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Yankee Doodle not so dandy CB400 rebuild

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Rob62:
Great project! Will be good if you can keep it as original as possible i.e. clean and refurb rather than replace..... good luck

Skunky:

--- Quote from: Nurse Julie on August 21, 2018, 08:41:36 AM ---Is that a crack on the lower fork case.....or a USA cobweb ?

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Trust a Nurse to spot a fracture 😂

If you look at this one you can see the crack has slipped down to the mudguard. Scared me for a second though.

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Skunky:
Hi All

Started on the project today. First thing was to straighten out the front end to make sure the frame was ok. I loosened the fork pinch bolts and realigned the handlebars and front wheel and it all looks much better. I then put a little oil in each cylinder before completing a compression test and was pleased with the results.

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Skunky:
Next I fitted a new ignition switch and put some power on. I turned the bike over on the starter button and it turned over great. The spark was very weak, if there at all. So checked the point gaps and cleaned the points and now got a spark. Thought I would see if she would start but I’m getting fuel leaking from one of the carb overflow pipes. That’s a problem for another day.

Skunky:

--- Quote from: kent400 on August 21, 2018, 05:07:17 PM ---The speedo isn't the original, looks like a CB350 Four one. The original would have been marked to 120 mph but one marked to 130 mph was often fitted on those supplied to the USA market. Gauges with crazed faces are often found on bikes imported from the USA, they have sat in the sun too long.

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I think you are right Kent. It looks like a 350 speedo to me too. Which means I will need to find a 400 one.  :-[. I didn't believe the mileage looked right and it was odd that the speedo was crazed and the tacho clean. Shit happens though. I do know it has no oil leaks and good compression on all pots. What part of Kent?. I grew up in Swanley.

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