Saturday, September 24, 2011

Crafstman Lawn Mower Running Choppy / Idles Low Then Dies

So, as if I weren't already having enough problems, my Craftsman lawn mower decided not to work.

Craftsman Rotary Lawn Mower - 675 Briggs & Stratton

The Problem
When I pull start the mower, it idles low like it's trying to get gas and it idles up and down. It almost sounds like it's choking. If I put the handle to the ground and tilt the lawn mower up it seems to run better.

The Solution
I figured this problem out. The lever that controls the carburetor had just enough gunk around the mechanism so that it wasn't moving freely when the engine needed it to.

So I cleaned the outside area of the carburetor with carburetor cleaner. Then I took off the plastic covers and sprayed the carburetor lever and its related parts with a spray lubricant (like WD-40) and moved it back and forth to get the lubricant to settle in. I used the Midwest Engine 5106b "Briggs and Stratton" Tune up Kit to change the air filter, spark plug, oil, and add gas additive.


I put it all back together and it started right up and now it runs fine!

For reference, the exact lawn mower I own is a Craftsman Rotary Lawn Mower - 675 Briggs & Stratton Engine (Model Number 917.388132). If you have this same lawn mower, you can download the Craftsman owner's manual for it here for free.

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