SOHC.co.uk Forums > CB350/400

Cb400f primary chain noise after big bore kit install

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Doom64:
Thanks for the help everyone, a lot of handy info. I have started doing near enough all the work to my bikes recently a lot of learning to do still. :)
About the clutch rattle I started the bike and took the oil cap off and you can hear a loud knocking from the clutch, does anyone know of anywhere you can get rubbers from apart from the ttr site?

Arfa:
And for what it's worth I'm just in the process of running-in my 400/4 after a complete rebuild which included a Yoshi big bore kit, 455cc. I've just given it the first service. To cut a longer story short the engine was rather quieter with new oil in, and then got noisier as I made each service adjustment, bearing in mind that the tank was off so you can really hear things. I was somewhat perturbed by this as the primary noise was quite loud- lo and behold the final thing was to balance the carbs, and one (no2) was miles out on synchro and we now have sewing machine like rustling. So, from my experience balance is essential if you want a quiet engine, and on my ride earlier today, rather smoother.

I'll post at more length and include some piccies when time allows.

Regards,

Arfa.

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