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1990 VFR400r NC30 - P6 RACE ONLY - FULL BUILD

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  • #16
    Well...it's been a long time since I started the thread and things bogged down, personally, holding up the project.
    But quite a bit has been going on while the forum has been down so brace yourself for some photos. lol


    I started getting the frame back together seeing as that was really the easy part of the project.
    All bearings were inspected and either repacked or replaced...Head-stem ball-bearing replaced with a new and improved tapered set and also installed the fully rebuilt(and improved) standard rear shock.




    Spare wheels, new rear disk, rear sprocket, Soda-blasted front calipers with new pads, light-weight front Axle, Titanium/SS bolts through the front end, new Clipons and grips. The tank has been stripped in preparation for an Epoxy lining and a repaint.
    All I've got and more for #294...RIP Chris Adley
    #158...RIP James Thompson

    Originally posted by Ryanoceros
    Wooohoo !! Fucking 10/10 ride. Cheers for that Aari, you really conditioned my sphincter

    Comment


    • #17
      Now for the real prize...and the scary part...the engine.
      This is how it came from the wreckers in Victoria...once again my thanks must go out to Larry Moss who picked the motor up for me after an 8hr round trip and then drove it to Phillip Island(another 6hr round trip) so it could come home with some HCMC members who were there for an event.


      Apart from a Sump, clutch plates and a cover the only problem with the motor appeared to be the broken Front engine mounts.
      So I set too tearing it down for inspection, I also have a few goodies to go into the new heart.


      All I've got and more for #294...RIP Chris Adley
      #158...RIP James Thompson

      Originally posted by Ryanoceros
      Wooohoo !! Fucking 10/10 ride. Cheers for that Aari, you really conditioned my sphincter

      Comment


      • #18






        So here are some more pics from stripping the engine...I am truly amazed at how clean the water pump on a 28yr old motor, who knows how long it sat at the wreckers for, is.
        All I've got and more for #294...RIP Chris Adley
        #158...RIP James Thompson

        Originally posted by Ryanoceros
        Wooohoo !! Fucking 10/10 ride. Cheers for that Aari, you really conditioned my sphincter

        Comment


        • #19
          And inside the cases...which I don't believe have ever been opened before.





          All I've got and more for #294...RIP Chris Adley
          #158...RIP James Thompson

          Originally posted by Ryanoceros
          Wooohoo !! Fucking 10/10 ride. Cheers for that Aari, you really conditioned my sphincter

          Comment


          • #20



            I cleaned up the bottom of the heads to remove the old gasket material...I am still amazed at the condition of the engine that's 28 years old and was sitting around in a wreckers for who knows how long.
            All I've got and more for #294...RIP Chris Adley
            #158...RIP James Thompson

            Originally posted by Ryanoceros
            Wooohoo !! Fucking 10/10 ride. Cheers for that Aari, you really conditioned my sphincter

            Comment


            • #21
              Always wanted to ride one of these. Good luck with the build.
              Ninety nine percent of the people in this world are fools. The rest of us are in great danger of contagion.

              Comment


              • #22
                Well done mate, you've stumbled across a unicorn from the looks of that unbelievably clean (inside and out) motor. If you'd told me that water pump was from a near new bike I would have believed you.

                But such beautiful lil' bikes! Kinda shows how far we haven't come with nobody making a "proper" lightweight sportsbike in a similar vein these days. What is the modern Honda equivalent? A CBR500? I mean, solid enough but nothing like the engineering in a VFR...and I feel myself turning beige just thinking about one, lol.

                How'd you get on with rubber for it? Are you stuck with the 18" rear wheel or were there 17" options available in the period? More to the point, are they available now?

                Thanks for the thread..

                Comment


                • #23
                  Originally posted by slowpoke View Post
                  Well done mate, you've stumbled across a unicorn from the looks of that unbelievably clean (inside and out) motor. If you'd told me that water pump was from a near new bike I would have believed you.
                  I know right?! I have stripped down two other engines from the same model and the water pumps are brown and caked with old residue and do NOT look anything like this water-pump...I am seriously amazed.

