SOHC.co.uk Forums > CB350/400

Hello, I have a 400 at last

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Johndoc:
Hi guys, wondering if anyone can help me? Getting back to the running of this bike, I ordered the "universal" coils for DS, it looks like the wiring is simple but mounting them will require modification which I did not expect, the brackets are shorter. Does anyone have experience with these and any tips on fitting them? Looking further at the carbs I can see that the the rubber from the air box part is not seated properly, so further investigation required. I don't think this bike has ran for about 20 years so I am not sure what to expect. I will try new coils, caps, plugs points and condesors and see where it goes from there. Any further tips or advice appreciated.

tom400f:
The connection between the airbox and the "manifold" is an oval metal tube. At the manifold a large clip secures it. At the airbox it is fitted inside a large grommet that must be popped into the airbox orifice. Part 10 here:
http://www.cmsnl.com/honda-cb400f-england_model14639/partslist/F01-3.html#results

Here's how I get the bottom part in:
http://www.sohc.co.uk/index.php/topic,4880.msg22764.html#msg22764
Some silicon grease to make it all a bit easier.

Johndoc:
Thanks Tom, that is really helpful, I will be tacking this soon, that looks like a good tip for getting it done. Lobo, the connector is on OK, but not the clip, I did find the clip in my boxes so it will go on. I made some "L" brackets to fit the universal coils to the original fittings on the bike, actually looks quite good  :) will post a pic of this if it is helpful to anyone fitting these.
Thanks again everyone, will keep you posted on how it goes.

Johndoc:
Bike is running! But this is with good and bad news. The good is that the engine is reving freely with no rattles or rumles and the exhaust seems clear and healthy. Not so good is it is sounding rough on tiockover, though I think this is just the carbs being out of balance, a bigger problem is that there is an oil leak from the sump, on closer inspection I found one of the studs are stripped. looking at it I think it would be possible to remove the sump and helicoil a new thread without removing the engine, maybe one of you experienced guys could confirm this for me? If the engine needs to come out then thats OK, will just factor in the time for it.

Have to say that despite this I am so happy to hear it running and really looking forward to getting it on the road! 

mike the bike:
It can be done by laying the bike on it's side.  Remove tank first obviously.

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