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Tool Talk Discussion Forum

Sorry ahead of time; This is O/T

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Allan

01-31-2004 04:00:15




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Hey all you brains out there!!!

How do I change the governor speed on a Briggs & Stratton? Shorten the governor spring to increase the RPM?

I've got one that is just plain running tooooo slow when it is wide open.

Thanks for your help,

Allan




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Van in AR

01-31-2004 04:17:11




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 Re: Sorry ahead of time; This is O/T in reply to Allan, 01-31-2004 04:00:15  
Allen, That depends, if it is a newer type, which it probably is, there is either a adjustment screw on the governer throttle unit or some of them are adjusted by bending the link wire. The Tecomsehs have to have the gov arm adjusted on the shaft for position.
Van



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Allan

01-31-2004 07:54:53




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 Re: Re: Sorry ahead of time; This is O/T in reply to Van in AR, 01-31-2004 04:17:11  
third party image

Van,

Thanks for the help. Maybe this picture will help.

This one is an '89 model, I think. There is a screwdriver slot in the end of the governor shaft itself and then the governor arm is also held to the shaft via a 'clamping' arrangement with a little 1/4" bolt.

The whole shaft and arm work against a tough little 1 1/2" vertical spring (out of sight, in behind the housing), which is part of the mechanism and which the governor's rotation is working against.

All my whinning about my snowblower not being fast enough has come down to this adjustment. The engine is only running at about 3/4 normal "wide open" speed.

If I just manually 'help' that throttle against the governor a tiny little bit, then all seems normal; snowblower is up to speed and the engine sounds right again.

Thanks for all your help,

Allan

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Van in AR

02-01-2004 05:02:03




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 Re: Re: Re: Sorry ahead of time; This is O/T in reply to Allan, 01-31-2004 07:54:53  
Allen, On that type you can shorten the spring, better yet would be to get a new spring from the dealer and check the RPM's again, shorten if neccessary. The springs do get weak sometimes.
Van



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Jay

01-31-2004 10:16:20




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 Re: Re: Re: Sorry ahead of time; This is O/T in reply to Allan, 01-31-2004 07:54:53  
Yep - on that one, you shorten the spring. Actually, I've had better results by bending the tab (on the bottom of the spring). I can get a bit closer to the right speed this way. I think it is the B&S preferred method as well.



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old

01-31-2004 09:50:49




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 Re: Re: Re: Sorry ahead of time; This is O/T in reply to Allan, 01-31-2004 07:54:53  
Well if memory serves me right, down inside of that thing there is a spring, behind the plate in your picture if you shorten that spring you get more RPMs



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Allan

01-31-2004 13:42:48




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 Re: Re: Re: Re: Sorry ahead of time; This is O/T in reply to old, 01-31-2004 09:50:49  
Thanks Guys,

That did it. Wish it would snow. :>)

Allan



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