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Discussion Starter · #1 ·
I have a 71 CB450 but the engine is a CB500 botton end. The pistons need replacing (as part of a full rebuild) and as they are +0.25 500 pistons, I am having trouble finding any .50 thou pitsons for a 500.
Can anyone advise what my options are with respect to alternate pistons. I know that the CB450 pistons are the same diameter (and I can get 0.50+ CB450 pisgtons) but the bore is a different length.
Any ideas would be greatly appreciated.
Andy
 

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Sensei
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27,183 Posts
Both deck height and dome are different on 450 and 500T pistons...They can't be interchanged....You'll just have to find second over 500T spec pistons..... BTW, it's NOT 50 thousandths... it's .50 mm....(1/2 a mm)....
 
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