Published - Jan 31, 2010

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1973 cb450 – Part 2

So… after taking the engine apart it was apparent that we couldn’t diagnose the cylinder head properly. The cb450 in the 70’s has a really weird cylinder head design. Instead of having valve springs, it has what are called “torsion bars” which hit the valve to open it, and also, hit the valve to shut […]

Published - Jan 31, 2010

Comments - 1

1973 cb450 – Part 1

So… my brother-in-law bought a cb450 the summer of 2008. It didn’t have a title, but it ran decent. To make a long story short, after several months, the engine started having some issues. He got frustrated with not being able to ride it, combined with not being able to get a title, so he […]

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Published - May 27, 2013

z1 engine teardown – part 1

Decided to get started on the z1 engine teardown. Took a couple hours sunday morning and tore this guy down. Not positive yet, but it’s looking like I’m going to do a Weisco 1015cc kit. Animated GIF’s are dumb but fun.