ALERTS 1
 

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developed by Studio14k Design Strategy
 
  Straigt roller bearing failure!

  • Starting with the 2003 model year, the factory has replaced the Timken sprocket shaft bearing on the crankshaft with a straight roller bearing.

  • While this design eliminates setting bearing end play and significantly reduces the labor for installation/assembly. It has now become known that this design will not sufficiently handle the loads generated by big bore/stroker engines designed for substantial horsepower output.

  • There have been many failures.
  Stock left side bearing that failed. This bearing was in 2005 Softail converted to 95" with a mild cam with less than 25,000 miles.

Stock left side bearing that failed. This bearing was in A 2005 Softail converted to 95" with a mild cam with less than 25,000 miles.
 
 
 

r e s o l u t i o n

Main Bearing Conversion for 2003 H-D Big Twins

WAC. Cycles now offers a service to convert 2003 and later crankcases to the proven Timken tapered bearing system.

Send us your left crankcase and we’ll return it fully machined with Timken races installed, endplay set & ready for assembly. Timken bearings and seal spacer provided.  

Call or e-mail us today for prices and other options.
 
     
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