Re: Installing umbrella seals

Posted by Steven@AZ on October 18, 2006 at 15:50:55 from (216.67.213.217):

In Reply to: Re: Installing umbrella seals posted by Ardie Dedrickson on October 18, 2006 at 14:59:34:

Thanks for giving the extra information - some of us need to see the "whole picture" in order to make a suggestion...

Do you run the tractor only for short periods of time?

Do you have a working thermostat installed so the engine comes up to temperature in a short period of time?

What do the fouled plugs look like? If they are black, you have a fuel/air problem - running rich or just not run long enough to warm up.

Have you tried hotter plugs? I believe Champion D19 are the standard, D21 will be hotter and less prone to foul. Our 544 fouls the D19 in a day (fresh overhaul) but the D21's never a problem - we only run for short periods of time...

I hope this helps you out!

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