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Honda CB750 Engine Removal | Cafe Racer Project | How To Remove a Motorcycle Engine From Frame | 04
In this episode, I removed the engine from my CB750 Cafe Racer project bike.
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When I ran the engine I could see that there were some issues. There was definitely oil leaking from the top of the engine, and it seemed like either the head gasket was blowing, or more likely the headers weren’t sealed correctly.
I tested the engine again, and I could clearly see that oil was dripping from the cylinder head. I am not sure if this is from the head gasket or some of the seals in the rocker box. Either way I am going to have to strip most of the top end.
I know that the CB750 engine weighs around 80KG or 180lbs, so it wasn’t just going to slip out. I have seen a number of different ways to remove this engine, frequently using some bar over the back of the engine with 2 people to lift it.
I have some old seat belt webbing which I use to tie around heavy items I am trying to lift. It is soft enough to hold humans so it shouldn't cause any harm to an engine.
In hindsight, I think we made this look harder than it was. Next time I wouldn’t bother using the wood. I think there are sufficient places to hold the engine without using an extra bar.
It was a bit of a struggle, but now we know how it goes I am sure we could have it out much easier. I am no more concerned about how I will put it back. I will have refinished the frame then, so I don’t want to chip the paint.
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