Author [NL] [FR] [ES] [DE] [SE] [IT] Topic: Front Bevel Drive Unit/Gearbox noises  (Read 1529 times)

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  • Offline andcro

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    Offline andcro

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    Front Bevel Drive Unit/Gearbox noises
    on: May 09, 2019, 09.15 am
    May 09, 2019, 09.15 am
    Hi guys,

    Does anybody know if the front bevel drive oil is shared with the engine or separate? When I bought the bike last June they said they'd done the rear bevel box oil - but I thought it might be worth replacing the front or topping it up but I can't see any access point.

    I'm really dying to try and reduce the amount of noise the gearbox makes - I'm sure it's all normal but I think this is noisier than my 900 was and I just can't imagine Triumph would have let it leave the factory like that. Has anybody tried different oil?

    I've just done 700 miles around Wales over the weekend - the bike was great but I felt quite embarrassed about the clatter compared to my mates Tiger. Ear plugs of course solve everything!

    Andy
    you can't buy happiness but you can buy a motorcycle - which is the same thing :-)

  • Offline Coconut   gb

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    Offline Coconut

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    Re: Front Bevel Drive Unit/Gearbox noises
    Reply #1 on: May 09, 2019, 09.38 am
    May 09, 2019, 09.38 am
    The Front Bevel Box is part of the complete tramsmission assembly,
    and is therefore lubricated by the main engine oil.

    From the Service Manual :

    The transmission is of a cassette type design, which allows removal
    of the complete transmission as an assembly with the front bevel box,
    without separating the crankcase halves.  Removal of the input shaft can be
    achieved after first removing the output shaft first gear and its bearing. 
    The output shaft is an integral part of the front bevel box assembly and cannot be removed.

    The front bevel box assembly contains no user serviceable parts,
    and must be replaced if any wear or damage are found. 
    It is permitted however to to replace the damper shaft oil seal
    and the bevel box casing O-rings and gaskets.

    The gear selector shaft can be removed and installed without removal of the
    transmission, after first removing the selector cover and gear position sensor.



    Last Edit: Jan 08, 2020, 05.46 pm by Coconut

  • Offline andcro

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    Offline andcro

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    Re: Front Bevel Drive Unit/Gearbox noises
    Reply #2 on: May 09, 2019, 09.49 am
    May 09, 2019, 09.49 am
    Thanks Coconut - I've a feeling I need to buy the workshop manual, that extract was very interesting indeed!
    you can't buy happiness but you can buy a motorcycle - which is the same thing :-)

  • Offline Coconut   gb

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    Offline Coconut

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    Re: Front Bevel Drive Unit/Gearbox noises
    Reply #3 on: May 09, 2019, 10.13 am
    May 09, 2019, 10.13 am
    If you are going to be carrying out your own Maintenance
    then I would strongly recommend the service Manual,
    which is available from any Triumph Dealer.

    I’d also recommend the After Market “DealerTool” diagnostics device,
    and will post further details of this later this afternoon when I get home !

    Cheers  :821:

    Last Edit: Jan 08, 2020, 05.45 pm by Coconut

  • Offline andcro

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    Offline andcro

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    Re: Front Bevel Drive Unit/Gearbox noises
    Reply #4 on: May 09, 2019, 10.26 am
    May 09, 2019, 10.26 am
    I'm going to use Triumph for main servicing - this is such a heavy bike I don't fancy dropping it, and I feel it retains it's value that way, but I do like to understand how things work so might well invest as I would definitely remove the gearbox internals and refresh as and where possible. I'm sure a bearing somewhere has too much play in it.
    you can't buy happiness but you can buy a motorcycle - which is the same thing :-)

  • Offline Coconut   gb

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    Offline Coconut

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    Re: Front Bevel Drive Unit/Gearbox noises
    Reply #5 on: May 09, 2019, 01.30 pm
    May 09, 2019, 01.30 pm
    Have a look at this anyway - it's a very useful tool even if just used for Diagnostics :

    DealerTool.

    If you're confident and competent enough to overhaul the Gearbox,
    then, for example, something as "simple" as changing the Brake Fluid ( every 2 years ),
    will be no problem - except that the Dealer's equipment when connected to the Trophy
    allows the ABS Pump valves to opened and closed facilitating all parts of the braking
    system to be bled properly, and fully, and this is just one of the functions
    that the DealerTool allows, along with many others.

    Cheers  :821:

    Last Edit: Jan 08, 2020, 05.44 pm by Coconut

  • Offline andcro

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    Offline andcro

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    Re: Front Bevel Drive Unit/Gearbox noises
    Reply #6 on: May 09, 2019, 05.42 pm
    May 09, 2019, 05.42 pm
     :491:
    you can't buy happiness but you can buy a motorcycle - which is the same thing :-)

     



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