My F2 Builds

RideCBR.com Forums Member Build Threads My F2 Builds

This topic contains 283 replies, has 17 voices, and was last updated by Profile photo of jnsracing jnsracing 3 years ago.

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  • #32897
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    cbr-f2
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    I hope you are ok… so i take it as a rerebuild project in the works and that the dip $hit’s insurance covers it…

    #32900
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    jnsracing
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    @CBR-F2 said:
    I hope you are ok… so i take it as a rerebuild project in the works and that the dip $hit’s insurance covers it…

    Yes and no, which brings us to the good news.

    Obiviously, I’m not dead, so that is good news! If this would have happened just a little bit differently, the results might have been VERY bad… if I would have gone down, I could have easily been run over by other traffic, of which there was plenty, at 5:15 pm.
    And the truth is, I’m completely uninjured as well, so that is quite awsome.

    Other good news regarding the crash, is that dealing with the offending driver’s insurance company was completely painless – I expected a fight, even if the driver admitted to his insurance carrier, that he was the cause of the wreck, but both insurance companies found him at fault, and I have already been paid… I am still in shock at this! 8-O

    Now about my “Yes and no” response… I have decided not to rebuild the second F2 again, but rather am going to begin parting out the street bike, and use that money, coupled with the insurance money, to seek out a 954RR.
    I’ve had my sights set on upgrading to a 954 for the street, for some time, for several reasons:

    A) I really miss fuel injection!
    B) The power to weight ratio of the 954 is fantastic .
    C) I’m ready for a chang of pace.
    D) In the recent past, I’ve come across some VERY nice 954RRs for really good prices, some even equal to what I paid for my first F2 a few years back.

    I considered all my options. I thought about going ahead and using the insurance money to put it back together, which would basically give me a flawless bike, which I could ride in the meantime, until I could sell it for $2000 to $2300, and then buy a 954, but I’m fully certain that I could part out the bike, and add it to the insurance money, to get the same dollar amount. I will save the engine for a spare for the race bike.
    The nice thing is, the bike has not been totalled, so I have a clean title still, and rightly so, as other than the damage to the fairing stay and radiator, the damage is purely cosmetic – the frame, forks, wheels, motor, and braking system were totally unaffected in the crash.

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    #32901
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    jnsracing
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    On to the race bike… I was in need of an additional black F2 front rim, and scored one from Craigslist for only $40 SHIPPED! It was looking seriously rough, but it’s perfectly straight.
    This is how it looked when I got it:

    And this is how it looks now:

    That encrusted muck that was on there, made up of road grime, grease, brake fluid, and brake dust, took me hours to scrub off, and left me with some seriously sore wrists! It was worth the work, though, to end up with such a good looking rim for so cheap.

    I also got the lubrication system flushed, installed new filter, and changed the oil, with Lucas Oil semi-synthetic 10W40, and currently on the way to me, are a new Airtech front fender, AFAM front/rear sprockets, with alternate rears, and Dunlop race slicks.

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    #32906
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    cbr-f2
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    Glad to hear you are not hurt and the insurance coop. That’s rare! I don’t blame ya for wanting F.I. I miss my RR BTW you’ll have to let me know what parts I could possibly need… for my F2…

    #32938
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    @CBR-F2 said:
    Glad to hear you are not hurt and the insurance coop. That’s rare! I don’t blame ya for wanting F.I. I miss my RR BTW you’ll have to let me know what parts I could possibly need… for my F2…

    You need EVERYTHING, so buy it all from me!!! :mrgreen:

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    #32943
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    jnsracing
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    Derek, I set up a For Sale thread in the Marketplace section, the link is:

    http://ridecbr.com/topic/fs-91-94-f2-parts/

    There will be much more to come, and I’ll give your first dibs on anything you might need.

    (((http://ridecbr.com/forums/topic/my-f2-builds/))) (((https://www.facebook.com/JNSRacing72)))

    #32980
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    cbr-f2
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    @JNSRacing said:

    There will be much more to come, and I’ll give your first dibs on anything you might need.

