RCU Forums - View Single Post - Tapered-Bore Engine Break-in - Upgraded
Old 06-16-2010 | 05:14 PM
  #289  
Strykaas
 
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Default RE: Tapered-Bore Engine Break-in - Upgraded

As far as OS is concerned, It's apparently a mix of 2-stroke mode and 4-stroke mode. This is already a big step from their old manuals.