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rosok

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About rosok

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  • Have you attended a California Superbike School school?
    No
  1. Well, it's still pretty barren, with only porta potties and a snack truck when she shows up. But the track makes up for it. Smooth pavement, not chewed up by the 4 wheelers yet. And it has like a mini corkscrew that's fun. Not quite like the real one down at Laguna (much slower and tighter), but still a blast. I believe this photo of me from June22nd is turn six, the carousel. What a great corner, I look forward to it every lap! This is from a "2-Fast" weekend, Jason Tanaka photographer.
  2. Funny, I was a broke student back then too! Or maybe I was just broke, can't remember. Ok, here is a before and after on my wheel swap
  3. Ah yes, all good points Eirik. I think it all would be in my head . and i just realized that a little of my thinking too is that a 170 looks cooler than a 160. Not as cool as a 180 or 190, but the best I could do. Does using the word cool age me? But I also realized there was one other important reason for me using a 170/60, and that was overall diameter, which is greater than a 160/60. Because the bike originally came with a tall tire on an 18inch wheel, switching to the 17inch affected my geometry and rear ride height. Playing around with the mounts on a slightly newer stock
  4. Hey thanks Hotfoot. That's a good link.I did some measuring of my own, and my 170/60 Q2 on the 5" wheel measures out at 7" wide (+- 1/16"). The 160/60 Michelin 2CT on my wife's Ninja 650 4.5" rear rim measures 6.5" (+- 1/16"). When you consider how small a contact patch is on a motorcycle tire, that extra 1/2" of width probably makes a difference. But I guess it's probably a moot point if the 170 width is no longer available. I'm probably making too big a deal over it, a 160 would probably work fine for my few track days. It's just a confidence thing, you know. And being confident in yo
  5. I've thought about doing what you've suggested, but I stayed with just doing the rims.......for now. Money, or lack of, being one reason. But another being I just didnt want to change the bike that much. And as it stands now i can go completely back to original very easily. I'm not racing, but i still wanted to upgrade to wider radial tires so i could run at a decent pace on the track. And I've found I can do that with what Ive got right now. My suspension is non-adjustable as well except for preload. Skinny fork legs, 37mm if you can believe, with no fork brace! Small unfloating fr
  6. Thanks Hotfoot. I guess I should also measure the Q2 170 series tire I currently have mounted on my 5" wheel. And do some comparisons to different tires mounted, though I think I'll have a hard time finding the actual measurements as mounted on a 5" wheel. That doesn't seem to be a popular size among sportbikes anymore I'm guessing. And of course I imagine the actual width will vary with rim size. Anyhow, I have some time to figure it out, since the Q2's I have mounted should hopefully last me 3-4 more sessions at least. These photos show the amount of tire I'm using front and rear. Y
  7. Thanks Hotfoot. I guess I should also measure the Q2 170 series tire I currently have mounted on my 5" wheel. And do some comparisons to different tires mounted, though I think I'll have a hard time finding the actual measurements as mounted on a 5" wheel. That doesn't seem to be a popular size among sportbikes anymore I'm guessing. And of course I imagine the actual width will vary with rim size. Anyhow, I have some time to figure it out, since the Q2's I have mounted should hopefully last me 3-4 more sessions at least. These photos show the amount of tire I'm using front and rear. Y
  8. This might be a question for a vintage club. But here goes anyhow, a little background. I've got an 86VFR750F that I'm recently now just using as a track bike. Yeah, yeah, I know, it's old. But so am I, so we just work well together. Obviously I realized that the stock pre-radial tire rim sizes just wouldn't cut it, so I pulled them off and threw on a set of 17" wheels. A 3.5" front off an early 90's F2, and a 5" rear off a mid 90's F3. Some machining was required, but nothing beyond my capabilities. I'll find a couple photos to post. I took the bike to the track last year for the
  9. A twist of the wrist. That book taught me a lot back in the 80's. When I saw this site/forum the other day I just had to join! I spent a year racing at Westwood racetrack up here in British Columbia in the mid 80's. Lots of great memories. The track is long gone. Houses were more important. A friend talked me into a couple track days last year at a real nice new track on the Pacific Northwest, The Ridge Motorsport park. A beautiful track compared to anything else we have up here in canada. Me and my old 86 vfr750 had a blast, and we're up for more this year. I'm envious of you guys down sout
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