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Bimota SB6R

This is a discussion on Bimota SB6R within the Project Builds forums, part of the Caferacer.net Forums category; Originally Posted by jaguar Oh yeah? Did you know the bike/seller? No the GSXR. Carbs. Can’t remember how many I rebuilt and tuned....

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Thread: Bimota SB6R

  1. #31
    Senior Member nic579's Avatar
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    Quote Originally Posted by jaguar View Post
    Oh yeah?
    Did you know the bike/seller?
    No the GSXR. Carbs. Can’t remember how many I rebuilt and tuned.

  2. #32
    Senior Member nic579's Avatar
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    Quote Originally Posted by jaguar View Post
    Bike moved under its own power yesterday!

    Got everything buttoned up and it fired right up.
    Took it to get fuel and was great.

    Tried to take it on a quicker blast to open her up a bit and failed.
    Seems to be starving for fuel.

    Suspect the silly vacuum fuel pump thing, and a bad filter.
    Changed those last night, but was too late to take a road test.
    Put a couple of miles on it hoping in vain that it was just a slug of bad fuel or something.

    Attachment 99333Attachment 99335
    Watch the diaphragms on the CV slider. I had a buddy that messed them up on every re-tune/rebuild I think most of my rebuilds were fixing his work. Floats and needles can be finicky too.
    Last edited by nic579; 10-17-2019 at 09:55 AM.

  3. #33
    Senior Member jaguar's Avatar
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    Back from a spin around town.
    Still has an issue with the new fuel filter and checked over pump.


    Dug into things a bit deeper.
    -tank vent is good.
    -fuel tap is clean and flowing well.
    -vacuum to pump is good.
    -pump is clear and appears to be pumping.
    -fuel filter is new.
    -plugs are all even and good color. All are new NGK as well.


    Checked to see if there was a cracked coil. None that I can see.
    Will check the spark quality latter.


    When Reved in the garage with the airbox on, I don't see the slides moving. Unsure if the vacuum system is hooked up 100%.


    Plates rotate to full open with no issues.


    Fuel is new high test.


    At least I, getting good at taking the tank and seat off....
    I am Derby\'s Bitch


    Some times things come around that are so singularly inept it gives you a whole new appreciation for the ept

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  5. #34
    Senior Member jaguar's Avatar
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    Sounds like I might need to jet the bike.
    Ordered some brass and will see.

    Also seems that the carb signal lines were not installed correctly.

    More to come, if anyone cares.
    I am Derby\'s Bitch


    Some times things come around that are so singularly inept it gives you a whole new appreciation for the ept

  6. #35
    Senior Member steveo's Avatar
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    Did you check the diaphragms?
    nic579 likes this.
    "It's better to keep your mouth shut and appear stupid than to open it and remove all doubt"

  7. #36
    Senior Member jaguar's Avatar
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    Yep, they all seem perfect.
    I am Derby\'s Bitch


    Some times things come around that are so singularly inept it gives you a whole new appreciation for the ept

  8. #37
    Senior Member steveo's Avatar
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    Quote Originally Posted by jaguar View Post
    Yep, they all seem perfect.
    When you said that the sliders weren't rising, I'd have put money on the diaphragms being split or not seating. Needless to say I'm pretty much scint.
    Last edited by steveo; 10-18-2019 at 02:58 PM.
    "It's better to keep your mouth shut and appear stupid than to open it and remove all doubt"

  9. #38
    Senior Member jaguar's Avatar
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    Quote Originally Posted by steveo View Post
    When you siad that the sliders weren't rising, I'd have put money on the diaphragms being split or not seating. Needless to say I'm pretty much scint.
    Ended up being the fact I was not reving high enough.
    Was just blipping it, and with the open exhaust I didnt want to push things.

    I want the neighbors to not hate me.
    I am Derby\'s Bitch


    Some times things come around that are so singularly inept it gives you a whole new appreciation for the ept

  10. #39
    Senior Member jaguar's Avatar
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    Name:  Bimota Water.jpg
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    Put a couple of miles on it the other day.
    Didnt push it as the tires are 20 years old.

    Fun bike though.
    New Power RS tires showed up yesterday. I accidentally ordered a 190/55 rear instead of the OEM 190/50.
    Fingers crossed that it does not cause clearance issues.
    TrialsRider and nic579 like this.
    I am Derby\'s Bitch


    Some times things come around that are so singularly inept it gives you a whole new appreciation for the ept

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