there somewhere either near the carb side of the shroud or the side of the sheet metal cover the spark plug goes through

 

 

Directly from B&S

How Do I Identify a Briggs & Stratton Engine?

The Model, Type and Code numbers, stamped directly into the engine, are used to identify our engines. Engines used in lawn mower applications usually have the model numbers stamped directly into the blower housing, muffler heat shield, or a few inches above the spark plug. Depending on the style of engine shroud used, the engine code numbers may be covered. It may be necessary to remove this shroud in order to locate the Model, Type, and Code for engine identification.

There definitely was a plate on the blower housing. You can see where it was and there are 2 holes for rivet. I have taken the housing off and there is nothing


Edited by bluetick1955, June 30, 2015 - 07:30 AM.


#10 bluetick1955 OFFLINE  

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Posted June 30, 2015 - 06:23 PM

Apologies, found it. Had to get under light to see.254427-0225-01-8810061. Where can I manual

#11 Bolens 1000 ONLINE  

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Posted June 30, 2015 - 06:28 PM

Parts manual

http://bsintek.basco...npxEVJ1DajI.pdf

 

 

Let me know if you need any parts



#12 bluetick1955 OFFLINE  

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Posted June 30, 2015 - 07:50 PM

Apologies. Foundation could barely see 254427-0225-01
  • olcowhand said thank you

#13 bluetick1955 OFFLINE  

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Posted July 02, 2015 - 08:30 AM

If it's Synchro Balanced I bet the bearings on the balancer and dog bone are what's knocking.They usually get worn out long before the rod starts to knock.I don't know if it's possible but you might just be able to Remove the balancer.Usually the balancer makes a mess of the crank where the bearings are.They beat the crap out of the crank till the dog bone breaks and jams up the crank and rod causing it to snap the con rod.

 

The 11hp in the old Bolens G11 didn't have a balancer in it.I had to replace the governor gear and sump gasket in it.

 

G11 was made in 78 and had Points ignition and was not synchro balanced.Yours looks very similar so I'm gona say it was made mid to late 80s.

 

Model numbers should be stamped on the blower housing near the spark plug.

 

It will look something like this

 

Model 252707 Type 0621-05 Code 91081611

 

Your Briggs is a Model 25 but I can't tell ya exactly what year it is without the numbers.

Can I just open up crankcase on side and do this?






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