Have a 21 HP B/ S OHV engine on John Deere Lawn Tractor. It has 120 - 125 PSI compression. Puffing blue smoke when Hot, and is fowling Spark plug.

Asked by John E. Eaton on 05/27/2014 0  Answer

ManualsOnline posted an answer 10 years, 4 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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