I need to repair the valve guides on a 5hp briggs flathead but I have never repaired valve guides before and do not have the tooling. It looks like there are several options out there. The most expensive and easiest looking to use is the EZ bore kit. I found it here:
Valve Guide...
My progress on this engine completely stopped back in 2012. I had some health problems that kept me from being able to work on it. Today I was cleaning and organizing the shop when I found 5 boxes full of 5hp flathead parts. One of the boxes contained all the parts from this project...
You could always take it off if you feel comfortable doing that. It isnt the easiest thing to put back on but it is doable. It would not hurt the carb to soak overnight.
If I were you I would pull the welch plug out and replace it. They are on ebay for pretty cheap. Also I would go through the carb and do a good cleaning/rebuild since it has been sitting.
Ok so still not sure what to do about the block. I have been looking at this one on ebay for a few days.
(#1)BRIGGS 5HP BLOCK-ALUMINUM BORE .003" OVERSZIE OLD STYLE 2 BOLT PORTS | eBay
What do you guys think?? I talked to the guy and he said that it was .003 out of round from top to bottom.
Well I am rebuilding a 71 5hp briggs. The block needs valve guides and bored over. So I am now looking for a new block. Does anyone have a good older style block? Preferably one that is ready to go! But the most important thing is that it has good valve guides. I can have the cylinder...
Well took the block to the machine shop and they said it would be about 100 dollars to install new valve guides, do a complete valve job, and bore it 20 over. But they are really busy and said it could be over a month before they could touch it :(
Also the muffler I ordered came in but it is...
Well I said I pulled the rings from another motor. They are in good shape but I know they have some wear on them. So im crossing my fingers hoping that the gap is really less than .035
Anyways Im taking the block to the shop today for them to check it out.
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