Small Engines (Lawn Mowers, etc.)/ecessive oil smokeing


hi eric, I just bought a 1998 john deere lx 277/w 17 hp 494cc ohv engine. when I looked at the tactor at the former owners  he said it smokes a little and when I started it it did smoke and slowed down a little after a bit. by the way its a kawaski eng. when I got it home I changed the oil,filter,plugs put a little sea foam in the gas . when I fired it up it realy started smokeing bad and more so under a load but never cleared . I turned it off and put my finger in the muffler and it was oily and black. I am wondering if you would recommend to do, with out having to replace the whole engine. thank you so much iam sick about this?

What is the engine model number?

Use this link below and download the engine service manual.

Use the manual and find the min compression specification.  Perform compression test and let me know what the compression reading.


Small Engines (Lawn Mowers, etc.)

All Answers

Answers by Expert:

Ask Experts


Eric A. Jones


Lawnmower Repair . Certified Master Service Technician from B&S. Have 23 years experience on B&S, Lawn Chief, Weed Eater, Echo, Peerless, Wheel Horse, Snapper, Atlas, MTD, McCulloch, Homelite and many other numerous brands. Specialize in electrical repair.


Born and raised in the midwest. Started tinkering with engines when I was about 14 on my Suzuki RM-80. I began lawn mower repair at a small hardware store. I knew absolutely nothing. I read lots of repair manuals and met an older fellow who taught me many lessons. I continued working on small engines through high school and paid my way through college working on mowers at the same hardware store. Decided to get away from the midwest and mower repair so I joined the Air Force. I repaired air traffic control electronic equipment and ended up in Hawaii where I got a part time job at Small Engine Clinic. I gained a lot of experience from the Small Engine Clinic and had a blast repairing small engines. I then took the Briggs and Stratton Master Service Technician test and earned my MST. I then traveled to Wisconsin where I attended the factory update training seminar and received formal training. Continued working on mowers part time as I completed 20 years of military. Retired from the military on a Friday and continued in the lawn and garden industry the next Monday.

MAS Aerospace Operations BA Mathematics AAS Electronic Communications AAS Electronic Technology

©2017 All rights reserved.