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Can anyone who has ridden both confirm that the 533s vibrate less than 447s? I've already gone to a rephase for the sound and vibe reduction and I've messed with my gearing extensively but I'm still not happy with the vibration. Maybe I should just get a smoother bike instead of throwing more...

I got a set of high ratio primary gears from Ivan and I'm in the process of installing them into my 76 standard. I thought I would try to take some pictures to document the process.

It looks like Hugh, was on the chive today in a hipster post, lol.

Hey guys, I've done some searching around on the forums and I'm seeing some different options for Brembo 65mm calipers with the pandemonium kit. Most of the members who do this seem to use gold Brembos from Ducatis or Aprillias. I noticed that there is also a 65mm Brembo from the k1200/f800 BMW...

I need a straight serviceable fork tube/s of the 35mm variety. I bought a front end with triple clamps and the LH tube is bent. The seller didn't notice before shipping. Thanks, Kyle

I got the bike out with the newer cvk's re-jetted with the 40/140/JJJ synced and running really well, did some calculations with the help of a roadside radar detector (my tach and speedo skip like crazy) and found my torque peak to be right at 4,500 rpms. That's where the engine runs out of...

This my rephased xs, Hugh did the crank and cam, HHB PMA, Mikes big bore, new cam chain, 18-30 gearing. Stock 76 carbs with pods, ratty 75 exhaust sounds like a dirty little bitch, Magura MX bars old school. The bad. No signals, tank dinged, some rust on side covers, not a show bike but a...

Has anyone here done a build with nikasil on the Al barrels? I was thinking about it, you could used a big fin block with the stock size liner holes (or as cast) and take it to 80mm or more, without having to ream the cases as long as the skirts were short enough. Maybe the liners provide...

I think they're purty.. really just need cases and matched head. Thanks

I have a sport classic GT1000 with 68XX miles on it that I could do without. It had the 7.500 mile desmo service (belts/oil/valves/plugs) done before I bought it at 5k. It still has the original tires, but I would put a new rear on before I sold it, it's below inspection depth. It's mostly stock...

Just finished installing a newtronics optical ignition. It was a little harder to set up than a pamco but much easier than points (rephased). I like the static timing indicators, just unplug the coil and rotate til the lights go out. One caveat is that it lends itself to megacycle or Web cams...

I just replaced my worn ATU with the Mikes part for $65 and my bike has never run this good. I knew the timing curve had a big effect on how an engine runs from tuning with megasquirt but when you only have two cylinders pumping the difference in engine character can be huge. The dead spot in...

I've found specs on the 447 cam at http://www.650motorcycles.com/isky.html What I'm confused about is whether I.V.O means intake valve opening or intake valve open. I guess I'm confusled because it mentions that it was checked at zero lash then it lists various lashes?... Maybe the dude...

Hey folks, I'm a new guy. My 76 650 is rephased with Hugh's crank/cam, Mikes 750 kit sans base gasket, modified points with TFI modules/coils, BS38 carbs with pods (25 pilot, stock needles-middle clip, 130 main), classic hooker 2-1 exhaust. All of the above parts were assembled by me, and...