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  1. jonko

    random trackday observations/questions

    Hey all, Just came back from a trackday and had a few observations that I have questions about. I feel like shifting from 1-2 uses different timing than the other shifts. This kinda messes me up a little bit. Does anyone have this problem? Any solutions? clutchless upshift? Is WFO throttle...
  2. jonko

    front tire squeal

    Hi all, I am having some issues with my bike. Just the last couple of days, I have been noticing a squeal coming from the front tire. It is periodic so I'm pretty sure it's coming from the tire. I can hear it when the engine is off an I'm pushing the bike around, so it's not very loud. I...
  3. jonko

    paint questions cbr f3 tail

    Hi, I bought a sharkskinz tail for my bike and I thought I would try my hand at painting it. I bought a cheap hvlp gun and some house of kolor paint, but I have a few questions before I begin. 1) The piece seems like it's been primered, I am wondering if I need to sand it before putting on the...
  4. jonko

    reuseable number stickers?

    I am a occasional trackday rider and the track organizer requires that I put numbers on the front of my bike. Does anyone sell cheap or reuseable number stickers? Not just numbers, but a sticker big enough to cover up my headlights too. I did some googling, but did come up with anything. I'm...
  5. jonko

    Assen Motogp

    Hey Barfers, I going to be at the motogp in Assen at the end of June. Just wondering if anyone will be there too. Otherwise, wondering if anyone has tips or advice for someone going for their first time. Thanks, Jon
  6. jonko

    swingarm welding consistency?

    Hi all, Was at the motoshow last weekend and was able to compare some bikes side by side. I was looking at swingarms on a couple of gixxer600's. Here are two pics of two different bikes. Seems like a big difference between the welds. I would think these bike would be all machine welded...
  7. jonko

    cbr 600 f3 starting problem

    Hi all, I am having trouble starting my bike. It cranks, and starts, but just goes for a short amount of time, sputters and dies. The first time I started it, it sounded just fine and was warming up properly, but eventually lost power and died. The symptoms are exactly like it is out of gas. I...
  8. jonko

    Front sprocket replacement cbr 600 f3

    Hi all, I'm all set to replace my chain a sprockets, but I can't find information for changing the front sprocket in the repair manual. I can find information about the chain and the rear sprocket, but not the front. In particular I am interested in the procedure and torque settings. Thanks, Jon
  9. jonko

    baja dirt bike tours

    Hi everyone, I am interested in taking a dirt bike tour in the bajas. I thing is, although I ride on the street alot, I have never been on a dirt bike before. I believe I am a decent mountain biker however. I am looking for a tour lasting several days. It would be nice if it actually went...
  10. jonko

    air filter cleaning question

    Hey, I cleaned my UNI air filter with KN filter cleaner and KN oil. Stupid question, but this is fine right? My bike is experiencing minor difficulties, and I just wanted to rule out all possibilities. Jon
  11. jonko

    carb synch weirdness

    Hey all, I'm trying to sync my carbs, and I'm running into some problems. I can tune carbs 1 and 2 just fine. Turning the screw ups the engine rpm up by a little, but it settles back down. However, for carb 4, even when I barely touch the adjusting screw, the rpm goes up and stays up. It seems...
  12. jonko

    tuning question

    My motorcycle used to get about 250 miles per tank. After some work on the bike, it now gets 150 miles. Also, I feel more of a flatspot at low rpms (around 4-5k) than I used to. The bike got new intake valves, new cam chain. The top end was cleaned and lapped. The carbs were NOT resynced after...
  13. jonko

    knee down + no sliders = dangerous?

    Hey all, I getting ready to do my second track day. I am still obviously a newbie, but I want to concentrate on getting off the seat more which might involve getting my knee down. Problem is, I have leather pants without sliders. Would it be dangerous to get my knee down? Would the leather...
  14. jonko

    squeaky front bearings?

    so i have a front wheel that squeaks on every rotation of the front tire. What could be causing it? Brakes? If it is the front bearings, what do I need to replace? I was looking at the fiche and it looks like there are 4 bearings for my bike. All of them? Bike is a 98 cbr f3. Thanks.
  15. jonko

    timing question

    Hi, I am trying to time my 98 cbr600 f3 and the service manual is really not very clear at all. It says to line up the T mark with the index mark on the ignition pulse generator cover. I have a question about the T mark. What exactly are you trying to line up? The T mark looks something like...
  16. jonko

    PAIR block off plates

    I was wondering if you can give me a little advice. I am trying to remove the PAIR device from my 98 cbr600 f3. I need to get block off plates for the cylinder head. Where can I find them? Two Bros sells them for f4i. Will they fit for mine? Thanks. Jonathan
  17. jonko

    top end gasket set 98 cbr600 f3

    Do you know where i can find it cheaper? I have a quote for $164 for the set. The problem is, i have a California edition of the bike, so it has a couple extra gaskets. Is there a good place for it online? Thanks jon
  18. jonko

    Thought it was blown head gasket, now im confused

    So my bike failed when tons of oil leaked into the coolant. Everyone Ive talked to said it was probably a blown head gasket... (except for one mechanic, he said it was "impossible") I took everything apart and finally got the head off. The gasket looks ok to me. Here is the picture. Is the...
  19. jonko

    is it time to shoot the horse?

    Hey all, Need some tips and advice. Was having a good day riding yesterday. Headed into the gas station on the way home. Right as i braked to stop, i noticed the oil light come on. Bike was running fine all the way up til then. Bike started spewing this milky liquid from the coolant overflow...
  20. jonko

    dyno run killed my bike

    So a local shop was offering free dyno runs for motos. I go down there and get my run. All is good. While returning home, my bike starts dying. I manage to push start it a couple times trying to limp home. Finally it dies completely. I knew what was wrong even before I got off the bike. Cool...
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