Can anyone tell me what year is a 12hp Dynamark 12 hp model B4212-000 with a 43" cut? Where can I get an owner's manual for the engine?
Can you help me Briggs and Stratton Engine timing?
Can you troubleshoot my Briggs Stratton engine that will only start only when pump fuel is added?
How do I fix a seal oil leak in a Briggs Stratton mower?
How do you replace a governor gear on a Briggs & Stratton engine?
How much oil does a Briggs & Stratton 10hp take?
What is the normal compression for a 12 hp Briggs and Stratton engine?
diy lawn mowers
Question by BarbaraG (27)
Answer by eyeguy (3760)
Mystery Oil additive works the absolute best in the engine. It also works wonders in the gas tank. B&S make their own brand of additive but it is a poor quality when compared to Mystery Oil.
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