TNT woes - Page 3
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Thread: TNT woes

  1. #21
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    Quote Originally Posted by garry55 View Post
    How did you wire the Triumph ECU into the Benelli loom? Is there a technical drawing that identifies the inputs & outputs of the ECU?

    The 955 Daytona uses the same ECU as the 900 Tornado, though running different firmware. Two of the coil and/or injector drivers (or both, can't remember!) outputs were swapped but that was easy to work around. The wiring diagrams should give enough information to determine the functions of the pins, I've not seen any other technical documents.

  2. #22
    Senior Member StingerWolf's Avatar
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    I heard that there was a hand full TNTs in 2004 with sagem ECU mounted few years ago, but not sure this is true or if they had troubles but it seems to be possible to swap. I'm very excited to see if garry gets this work and for what costs (time and money), its surely not an easy job.

    Gesendet von meinem SM-P905 mit Tapatalk

  3. #23
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    Quote Originally Posted by mikerj View Post
    The 955 Daytona uses the same ECU as the 900 Tornado, though running different firmware. Two of the coil and/or injector drivers (or both, can't remember!) outputs were swapped but that was easy to work around. The wiring diagrams should give enough information to determine the functions of the pins, I've not seen any other technical documents.
    Looking at the 955i harness, I'm guessing both coil and injector drivers (for 1 & 3 cylinders) were swapped over as the TNT has #1 cylinder to the right (as sat on bike) whereas the 955i has it to the left.

    But running the 955i harness to the left side of the bike (as per the original) puts #1 coil and injector connections over to the right side of the frame.

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  5. #24
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    My TNT has electrical issues as well - been sitting for about 10 months - wont fire - TNT mech. reckons its the starter clutch.
    Should have kept the Yammie

  6. #25
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    Quote Originally Posted by TNTBay View Post
    My TNT has electrical issues as well - been sitting for about 10 months - wont fire - TNT mech. reckons its the starter clutch.
    Should have kept the Yammie
    I'm no expert, but I can't see how the starter clutch can prevent the engine from producing sparks, other than it's failed completely and the engine isn't cranking over?

  7. #26
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    TNT woes-img_20190711_153741.jpg TNT woes-img_20190711_153746.jpg
    Triumph switch gear fitted

    .TNT woes-img_20190711_153752.jpg


    Sorting the harness

    Last edited by garry55; 07-12-2019 at 04:24 AM.
    ron d and mikerj like this.

  8. #27
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    Quote Originally Posted by garry55 View Post
    I'm no expert, but I can't see how the starter clutch can prevent the engine from producing sparks, other than it's failed completely and the engine isn't cranking over?
    There is spark and fuel - engine turns over - it does struggle sometime like the starter gear is not quite catching - has a clunking sound as well sometimes when trying to turn over

  9. #28
    Senior Member Rick67's Avatar
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    by the sounds of it , this poor bike needs a new sprag clutch . bit of a fiddly job but worth doing over getting rid.

  10. #29
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    Quote Originally Posted by Rick67 View Post
    by the sounds of it , this poor bike needs a new sprag clutch . bit of a fiddly job but worth doing over getting rid.
    TNT mechanic said starter clutch - is that the same thing as sprag clutch ?
    is it a Big job ?

  11. #30
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    Quote Originally Posted by TNTBay View Post
    TNT mechanic said starter clutch - is that the same thing as sprag clutch ?
    Short answer, yes. Long answer, a "sprag" clutch is a specific type of one way clutch, which is used in the starter of many/most larger engined bikes including the Benelli.

    Quote Originally Posted by TNTBay View Post
    is it a Big job ?
    The good news is you don't need to split to crankcases, but you do need to remove the gearbox which isn't too bad as it's a cassette design.

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