Sprag Clutch Replacement Trident 900

Discussion in 'Technical Help' started by Rockabilly rebel, Mar 16, 2020.

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  1. Rockabilly rebel

    Rockabilly rebel New Member

    Oct 17, 2019
    9
    3
    Swindon
    Damn and blast despite my Trident 900 having been on a regular trickle charger the sprag has just gone. The bike is a 92 plate with 49k on the clock.

    Does anyone have a rough cost for replacement/labour?

    upload_2020-3-16_20-29-52.jpeg
     
  2. steve lovatt

    steve lovatt Something else
    Subscriber

    May 12, 2014
    8,821
    1,000
    North Yorkshire
    If it has the grey engine casings and not the black ones, then DD is correct :cool:
     
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  3. Rockabilly rebel

    Rockabilly rebel New Member

    Oct 17, 2019
    9
    3
    Swindon
    Nope the bike has black engine casing. Anyone know the approx cost?
     
  4. Wire-Wheels

    Wire-Wheels Elite Member

    Apr 26, 2019
    2,165
    800
    California - USA
    #4 Wire-Wheels, Mar 17, 2020
    Last edited: Mar 17, 2020
    Had my '95 done by a local dealer.here in the U.S.. It is a grey motor, 6 speed. It does not have the removable plate. It was expensive but I was not about to tackle that myself. They had to pull it completely apart. I had them do a complete engine re-seal and rebuild it's carbs. ...J.D.
    HERE IS A PICTURE OF THAT MOTOR:

    1995 Triumph Sprint-01.JPG
     
  5. Adie P

    Adie P Crème de la Crème

    Jul 7, 2018
    3,454
    1,000
    MID DEVON

    If your Trident doesn't have the top access plate (and not all grey finish engines did, only the earliest) then it IS an engine out job, I'm afraid. My advice would be to contact Clive WOOD and be prepared to wait ... he's busy with a capital "B", because he's good with a capital "F"!

    Location: Swineshead, Lincolnshire
    Tel: 07752 477738
    Email: [email protected]
    Facebook: Clive Wood or Clive Wood Triumph
    Google: Clive Wood Triumph (for recommendations)

    He may not necessarily be the cheapest and you might have a considerable lead time but you'll KNOW it's done properly, thoroughly and quickly.

    My 10 penn'orth.
     
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  6. steve lovatt

    steve lovatt Something else
    Subscriber

    May 12, 2014
    8,821
    1,000
    North Yorkshire
    Mine was a 1993 bike (L - plate).
    You can see the top access panel with an arrow in the picture.

    SAM_11831.jpg
     
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  7. t552

    t552 Senior Member

    Nov 17, 2014
    411
    113
    Bristol UK
    Some engines can be black and have a cover over the sprag. Not as simple as you think. Cross over was 94 model year.
     
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  8. BATEBY45

    BATEBY45 Well-Known Member

    Apr 29, 2014
    560
    93
    My first Trophy 900 was a 93 April one and the first sprag replacement needed a bit of machining of the casing to give clearance for the new unit as it was slightly bigger on the O/D
    I stuffed the top of the gearbox with paper towel and went at it with a Dremel grinder. The hardest part was getting the splined sleeve back through the clutch centre and into the gear behind it.
    An alternator drive lock tool can be made with a couple of pieces of bent steel bar.
    Something else I did was to make a clutch drum holding tool by fixing pair of clutch plates together (inner and outer) with six self tapping screws ( remember to file off the burrs before refitting) No problems with the clutch plates from this bodge after many thousand miles. If you have the removeable top plate engine just take your time and all will be well. Good luck.
     
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  9. MICK64

    MICK64 Active Member

    Sep 15, 2020
    90
    28
    NEW FOREST. ENGLAND
    Is that the Steve Lovatt that i met on a couple of DGR's ? I was on the green Kawasaki Nomad, with a union jack on the back. Anyway my 93 900 Trident has a black engine, and that removable plate.

    28acf_2c3a.jpg
     
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