Belarus 800 series
morant
Join Date: Dec 2016 Posts: 3 Mississippi |
2016-12-05 195979
My tractor is smoking light blue smoke when running and popping back through the muffler every once in a while. Oil appears at the base of the muffler. I adjusted the valves by the book and it got better but still doing this.
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Belarus 800 series
greyhorse
Join Date: Jun 2013 Posts: 65 Pics |
2017-01-19 196145
Could be pitted valves/timing..... ....
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Belarus 800 series
Murf
Join Date: Dec 1999 Posts: 7249 Toronto Area, Ontario, Canada Pics |
2017-01-19 196154
Typically blue smoke in a diesel indicates unburnt oil not fuel. If the exhaust is spitting liquid of any kind that indicates something is not being burned.
If you have both blue smoke and oily stuff being spit out the exhaust that generally indicates you have motor oil making it into the cylinder. That is not good. It could indicate a bad cylinder / possibly broken piston ring.
Does the engine sound normal? Is it reaching normal running temperatures? Is it making normal power?
Best of luck. ....
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