    Thanks! I may hit ya up with what I’m lookin for…

    #33981
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    jnsracing
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    I don’t have much new to report, as I’m waiting on some things to arrive, but I did get the new slicks mounted, and replaced the racing sprockets – I’m going with a little different configuration, to achieve the same quicker acceleration, but cut yet a little more weight.

    Rather than use a stock tooth-count front sprocket, and 2 more teeth in the rear, I went down to a 14 up front, and shrunk to a 41 in the rear, which is marginally close to the previous final drive configuration, but with a smaller front and rear sprocket, and fewer links in the chain, weight is reduced an additional 6 1/2 oz.

    I’ve got one extra sprocket carrier, so I’ve got a 43 tooth alternate ready to go.

    While I was at it, I “buttoned things down” again, getting everything torqued to spec, and re-implementing all the safety wire.

    (((http://ridecbr.com/forums/topic/my-f2-builds/))) (((https://www.facebook.com/JNSRacing72)))

    #34225
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    At last, the Airtech fender is here… now I can get down to a little more business.

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    #34307
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    I mocked up the fender to get the drilling marks for the rear mounts, and got the square nuts “glassed in”.

    I mocked up the fender again with the rear fasteners in, to get a final estimation of how it will be postitioned, so the spacing to the tire is even, front and rear, then removed the wheel and marked the fender for the front-most mounting holes.

    Here it is after all the drilling, sanding, priming, and painting.

    Fender mounted, and necessary decals added to satisfy Dunlop contingency requirements.

    I did a test fit of the warmers, to check the tire/fender clearance, and decided while I was at it, to just heat up the tires and get the pressures set, as I wanted to test my new pressure gauge.

    I’m very close to done… well, for now anyway! :mrgreen:
    Next up is to redo the safety wiring of the oil drain bolt, get the total loss charging system set up, and purge/replace/bleed all the brake fluid, which is probably all I will do this season.

    Future plans for next season, are a Ballistic battery, Graves fairing stay and Koso gauge set, a lighter, slimmer tail, and possibly an aggressive engine rebuild using the spare motor.

    (((http://ridecbr.com/forums/topic/my-f2-builds/))) (((https://www.facebook.com/JNSRacing72)))

    #34317
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    cbr-f2
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    So!!! When do we get to see a video of you and your monster on the track? Looks amazing! U make me sick… With jealousy! Again, AMAZING JOB!!!

    #34324
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    Thanks Derek! Next race for me is not until early September, which is a long way away, and I will be going crazy with not being able to ride! The reason for this long spell, is because I have to miss the late June races, due to conflicting dates.

    But hey, it gives me more time to leisurely examine things, and maybe come up with some more improvements!

    (((http://ridecbr.com/forums/topic/my-f2-builds/))) (((https://www.facebook.com/JNSRacing72)))

    #35179
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    So, I haven’t had any updates in a while, and I thought I would post on why that is.

    This here is Big Dog #21 – a ’95 Vintage Classic, that recently “fell in my lap”.
    I’ve been busy getting it on the road, doing maintenance, sorting out various little mechanical issues, carb work, cleaning and polishing, etc…. this thing had been out of commision for the last 8 years!

    This is when I first brought it home:

    Partially dismantled for work on the carb, changing plugs, new battery, inspecting coil, diagnosing trouble with the ignition switch, cleaning the fuel filter, replacing air filter, etc.:

    Cleaning and rebuilding the S&S Super E Shorty:

    As you can see, when comparing to the second pic, the chrome/polished aluminum “pops” a lot more, especially the rocker box/covers, oil tank, and air cleaner cover.

    There’s a lot more yet to do, but I’ve definitely come a long way with it.

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    #36068
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    So, I’m finally starting to get some more stuff done on the race bike. I removed the bodywork, tank and airbox, in preperation to pull the carbs to verify things are still clean, and settings are right, in addition to removing the OEM choke cable.
    I sold the left hand switchgear from the street bike, and now that I’ve decided to get that thing on the road again, I need the switchgear from the race bike.
    I got a Motion Pro choke cable for a 900RR, which has the correct length and cable-end size, and will mount that when I remove the switchgear and corresponding harness – all I’ll need to do then on the race bike, is run new two new wires to the clutch lever switch, so I can still start the bike with the clutch in, when it’s not in neutral… I could just bypass it, but it’s simple enough to keep it as it was.

