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Crank roller bearing upgrade 4 450

  • Thread starter Thread starter 450FREAK
  • Start date Start date
I looked up a 78 750, and it had rollers. Then an 83, and it had plains. I guess I was half right.
 
Can't be done.. If it was even remotly possible you would have to get a custom made crankshaft. The roller cranks are pressed together after the bearings are installed. Your 450 is a one peice crank The oil pump modification posted for the 1100 roller is not actually changing the pump it is changing the gears to drive the pump faster
 
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Even if possible ( you have 1 piece crank, roller cranks are built up) It wouldn't be an upgrade, although they are cool, there is no advantage to roller cranks.
 
bearings

bearings

If you feel a need for more protection for the crank just go to a motorcycle specific full synthetic oil such as Amsoil or Redline , change your filter each time you change oil and don,t rev the snot out of the engine.It will last a long time , most oriental motors are overbuilt and if left stock will virtually never need work, other than timing chains and valve adjustments.Like most of life you usually get back what you put into something.
 
derwood said:
Even if possible ( you have 1 piece crank, roller cranks are built up) It wouldn't be an upgrade, although they are cool, there is no advantage to roller cranks.
Click to expand...

Not sure I would go that far. There are advantages and disadvantages. Mainly those big roller bearings spell longevity, even under low or even no oil pressure. They are close to bullet-proof. The disadvantage is they can't be rebuilt easily.
 
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