T120 Tec Camshaft

Discussion in 'Bonneville' started by John T, Feb 11, 2019.

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  1. John T

    John T Senior Member

    Jun 4, 2015
    613
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    Newcastle upon Tyne
    I've mentioned this in another thread but I've just got one of these and planning to fit next weekend
    Looks pretty straightforward....famous last words
    Anyway I'll let you know how it goes and first impressions on the road weather permitting
    Also planning to put it on a Dyno in the near future
     
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  2. John T

    John T Senior Member

    Jun 4, 2015
    613
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    Newcastle upon Tyne
    Whoops just noticed I've hit a 9 instead of a 0 in the heading Doooh

    Ron can you assist ?
     
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  3. Sprinter

    Sprinter Kinigit

    Aug 17, 2014
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    Step by step with pictures please.
     
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  4. John T

    John T Senior Member

    Jun 4, 2015
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  5. Sprinter

    Sprinter Kinigit

    Aug 17, 2014
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    If I did that with my Father there would be words.
     
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  6. John T

    John T Senior Member

    Jun 4, 2015
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    WOW WOW BLOODY WOW
     
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  7. Callumity

    Callumity Elite Member

    Feb 25, 2017
    3,358
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    Nr Biggar
    Hit your thumb?
     
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  8. Wishbone

    Wishbone First Class Member

    Nov 4, 2018
    861
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    So the dog is ok!!

    But what's the bike like with new cam???
     
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  9. Sprinter

    Sprinter Kinigit

    Aug 17, 2014
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    That good huh?
     
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  10. John T

    John T Senior Member

    Jun 4, 2015
    613
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    Absolutely transformed only running up to 4000 revs at the minute but the grunt is tremendous. My lad had a go (ex Triumph tec) and reckoned its quicker than a standard Thruxton so think what it might do to one of them !
    Remember Ive also got X pipe DNA filter, booster plug and Remus cans with baffles out
    Sorry didnt photograph as we went but pretty straightforward if fiddly at times, TEC video is pretty good only add that on 1200 motors the decompression mechanism is done away with also found that removing cam chain tensioner blade was easier when putting chain back on.
    Also you need to allow ECU to recalibrate (with booster plug temporarily removed) ie start from cold ,dont touch throttle and run for further 12 minutes after fan first cuts in
     
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  11. John T

    John T Senior Member

    Jun 4, 2015
    613
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    George reckons the cams are the same between Thruxton and Bonnie but former runs a different ECU tune and lighter flywheel
    I guess the differential might be more noticeable on the Bonnie (or might be me !)
    This cam is modeled on the performance cam Triumph were going to offer but pulled due to concerns about aftermarket part regulations in some markets (California being one I believe)
     
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  12. John T

    John T Senior Member

    Jun 4, 2015
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    DNA, K &N or similar will help a bit plus they’re washable so don’t need to renew

    Tell me more of the Hilltop remap please
     
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  13. Sprinter

    Sprinter Kinigit

    Aug 17, 2014
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    Will you need to remap again now Andy?
     
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  14. John T

    John T Senior Member

    Jun 4, 2015
    613
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    Couple of hundred miles this weekend it’s awesome
     
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  15. Ken walburn

    Ken walburn Noble Member

    Jun 28, 2017
    888
    300
    Essex
    I’m sure another re-map is not necessary Andy
     
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  16. Kinjane

    Kinjane Active Member

    Oct 15, 2017
    234
    43
    Bristol, Land of Enger
    #12 Kinjane, Feb 26, 2019
    Last edited: Feb 26, 2019
    Ah Ok, does their software cure the snatchy throttle?
    If I’ve read between the lines correctly on what their software does I’m thinking the sensitivity should have been totally eradicated.
     
  17. Sprinter

    Sprinter Kinigit

    Aug 17, 2014
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    How will Brexit affect this situation?
     
  18. Ken walburn

    Ken walburn Noble Member

    Jun 28, 2017
    888
    300
    Essex
    Riding in sport mode around town will highlight the snatchy throttle scenario on all late injection / ride by wire bikes as the ignition is advanced to the max. There is only a marginal improvement on the slight throttle snatch on my TTR after the Hilltop re-map. But very noticeable increase in torque.
     
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  19. Ken walburn

    Ken walburn Noble Member

    Jun 28, 2017
    888
    300
    Essex
    Riding in sport mode around town will highlight the snatchy throttle scenario on all late injection / ride by wire bikes as the ignition is advanced to the max. There is only a marginal improvement on the slight throttle snatch on my TTR after the Hilltop re-map. But very noticeable increase in torque.
     
  20. Kinjane

    Kinjane Active Member

    Oct 15, 2017
    234
    43
    Bristol, Land of Enger
    Thanks for the update, definitely sounds like a trip to Hinckley for the flash is on the cards at some point. Perhaps the simple answer is to put it in Road mode for town work and then into Sport once clear.
     
  21. Ken walburn

    Ken walburn Noble Member

    Jun 28, 2017
    888
    300
    Essex
    Or you could just send them the ECU. 3 day turn round. Very simple to remove/install & cheaper than the upgrade with the dyno run
     
  22. Kinjane

    Kinjane Active Member

    Oct 15, 2017
    234
    43
    Bristol, Land of Enger
    #17 Kinjane, Feb 28, 2019
    Last edited: Jan 25, 2023
    Fortunately it's only a 250 mile round trip, but nice to have that option.

    Never did go ‘professional’ resolved everything in the comfort of my own garage with TuneECU
     
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