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Discussion Starter #1
I am curious about the difference between cb450 k1 pistons and later models of cb450 pistons.

Does anybody know the development? Can cylinders on a k4 engine be bored to fit .50 k1 pistons?

Thank you!
-ian
 

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Sensei
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AFAIK....K1 pistons are 292 bike code sequence just like all the 5 speed 450's
The K0's (4 speeds) WERE different in crown design , but the 5-speeds should all be interchangable (500T excepted, they are different again)
Bill will correct me if I'm wrong, but I don't believe I am on this.... ;)
 
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