    I aquired another Two Brothers exhaust system, and though I’ll have to re-pack/refurbish the muffler, the header looks much nicer than the Two Bros. which is already on the race bike, so I’m going to do a swap, and put the other header, with the new mid-pipe and can, on the street bike.

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    #36087
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    Yuck! that cruiser does not belong in your garage buddy.

    Ill be sending you my address to send that big dog my way…lol

    Just kiddin around, dont ya just love it when big toys “Fall” in your lap? good job , ill bet it runs good
    after those magic fingers got ahold of it.

    #36092
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    @bambam said:
    Yuck! that cruiser does not belong in your garage buddy.

    Ill be sending you my address to send that big dog my way…lol

    Send the address, along with $5000, and I’ll surely send it along!

    Yeah, I’m really just a sportbike guy at heart, so it did seem weird at first, but it is kind of neat having a change of pace, I DO love the sound that S&S motor makes, through those pretty much straight pipes!

    Bottom line: just like I read posted elsewhere on this forum as well, I prefer the ergos of a sportbike, my back is more comfortable being leaned forward, rather than straight up, and it’s easier to just weight the pegs a little when encountering big bumps, to take away the shock, when your feet aren’t out in front of you.

    @bambam said:…ill bet it runs good after those magic fingers got ahold of it.

    Yeah, my carb work is done, and it gets the hurry up really nicely now! :mrgreen:The lady I got it from, who lives down the street, said her guy never could get it to run right – he had taken the bike to the dealer, to have those pipes put on, and they allegedly tuned for them… no, they did not. As a matter of fact, they left off a part, a little 006 O-Ring, that seals the injector nozzle shaft to the underside of the carb throat, which basically amounted to having an additional orifice for the bike to suck fuel through, then, I’m betting they leaned it out with smaller intemediate and main jets, to “try” to get things right.

    Once I replaced this O-Ring, while cleaning the carb, and then tuned it the best I could with the fuel screw and acelerator pump settings, it still ran lean – had a terrible stumble just off idle or steady low RPM cruise, which made it annoying and embarrasing to ride. I upped the intermediate jet one size, and eliminated the stumble… I could probably experiment with a larger main as well, to get more power above 2500, but it’s quite rideable now. :wink:

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    #36123
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    jnsracing
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    On the street bike, even after I had done a very throuough cleaning and lubing of the chain, it was still a little “clickety-clackety” due to some sticking links – no real surprise, as I’m fairly certain the chain and sprockets are all the original items.

    I aquired an AFAM 530 chain/sprocket set, with a 15 front and 46 rear, for a nice price (thanks Duck62), which arrived yesterday evening.

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    #36124
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    cbr-f2
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    wait a minute… so you are rerebuilding???

    #36143
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    Yup… changed my mind… and none of the items I have sold as of yet, are needed for the rebuild, other than that switchgear I mentioned, which I pulled last night from the race bike, replacing it with the Motion Pro choke cable.

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    #36145
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    cbr-f2
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    i figured you would… so have you picked a new body kit or are you gonna do naked?

    #36147
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    I haven’t decided on the fairings yet, I mean, yes I am going with fairings, but I’m not sure which.

    I would love a streetfighter project some day, but for me, most F2 streetfighters don’t look that great, the ones that do, are those where A LOT of custom work has gone into it, which is required, because in my opinion, the F models just don’t lend themselves to streetfighter projects as well as some other bikes.
    I’m not saying I can’t up the ante, and get really custom with it, I just don’t want to spend that kind of time on it, as I have too many other things to work on, and for what it’s worth, I simply prefer fully-faired sportbikes to naked bikes anyway.

    One reason it would be easy to just pick the same kit I had before, is that it will work with that OEM tank color – if I choose something different, I might not be able to use that tank, and would have to have it repainted, as I will NOT use the tank cover they send.

