Engine Power Of A Thunderbird 900 Of 1995

Discussion in 'Technical Help' started by dieselian, May 10, 2022.

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  1. dieselian

    dieselian New Member

    Apr 30, 2022
    4
    3
    Switzerland
    Hi there,
    In all part lists the engine of my Thunderbird is supposed to have 70 HP but following the inscription in the swiss papers I have only 54HP.
    What can be the reason?

    Thanks for your answers

    Jan
     
  2. dieselian

    dieselian New Member

    Apr 30, 2022
    4
    3
    Switzerland
    actually it's a Thunderbird 900 of 1995...
     
  3. capt

    capt Elite Member

    May 8, 2016
    2,999
    750
    western Australia
    I believe the thunderbird version of T300's had very mild cam timing , lower compression and most likely timing and carburetion to suit.
    They ranged from your 50'odd to the super 111 which I think was just over 100'ish . But the super 3 was very hot cam's and had to pull a lot more rev's to do it.
     
  4. Erling

    Erling Elite Member

    Dec 12, 2017
    1,118
    943
    Norway
    It's just a guess, but are you sure it says 54 hp? And not 54 kW, pretty much equivalent to 70 hp?
     
  5. dieselian

    dieselian New Member

    Apr 30, 2022
    4
    3
    Switzerland
    No actually it says 40.5kw. As if there was a reduction. But this would not be logic. The limitation of the new driver motorbike licence in Switzerland is 35kw...
     
  6. sprintdave

    sprintdave Nurse,he's out of bed again

    May 25, 2014
    1,339
    750
    Birmingham
    Maybe the bike was for a different market, not Swiss.
     
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