Engine Questions


Old 04-12-02, 07:44 AM
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Join Date: Aug 2001
Posts: 130
Toro Mower

I have a 21" Toro mower, model 26622 that is about 7 or 8 years old. Starting last season, the motor starting using a lot of oil and the spark plug had to be cleaned/changed after about 10 hours use as the gap was filled with carbon. The power in the unit was also way down.

Are we talking piston rings here and if so, is this worth it in a unit of this age? Is it cost effective for a repair shop to do it?

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Old 04-12-02, 07:35 PM
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Hello: ellersk

In my opinion, if there is a loss of power and a carbon buildup on the plug from oil burning, the engine is wornout and not worth rebuilding.

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Old 04-13-02, 01:29 AM
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I agree, and most reputable shops will not perform that repair on small push-mower engines. It can be done if the engine is otherwise in decent shape, but it usually doesn't last too long, and the mower itself usually doesn't warrant the cost. A new engine may be worthwhile, but even then, new ones are often nearly as much as the mower was to start with.

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