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Walt, I drilled and tapped the head and put in a set screw. I also used a special Loctite to bond the sleeve. And, I also peened the area around both sides of the guide (inner and outer). Hopefully this will hold! Thanks, Jeff

Thank you both. I will put the aluminum one in the bottom intake.

I am working on a Briggs single cylinder 18.5 ELS500 engine. Model 31Q777-0466 E1 The UPPER valve guide came loose and caused a bent push rod. i BELIEVE this is the EXHAUST valve (upper). It had an ALUMINUM push rod in it that bent. The LOWER valve has a steel push rod, and I believe it is the...

Hello all, Ok, watched 1000 videos and read a ton. Can you guys tell me best way to adjust the valves on a Briggs single cylinder OHV engine? Debate is: Method 1- These people say set to TDC and a little past (engines with compression release) and then adjust both valves to specs. Method 2-...

Hello all, I could really use some advice. I am working on a Briggs 18.5 ELS500 engine off of my daughters Husqvarna mower. -Engine: 31Q777-0466-E1 -Motor RPM's raced suddenly and would not slow. I suspected a governor weight after eliminating all else external. -Opened up engine and...