Buy Bar's Leaks 1010 Grey Engine Oil Stop Leak - 11 oz.

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I had a minor leak for a long time from the upper part of both cylinders of my motorcycle engine, it didn't actually dripped, but it constantly kept a part of the engine dirt. I was also having to top out the oil more often than normal as a result.

As I couldn't find someone shipping the ATP AT-205, from I've seen the most know oil leak treatment, overseas I got this as it looked the most known brand other than ATP (just to be clear, I didn't buy this in amazon, it was bought somewhere else).

The leak slowly got smaller until I've ridden the motorcycle for about ~100 miles, now it's completely gone on both cylinders.

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My car's been leaking or burning oil at about 1 quart per month, or 1 quart per 1200 miles. (I've been watching it on a spreadsheet.) I was going to take it to a mechanic, but decided to throw this goop in there first and cross my fingers.

It's a clearish-yellowish liquid with a thick viscous consistency. Just put it in engine along with a quart of regular oil.

Since I put it in, I've driven 350 miles and the oil level has not dropped. So apparently this stuff worked! I'll update this review in the future if something bad happens.

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I was losing oil at an unusual rate and it was recommended to me that I try this stuff. Following the instructions on the bottle I added the entire bottle and topped off my oil. Started to drive home and almost instantly my engine began to overheat, not just a little warm, but red line. Today is the second day and it is still doing the same thing. I can't drive more than 2 or 3 miles without my car overheating. Looks like I'm going to have to take it into the shop, which I suppose is what I should have done in the first place. I've found other people have had this problem as well and as it turns out most mechanics worth their weight in lug nuts will warn you against using products like this as it can cause clogs.

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I tried it on my sterndrive boat engine and it is still leaking. I did not see any change to the amount of oil coming out.