Tecumseh Governor help - Snowblower Forum : Snow Blower Forums
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post #1 of 13 Old 01-22-2017, 11:52 AM Thread Starter
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Tecumseh Governor help

A older MYD blower that was given to me, I have had issues getting it to run right, Runs good but I can't seem to get the rpm to stay steady, Keeps wanting to rev up. Any how I have it so it won't over rev too bad and during the last snow fall I decided to see how it would do, Thrown pretty good BUT as soon as I hit a fair amount the rpm drops and the governor does NOT speed it up as it is supposed to, So I'm guessing it may be damaged. Anyhow on to my question. I searched and even found a tecumseh repair manual but I can NOT find how to get the governor out, Will I have to pull the engine? or will it be able to be replaced while on the blower, I just want to get this one running right as I have a friend wanting to buy it once I get it fixed, and hopefully before any more snow falls. A quick how to on pulling it out would be good too LOL
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post #2 of 13 Old 01-22-2017, 12:38 PM
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You have to split the case to get to the governor. It is a Plastic gear with weights that attaches to the case, and runs off the cam. Here's a Typical Governor.
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post #3 of 13 Old 01-22-2017, 01:21 PM
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I would first adjust the governor and if that does not work, a bad carburetor can mislead you that the problem is the governor when it's not.
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post #4 of 13 Old 01-22-2017, 01:28 PM
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Did you look at any of the governor diagrams to see if your linkages and governor spring are set up correctly.May need to verify it has the correct governor spring on it and it's connected to the correct holes in the linkage.

Many people don't understand how this stuff is supposed to work and it's the first thing that gets played with,unfortunately.I've seen engines with every type of hardware store spring stuck on them,owner not realizing that it's a very specific,calibrated spring.

It could very well be the governor unit in the engine is damaged,but don't jump the gun and crack open the engine if you don't have to.

AS ALWAYS,we need to know the EXACT engine model you are working on to be able to help you-MTD used a bunch of different engines.

If you can't find a diagram,a member may be willing to take a photo of his/her engine for comparison,so we need to know the engine model and spec number.
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post #5 of 13 Old 01-22-2017, 01:45 PM
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It's Very Easy to tell if it is working or not. With the engine at full throttle, the governor arm will have "push" back towards the carb. If it doesn't, it's toast. If it does have "push", then it's out of adjustment.
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post #6 of 13 Old 01-22-2017, 02:06 PM
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The governor mechanism itself can be working,but if the linkages and spring are messed up,it won't work right anyway.
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post #7 of 13 Old 01-22-2017, 02:33 PM Thread Starter
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I've gone through adjusting the governor multiple times, multiple adjustments and randomly starts over reving, So I am pretty sure it may be toast, I'll do one last test to see if there is any push before I pull off the engine to work on it and order parts. Might be a little while before I get to it though, too many other projects at the moment. Thank you for the replies
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post #8 of 13 Old 01-22-2017, 02:53 PM
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Is the throttle shaft binding?
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post #9 of 13 Old 01-22-2017, 05:44 PM Thread Starter
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Quote:
Originally Posted by Mike C. View Post
Is the throttle shaft binding?
Do you mean on the carb? If so it's not the carb, I've switched the carb with 2 others just to see if there is any change and it does the same with all of them, Hoping it was something simple but the govenor seems like the only thing left to be causing the issue.
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post #10 of 13 Old 01-22-2017, 09:50 PM Thread Starter
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Quote:
Originally Posted by Mike C. View Post
Did you look at any of the governor diagrams to see if your linkages and governor spring are set up correctly.May need to verify it has the correct governor spring on it and it's connected to the correct holes in the linkage.

Many people don't understand how this stuff is supposed to work and it's the first thing that gets played with,unfortunately.I've seen engines with every type of hardware store spring stuck on them,owner not realizing that it's a very specific,calibrated spring.

It could very well be the governor unit in the engine is damaged,but don't jump the gun and crack open the engine if you don't have to.

AS ALWAYS,we need to know the EXACT engine model you are working on to be able to help you-MTD used a bunch of different engines.

If you can't find a diagram,a member may be willing to take a photo of his/her engine for comparison,so we need to know the engine model and spec number.
I will get the engine number tomorrow, Did not see this post. Hope it is something as simple as that, but where would I get a new correct spring if that is the case?
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