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  • Northern
    replied
    So I split the case on the F4. A few broken clutch discs may explain the wacky clutch.

    I found the dogs on second gear are mashed, other gears aren't spectacular. When I looked up the issue with second gear popping into neutral, I found it's a very common issue on these bikes, maybe because the dogs aren't back cut, idk. Pretty much everyone's suggestion is to buy new gears and throw them in.

    Imagine my surprise when I find out that both gears are NLA. Can't find anywhere that still has them either.

    Best option at this point seems to be to switch to F4i gears, assuming they even fit. The ratios for 5th and 6th are different, so I'm trying to find a full F4i transmission off ebay with a good set of 2nd dogs. Worst case, parts are at least still available for the F4i.

    My FSAE team used to run '05ish CBR600RRs so I grabbed an old transmission set. While the full set of gears fits on the mainshaft and countershaft, the spacing between the shafts is different on the RR, so that was a few hours wasted.

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  • Northern
    replied
    It has like 70k (km) on it,but runs nice.

    The engine is on my workbench now, I'm probably going to split the case to get at the gearbox sometime today.

    My biggest worry is the lack of a friction zone on the clutch. I managed to make it work for a test drive after I stalled the bike initially, but that might've been dumb luck because my GPz friend who is used to a weirdly small friction zone stalled it 5 times or so before he managed to get going. Not sure why this is like this, unless it has some sort of super grabby aftermarket clutch.

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  • TeXJ
    replied
    I was wanting an F4i before I got my R6. Normally those F4i's were used a lot as stunt bikes. The frames are pretty strong on them and the motors are pretty good too.

    Leave a comment:


  • Northern
    replied
    I mentioned this in the nonsense thread but didn't post pictures.

    I picked up a 2000 CBR600F4 for $1000 CAD (~~$25 USD) to replace my Ninja 250R in the spring.

    Observations:
    Runs well
    Brakes well
    Clutch is like a switch, probably aftermarket
    Was definitely someone's track bike before the previous owner - everything is lockwired or at least drilled for it.
    has an early F4i rear split seat tail, but the tail fairing is battered.
    hot bodies front flushmounts, which had the wires ripped out of the PCB
    Headlight and dash doesn't work.
    Wiring is generally atrocious.
    Rear integrated tail with what looks like a milk carton used as a tail tidy???
    Pops out of second gear if you get over like 5k RPM
    Many holes drilled in the header collector "for drainage"
    Various things bent/broken from being down or abused.
    Front tire bald + wheel has a small dent
    Aftermarket slip-op, maybe the rest is too, not in great shape though.

    Plans:
    Fix the shit.
    Rattle can the tail fairing red after some fiberglass work.
    954RR integrated taillight w/ some sort of surround

    Deceiving picture from the FS ad lol:







    Current Ninja 250R with a friend's 1984 GPz750

    Leave a comment:


  • SweetJams
    replied
    Originally posted by SelinaS19 View Post
    Here's a photo of my 2010 Yamaha FZ6 S2 and 2015 Yamaha FZ 09. I can say I'm a Yammie girl.;D
    I also got one of this in black.

    Leave a comment:


  • econti
    replied
    Originally posted by varg View Post
    How is it? Looks clean. I've never ridden an old Ducati, neat bikes though.
    Unbelievable. Totally unrefined, raw, and sketchy fast. It's heavy (compared to new things) but hides the weight reasonably well. I don't have an airbox, just an open filter; so when I'm on the throttle I can't hear the exhaust, only the intake. It's so good.
    To put it in perspective, I had it out the other night for the first spirited ride, went to dip the clutch to pop the front wheel but instead just lay a fat burnout down the street. I lifted a bit so it gripped, then went back on it, and lofted the front wheel up. That's for a bike made in 1992.

    If you can find one to ride, do so. It's a lot of fun.

    Leave a comment:


  • varg
    replied
    How is it? Looks clean. I've never ridden an old Ducati, neat bikes though.

    Leave a comment:


  • econti
    replied
    The 888 got rego and I got my full licence, first time the bike has been ridden since 2001.

    Leave a comment:


  • TeXJ
    replied
    if I were to get another bike, I really like the fz09/7

    Leave a comment:


  • SelinaS19
    replied
    Here's a photo of my 2010 Yamaha FZ6 S2 and 2015 Yamaha FZ 09. I can say I'm a Yammie girl.;D
    Attached Files

    Leave a comment:


  • decay
    replied
    varg, i just got texted to join a group ride with a couple of guys on RC390s tomorrow

    stand by for new sidewall pics, and stories of thumper defeat :P

    Leave a comment:


  • decay
    replied
    Originally posted by wworm View Post
    not much at all but hooooo boy are there some good roads once you get out into the hills
    the route i usually take with my friend is 1 south from the city, rest stop at the taco bell in pacifica, then to alice's, and back to the city through the middle of the peninsula

    there is one route home from work i've been planning but when the club lets out and we close and i'm going home at 4AM i'm usually too fatigued for "fun" riding... but i'll use one of those ride-mapping apps to show it if we ever have an "easy" night (ha)

    but yeah, that's the other reason i was happy to get the bike fixed; don't really feel great about showing up to ride with your friends with damaged fairings, even if they weren't my fault

    Leave a comment:


  • wworm
    replied
    Originally posted by decay View Post
    riding down to Alice's with a friend on tuesday

    other than that, i live and work in san francisco and there just aren't a lot of twisties to be found in the city proper
    not much at all but hooooo boy are there some good roads once you get out into the hills

    Leave a comment:


  • decay
    replied
    Originally posted by varg View Post
    I see plenty of weight reduction effort there, but tbh the first thing I noticed was the rear tire. That bike wants to get down in those corners, and consumables are so cheap on the little bikes, I'm just encouraging some track use and twisty road outings. The corners are where the fun begins and the track is the safest place to push.
    riding down to Alice's with a friend on tuesday

    other than that, i live and work in san francisco and there just aren't a lot of twisties to be found in the city proper

    Leave a comment:


  • varg
    replied
    I see plenty of weight reduction effort there, but tbh the first thing I noticed was the rear tire. That bike wants to get down in those corners, and consumables are so cheap on the little bikes, I'm just encouraging some track use and twisty road outings. The corners are where the fun begins and the track is the safest place to push.

    Originally posted by ak- View Post
    Stock suspension is absolute trash unless you weight like 120lbs, and even then it isn't confidence inspiring. That's the department were Suzuki cut costs to make the bike affordable when released.
    Great first bike and track capable when the suspension is sorted, yeah.
    Next track day is on the 29th! Yeeeeeeew.
    Nice. Boy do I miss the track. My ZRX is a great bike to ride on the street but imo not a track capable bike. It's heavy and the suspension, while dialed as well as I think I can manage on the street, would be at its limits very quickly. Nor will it be kind to the tires. As soon as I can afford to I intend to buy a something track friently, and see how rusty the years have left me. An SV with upgraded suspension has crossed the mind more than once as a good bike to get me back in the groove. Key point being not enough power to fool myself into thinking I'm fast because I'm making up time on the straights like the literbike riders in the beginner group but plenty for street use.

    Leave a comment:

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