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Hi Wendell, If you're able to buy what are actually thicker bearings to MATCH your worn "undersized" crankshaft (i.e. like .002 to 0.004 etc. bearings), that has to be way cheaper than having your crankshaft rebuilt. You only mentioned 0.010 bearings????? but if thats the only available size sold and the crank is only 0.004 worn, thats obviously not gonna work, too tight. This all depends, of course, on if you have insert type bearings and the crank isnt out of round or pitted etc. If you cant buy bearings for less than a 0.010 undersized crank, since yours is only 0.004 worn, I would be tempted to install new std size bearings and polish the water spots off your crank and go back that way. (No warranty lol, just what I "might" try) Thats just 0.002 on each side, and since bearings also wear, new bearings plus your polished smooth crank (so long as its not egg shaped or pitted or damaged) should get you by. The bigger sizes like 0.010 etc are intended for cranks that were damaged and got turned down, while sizes like 0.002 etc., if they are available, are more for undamaged and slightly worn cranks. Let us know whats available out there and if they sell small sizes like 0.002 etc. under, or only like 0.010 and 0.020 etc. intended for damaged or excessive worn and turned down cranks. While some might go back with std bearigns on a 0.004 worn smooth crank, it will be interesting to see how many would and others who would only go back PERFECT with either a rebuilt crank or the EXACT undersize of inserts, which is still my first choice if you can buy them. Good Luck n God Bless Ol John T Nordhoff
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