                  Originally posted by slowpoke View Post
                  But such beautiful lil' bikes! Kinda shows how far we haven't come with nobody making a "proper" lightweight sportsbike in a similar vein these days. What is the modern Honda equivalent? A CBR500? I mean, solid enough but nothing like the engineering in a VFR...and I feel myself turning beige just thinking about one, lol.
                  I have always had a soft spot for the V4...2-stroke or 4 the sound is amazing. I've never understood the reluctance to pursue this technology...even after I looked at how cramped the head is and how tiny the spark-plugs are on these motors.
                  As you know I love smaller capacity bikes and racing...like you there is very little out there that tightens my britches these days in that class and certainly nothing with the imagination/vision of the VFR400.
                  There were a few teething issues with the one that went bang( it was called The Japanese Ducati for a while) but I think that is always the risk when you take on someone else's half done project and don't strip it to the bones to make a fresh start...as I am doing this time.

                  Originally posted by slowpoke View Post
                  How'd you get on with rubber for it? Are you stuck with the 18" rear wheel or were there 17" options available in the period? More to the point, are they available now?
                  I'm still running the 18 on the rear...there are options to change to the 17 which I will look at for both bikes as the time and budget allow.
                  I've run the Bridgestone(Wet and Dry track tested) and the Continental on the 18" rim and been very happy with the results...specially for a "Touring Tyre", for want of a better description.

                  Originally posted by slowpoke View Post
                  Thanks for the thread..
                  Thanks for reading and contributing.

                  All I've got and more for #294...RIP Chris Adley
                  #158...RIP James Thompson

                  Originally posted by Ryanoceros
                  Wooohoo !! Fucking 10/10 ride. Cheers for that Aari, you really conditioned my sphincter

                  Comment


                  • #24
                    Nice find there buddy, I am tripped out about how clean the engine is too. Certainly makes inspection easier. I was starting to look into these as a track only ride once the financial gods look kindly on me again so I'm rather interested how this build goes from start to finish. Looking forward to the next progress report.

                    Comment


                    • #25
                      I am currently at the stage of getting the engine mounts on the front head rebuilt/repaired. I should have the cases, will all new shell bearings, and head back in a week or so and then the final part of the build will start in earnest.

                      I can recommend the bike as a great little unit...a real weapon. It sounds amazing, is quite nimble despite its weight and is over-engineered for a small 400cc bike.
                      There is also quite a field of them in the club and it's always a great day racing with the people who own them.
                      This build may prompt me back into racing.
                      All I've got and more for #294...RIP Chris Adley
                      #158...RIP James Thompson

                      Originally posted by Ryanoceros
                      Wooohoo !! Fucking 10/10 ride. Cheers for that Aari, you really conditioned my sphincter

                      Comment


                      • #26
                        I'm a small bore enthusiast myself as I'm short and could be weighed in feathers so I still get a lot more fun out of the sub 600cc sports. I have a MC22 that I love for the level of engineering you'll never see on anything less than 80hp bikes these days. Plus I reckon 90's era bikes in general are some of the best looking. The cbr still has easy to obtain spare parts for 95% of the bike which was one of the major reasons I brought one. But I like riding it on the road and I'd rather own a unregistered track only bike and having two of the same bike for each purpose just lacks adventure. So getting an idea of how obtainable spares (though I doubt I'll find a motor in the condition of yours), and ease level of maintenance will help me figure out whether I can eventually have the time once I have the budget and how much is within my scope of mechanical skills; so it's quite handy for me seeing the work you do on this project and the patience needed to get started.

                        Comment


                        • #27
                          When I broke the wife's viffa I started looking around...I found a bargain in the South West which was a complete bike with new race-glass and a heap of other nice bits for $1k...I found the motor, pictured above, for about $450, on Find-a-part, and got it here with some kind help from some kind and generous people for nothing.
                          Japan has an abundance of these bikes.
                          Parts and advice is available through a few specialists...the Babyblade will be cheaper to race, build, find parts for and repair though...you need to be aware of that.
                          All I've got and more for #294...RIP Chris Adley
                          #158...RIP James Thompson

                          Originally posted by Ryanoceros
                          Wooohoo !! Fucking 10/10 ride. Cheers for that Aari, you really conditioned my sphincter

                          Comment


                          • #28
                            Cheers for the heads up between the two bikes. This adventure for me starts when I move into a place with an enclosed garage or shed so i can work on it without losing every small component. Then upgrade my car to a cargo van or small truck to transport a bike to the track and back and once those foundations are setup time is the only thing that I have a chronic shortage of spare time, my income is feast and famine but averages out nearer to feast. So a trackday toy is the main purpose as I wouldn't be able to reliably compete in period racing even with a bike that never skipped a beat. So scarcer parts isn't much of a put off if they aren't rarer than hens teeth.

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