    I’d really like to find a silver/white Repsol scheme – for this, I would be willing to have the tank properly re-painted, and maybe even powder coat the wheels.

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    #36157
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    Sweet! cant wait to see it…

    #36163
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    @CBR-F2 said:
    Sweet! cant wait to see it…

    Well, me too, cuz I don’t think anyone has that style on offer for F2 bodywork!!

    It’s funny you just posted this, because I was just starting to start scoping out what’s available again, when I noticed your post!

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    #36164
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    cbr-f2
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    something like this???

    #36170
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    jnsracing
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    Close, but not exactly… I’m aware of that one, but there is a silver/white scheme that is amazing.

    I’m considering that one, but not sure yet.

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    #36614
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    This is not much of an update, really, other than to say that soon things are GOING TO BE happening.

    Regarding the race bike, I removed the left hand switch gear, and its associated wire harness and choke cable, and replaced it with the Motion Pro choke cable from a 900RR – that, in addition to doing a little more eliminating of unnecessary items from the wiring harness, shaved a little more weight, just short of one pound.
    The new cable is connected and functional, but the handle is not mounted yet – I will be picking up the mounting bracket from my Honda dealer tomorrow morning, in addition to new header O-Rings, for installing the newer, shinier Two Brothers header and mid-pipe. The beautiful thing here, is that the mid-pipe with the new Two Brothers system works fine with my RS-3 can, so it will be an easy swap.
    Then, of course, the other Two Bros. header goes to the street bike, and I will be shortening, refurbishing, re-packing, and polishing, the Two Brothers muffler, and installing it on the street bike.

    Next on the race bike, is newer/lighter components up front – a Graves Motorsports aluminum race fairing stay will arrive Tuesday, and a Koso RX-2 unit shipped out today – once these are installed, the OEM fairing stay will replace the destroyed unit on the street bike, as well as my modified OEM gauge cluster.

    I have the harness for an unneeded stator coming my way (thanks @bambam), which will probably be there when I get home this evening This will be used to plug the gap between stator cover and casing, when I convert the bike to a total-loss electrical system.

    Lastly, I scored an F2 radiator on eBay, for the street bike – it looks to be in pretty decent shape, and the seller claims that it does not leak – this should arrive Wendesday… at that point, the only thing missing for complete restoration of the street bike, is a new fairing kit.

    I know it’s a boring “text only” update, but in the course of this week, and next weekend, there will be a lot of stuff getting done! :mrgreen:

    Oh, and I am now once again flat-broke!! :-|

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    #36647
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    jnsracing
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    I got the newer Two Brothers system installed on the race bike this weekend, with new exhaust seals at the head – it is much “shinier” than the previous unit.
    Though they already looked pretty good, I gave the header and mid-pipe an EvapoRust treatment, and they ended up looking better still.

    There was a small puncture in the mid-pipe, that I fixed with JB Weld, and then mounted all items – I was happy that the new mid-pipe is fully compatible with my current RS-3 can, though I do need a couple of shorter springs, for the tension between the header and mid-pipe.

    Now I’m just waiting for the new fairing stay and gauge set – both should arrive Tuesday.

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    #36649
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    cbr-f2
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    Oooooh!!! Shiny! :)

    #36679
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    I mounted the Graves fairing stay last night – unfortunately it’s going to take a little bending of the arms/ears where the race upper mounts, as it requires a little stretching of the upper and the windscreen to get things lined up – this ends up skewing the windscreen to a more “flattened out” stance, and a lot of the double-bouble affect is lost.
    It weighs over 2.5 lb. less than the OEM stay, and since I’ve got a little drilling and trimming to do for mounting the Koso RX-2 cluster, it will be lightened up just a tad more.

    I mocked up the gauge set, using some small vice grips to clamp it to the stay – it will take some “fanangling” yet, to get things right with regard to viewability, clearance for lock-to-lock steering motion, and harness location.

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    #36686
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    cbr-f2
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    well for that double-bubble loss of effectiveness… you could just send that thing my way :mrgreen:
    anyways its lookin good with that new gauge set up and the shiny fairing stay!

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