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About P.K. Jones
Expertise
I can answer most questions about commercial and residential outdoor equipment. I can also help with questions about import atv's, Karts and scooters. I can't help you with generator electrical output however if it's an engine problem, I'm more than happy to help. I'm in the South, so snowblowers and snowmobiles are outside of my area of knowledge. If it's a question about the engine on a snowblower I can help. But I'm just not familiar with the drive systems for snowblowers.

Experience
I own Grand Junction Small Engines and Grandjunctionsmallengines.com, a full service shop and national parts sales site. My shop is an Authorized Repair Center for many brands and we work on equipment from most manufacturers. We are also a dealer and service center for several lines of outdoor sports products such as atv's, utv's and Karts. Personally, I have over 25 years experience working with small engines and outdoor power equipment.

Education/Credentials
I've attended many small engine and power equipment factory schools and seminars. I average 100 plus hours annually in update schools and specialized training schools and am current on all brands my shop is authorized to do warranty and factory service on.

 
   

You are here:  Experts > Home/Garden > Home Appliances > Small Engines (Lawn Mowers, etc.) > loose briggs valve

Small Engines (Lawn Mowers, etc.) - loose briggs valve


Expert: P.K. Jones - 7/9/2009

Question
I have a mower with a briggs 8 hp mower that when tried to start would not fire and popped through the muffler. There was no compression so I took the head off and saw the exhaust valve stuck open, which could be pulled out by hand. The cover for the valve springs is off and I am not sure how to reinstall the valve. Upon inspection nothing seems broke or bent. The valve slides in nice and smooth.


Answer
WHat is the model, type and code number for this engine?  

If it's an L-Head, valve in block engine, then the valve retainer is a piece of steel that goes on the bottom of the spring and just pops on.  The spring has to be compressed with a valve spring compressor to install.

Valves shouldn't just come loose so it's important to determine just what happened.  Thanks, PK.

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