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Crankshaft replacement

Old 04-21-2020, 11:47 AM
  #1  
marcus502
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Default Crankshaft replacement

I have an old rc engine and I was wondering if I replace the crankshaft, do I also need to replace the bearings as well?
And the other way around: If I replace the bearings, do I also need to replace the crankshaft?
Old 04-21-2020, 01:14 PM
  #2  
1QwkSport2.5r
 
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New crankshaft - replace the bearings. Good insurance against failure. Replace bearings - only replace the crankshaft if it’s scored up or shows evidence of rubbing on the crankcase or dirt ingestion.

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