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BruceDP

Undersized rod

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BruceDP

Does anyone know if anyone makes undersized connecting rods? I guess Briggs use to but doesn't any more. I need to have my crankshaft turned but need to locate a new connecting rod.

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Chris727

What is the model # and type # of your engine? Some are available aftermarket and there are often new old stock connecting rods on eBay. If there is not one listed on eBay now, add "briggs" + the part number to your saved searches on eBay and before long one will likely show up.

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BruceDP

Thanks,was fairly regular on here a few years ago and was a paying member. Things happen and life got busy for a while, back now and hope to be around in here more often. This site has helped me a lot over the years.

Thanks again!

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Chris727

I have been getting the 16hp undersized rods from Tulsa Engine Warehouse. They have aftermarkets for about $20 each and the quality looks as good as the last new rod I got from Briggs. The Briggs number was 390306.

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BruceDP

Yep, that's the number I had for a .020 under rod. Thanks for the info, I'll see if I can contact them. Not sure if a 20 under is enough, crank measures 1.289. A 20 under rod would only be 1.294 if I understand it all correctly.

This site is a great resource, I'll have to become a member again.

Thanks guys!

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BruceDP

Just talked with a local shop about building the crank up and then turning it down to size. He said he couldn't do it on a single cylinder crank because there's no way of straightening it. I don't know enough about it to explain it in any more detail but that's what I was told. Just thought some of you might be interested.

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spyder400k

ok the crank should be 1.291 to be .020 if your reading 1.289 its junk even with a new rod .020 dont waste your time with that. its needs redone. in my view. i get mine redone i get them hard chromed its a bit of change to do but it will last. rods are avail on ebay.

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BruceDP

Thanks guys. Pretty much thought it was beyond useable as is but wanted to be sure. Did check ebay and so far no luck with a crank. I know of a couple lawn mower junk yards around here and when I get time I'll see what they have to offer. Thanks for all the advice! Guess I'm in search of a new crank.

oh, forgot to mention I found one but it won't accommodate a front pto. Need that to blow snow.

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