Question about Tecumseh Lawn Boy Push Mowers Insight Silver Powered Series - Sens - A - Speed Walk Behind Mower - 10685
4.75 hp 2 cycle lawnboy smoking by the blade then stops running
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Posted on Jan 02, 2017
20:1 gas to oil is a good place to start. Some mowers thin down to 80:1. If you can tell me the model of the mower I can be more specific, but starting at 20:1 will assure you have adequate protection for the engine. If it's exhausting lots of oil smoke after it has warmed up; you can cut back a little each time until you have minor oil smoke.
at 20:1 you need to add 6.4 ounces of oil to one gallon of gas.
Here's a nifty calculator for various ratios:
Enter 1 gallon of gas, then change the ratio number and then press calculate and the number of ounces per gallon will be displayed.
Posted on Mar 29, 2009
I took my carburetor off and blew it out with compressed air. Runs great now. Make sure to get all of it. Little screw on bottom has a hole in it too!
Posted on May 11, 2009
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