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post #1 of 6 Old 04-20-2011, 07:20 PM Thread Starter
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briggs push rod Steal or Aluminum

Hello everyone

Recently got a Briggs that has a broken push rod, I bought a new one 691758 which is aluminum, On the Briggs website, it states the aluminum is for exhaust. Many Google searches says opposite. I would think aluminum is for the intake, can someone guide me in the right direction.This is a OHV Vtwin.
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post #2 of 6 Old 04-20-2011, 08:26 PM
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Re: briggs push rod Steal or Aluminum

Not sure about your Briggs, but both of mine.
Models, 422437 1209 01, and 42A707 1238 01
have steel push rods

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post #3 of 6 Old 04-20-2011, 10:13 PM
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Re: briggs push rod Steal or Aluminum

On B&S Intek and Vangard, intake p-rod is steel, exhaust is aluminum.
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post #4 of 6 Old 04-20-2011, 11:38 PM
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Re: briggs push rod Steal or Aluminum

[QUOTE=kcraig51;1673478]On B&S Intek and Vangard, intake p-rod is steel, exhaust is aluminum.[/QUOTE

First off, 42 series B&S engines do not have push rods. Second, B&S Intek OHV engines AND single cylinder B&S OHV Vanguards use aluminum push rods on Intake Valve. Vanguard V Twins use aluminum push rod on EXHAUST valve.

Where the aluminum push rod is used depends on WHICH valve is involved in compression release.

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post #5 of 6 Old 08-03-2015, 12:51 PM
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Re: briggs push rod Steal or Aluminum

[quote=Walt 2002;1673673]
Quote:
Originally Posted by kcraig51 View Post
On B&S Intek and Vangard, intake p-rod is steel, exhaust is aluminum.[/QUOTE

First off, 42 series B&S engines do not have push rods. Second, B&S Intek OHV engines AND single cylinder B&S OHV Vanguards use aluminum push rods on Intake Valve. Vanguard V Twins use aluminum push rod on EXHAUST valve.

Where the aluminum push rod is used depends on WHICH valve is involved in compression release.

Walt Conner
Walt:

Are you sure you are correct for Intek motors? I have a 20hp B&S Intek 406577-0139-E1 and it appears that the exhaust valve (lower) is the one that uses the aluminum push rod.

EDIT: I am throughly confused, although on the exploded parts diagram it shows the lower, exhaust valve pushrod as aluminum, I pulled off the right valve cover and the upper intake pushrod was aluminum like Walt states above. The ones on the left cylinder fell out, so I am not sure how they were arranged.

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Last edited by *chris*; 08-03-2015 at 02:29 PM.
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post #6 of 6 Old 11-14-2015, 09:53 PM
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Re: briggs push rod Steal or Aluminum

Found this on a briggs web page
Engine Valve Maintenance & Repair | Briggs FAQ

Type of Push Rod Based on Engine:
Single Cylinder OHV - Model Series 260700, 261700 upper push rod (exhaust) is hollow. Model Series 28N700, 28Q700, 28U700, 28W700, 287707, 310700, 312700, 313700 exhaust push rod has a red band of paint for identification and is steel.
Intek V-Twin OHV - Intake push rods are aluminum.
Vanguard V-Twin - All models (except 540000, 610000) exhaust valve push rods are aluminum. Model Series 540000 and 610000, all push rods aluminum.


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