#138725, "Main bearing replacement" Feb-27-18 07:48 PM by weebo66
hey guys I was wondering if there was a way to replace the main bearings without having to remove the crankshaft I'm already going to do the rod bearings as I noticed there was a noise and I can feel a vibration on the top of my motor so I checked the clearances in my rod bearings and I'm at about .050mm which is right at the top and of the acceptable range and that was with a new bearing I thought when I was in there I could do the crankshaft main bearings but I didn't want to take it out I'm going to use standard size rod bearings because I used 20w50 oil and that would be too thick to use undersized bearings that was the oil I was using previously as well and only noticed the noise when I switch to 10w30 any help would be great and thank you again for your time
#138727, "RE: Main bearing replacement" In response to Reply # 1
Anything is possible with a big enough hammer, but you're not doing yourself any favors.
I wouldn't even recommend swapping out rod bearings like this.
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