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    ‘79 Kz650B - Semi-Trackbike Build

    I get it and what you are doing looks great. If it ever comes to the point that you want to do an AHRMA event, you can always get a legal set of wheels and brakes. I used to do that on one of my FT500s. I ran 18" wheels for WERA V2 and 17" wheels for AHRMA. Since you can make up whatever spacers...
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    ‘79 Kz650B - Semi-Trackbike Build

    Just so you know, those front brake rotors are not legal for AHRMA Vintage Superbike, as they specifically rule out wave or petal rotors as not being period correct. They are legal for WERA V5.
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    ‘79 Kz650B - Semi-Trackbike Build

    Yup, that would work for both organizations. Kawi has some 2 piston brakes that work pretty well, I think they may have been stock on the ZX6E. I don't know if they will mount up to the ZX6R forks without some modification to their mounting points. I tend to prefer WERA over AHRMA, based on my...
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    ‘79 Kz650B - Semi-Trackbike Build

    This build is pretty cool, but it really won't be AHRMA Vintage Superbike legal. They don't allow USD forks or PM wheels. They also require OEM bodywork and the original gauge housings. They are really going for the period correct appearance. It will be legal for WERA V5, but the closest WERA...
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    Gouging the cylinder head - salvageable? Cam question as well

    I will fall back on my usual suggestion, since you are planning to have a 40+ year old bike that you would like to ride, get another one to se as a parts/ reference bike. It is way easier to have old unobtanium parts close to hand. I see old Virago parts bikes on craigslist and marketplace for <...
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    Honda Shadow 750

    I agree with Teazer on this one, it is hard to see what your swingarm angle is from your posted pics, but it appears to be pretty flat. I would think a 10 - 12 degree angle would be better and would steepen up the rake a little. The front end is raked out quite a bit and won't be able to be...
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    Spacers under carburettors

    I agree that a spacer would probably not add enough volume to make a difference. But, I wonder if a spacer would add enough length between the carb flange and the first intake tract turn, that it would smooth the flow out and add power in the whole range by not having the intake charge make as...
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    1980 sr500

    I think the stock pipe will be more of a power limitation than a 34mm carb will be. However, a more open pipe can be excessively loud when it is making power. I did have a racebike SR500 for a season or two and it was loud and not that fast. I enjoyed it more as a street bike with a quieter pipe...
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    1980 sr500

    A VM34 Mikuni works well on a mostly stock motor. Lots of people go with a VM38, but I think it is too big.
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    79 Honda xr500 project

    Any progress on engine internal inspection?
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    81 SR250 Carb Help

    The exhaust is another completely different can of worms. There is so much misinformation and straight up BS about 4 stroke pipes that it makes my head hurt. The best answer I have come up with on my racebikes is to just try different pipes and see what works best. I have found a few items which...
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    1975 Yamaha RD350(LC) Preservation-mod Hellride

    I always called that mung and drool. The only 2 stroke race bike that didn't do it in my experience was the RZ350 that we endurance raced.
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    Yamaha DT250 Stray Mutt hard tail hellride.

    I also have a Yamaha DLS drum brake front wheel of unknown origin that might look different from the disc. Let me know if you want me to send you the pipe and we can work out the details. I will probably be heading to GA sometime this next fall if you don't need it right away otherwise, for the...
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    Yamaha DT250 Stray Mutt hard tail hellride.

    I have a stock pipe for a DT250.
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    79 Honda xr500 project

    With the electronic ignition, they are pretty much either spark or no spark. Also, the timing is not adjustable. I wonder if with the loose timing chain if it hasn't jumped cam timing? They also will not start with low compression. When you pull the valve cover off, be very careful backing out...
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    79 Honda xr500 project

    A couple of things, that is excessive wear by the cam chain, so you should check the tensioner and slipper. They are both known to break and cause excessive wear. You need to check the aluminum pipe that is between the chain runs in the middle of the worn part since it is a pressurized oil...
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    NT650 hawk restomod

    You might want to take a look at this; https://hordpower.com/ J.D. knows everything there is to know about the NT650.
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    NT650 hawk restomod

    I think you will really enjoy the Hawk. I think it was one of the best street bikes I have ever had. I always felt that it needed a pipe to really wake it up, but I had to leave mine stock since I was racing it in a production class and it was my demo bike from the dealership I was working at...
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    NT650 hawk restomod

    You might want to check this out; http://forums2.13x.com/index.php?threads/honda-hawk-nt650-parts.377067/ He has some parts for sale. I had an 88 that I raced in WERA D Production when it was new. It was a better street bike than race bike, but I still won a few races but the FZR400 was in the...
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    guernz's '79 SR

    What would it look like to have only one project?
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