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Ranwell1, Small Engine Technician
Category: Small Engine
Satisfied Customers: 10304
Experience:  I Own a Lawn Mower Sales and service business (37years). Have 2-cycle and 4-cycle certification.
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I have 17.5 briggs will not turn more than one quarter cycle

Customer Question

I have 17.5 briggs will not turn more than one quarter cycle will not come to top dead center
Submitted: 2 years ago.
Category: Small Engine
Expert:  Ranwell1 replied 2 years ago.
The usual problem is that the valves need to be adjusted. Valves need to be adjusted about every 2 years. If they are not right, then the compression release will not work and the engine will not turn over correctly.
There should be between .004" to .005' clearance between the valve and the rocker arm when the valve is completely closed.
Please let me know if you need further information.
Please give me a good rating as this is the only way that I get paid form this site for my time.