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  1. 1980 CB400N from Sydney, Australia

    Member Introductions
    Hello fellow Honda Twin owners! I've recently (last couple of months) become the proud owner of a 1980 CB400N. Thing is I actually haven't seen it in the flesh as of yet! Sounds strange? Kind of, but here's the story... My dad who lives in another state (he lives in regional Victoria and I...
  2. wanted Tank for CB400N or CB400NA 1980 - 1981

    Wanted Parts and Bikes
    Hi guys I need a replacement tank for my bike as mine is leaking badly beyond repair. Also what other tank would slot straight onto the bike.
  3. Wanted Steel Fabricator, Frame Modifications

    Frame, Suspension and Steering
    Hi I have an CB400N 1980 that I am rebuilding, its the ugly flat bar steel on the back of the frame model. I am looking for someone preferred based in Sydney that can create and weld a rear hoop and change it to round steel. Pic A current Pic B is what I am after. I know everyone is but I am...
  4. First bike and cafe racer project - CB400 N

    Member Introductions
    Hi everyone, i'm very glad i found this forum and am excited about reading and posting about rebuilding my 1979 Honda CB400 N ! i hope i can find somebody on this forum who used the same bike as me. to get me started, i would like to know if you can interchange parts for the Honda CB400 series...
  5. 1984 CB400N Throttle problem

    Frame, Suspension and Steering
    Hi folks I have a 1984 CB400N with clip-ons (Cafe Racer style). I had a problem with a temperamental starter button so took clip-on off the forks, removed the throttle and brake lever assembly (as this give more flexible movement when off the clip-on). I removed the top plastic cover of the...
  6. Vintage 1975 Nippon Seiki Speedo on CB400N/T?

    Electrical Discussion
    Hi Guys I'd like to know if anyone has had experience with fitting an old school Nippon Seiki Speedo (from an older honda model) on a 1979 Honda CB400N/T? Im really close to buying one because I think they are the most beautiful speedometers I've ever seen.. Thanks! Magel
  7. CB400n compression

    Engine Discussion
    G'day I'm new to all this but I recently purchased a 82 CB400n which has been half converted into a cafe racer. I have done a compression test on it and got 110psi on both cylinders when cold. Is this ok? It also is only running on the left hand cylinder. The right hand cylinder has spark and...
  8. WTB: 250 / 400 / 450 Engine suit 1980 CB400N

    Wanted Parts and Bikes
    Hi all, I am adding up the cost of rebuilding my current engine, and it seems like it might be a better bet to buy a 2nd hand one. I am currently set up for a 400cc engine (carbs etc), but am open to a 450cc or 250cc at a push. If i got a 250cc I would also be interested in carbs to suit. I...