1995 Trident 750 Spragg Clutch

Discussion in 'Technical Help' started by Tony Hayden, Jul 21, 2020.

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  1. Tony Hayden

    Tony Hayden Member

    Dec 9, 2019
    Hi Guys, Another question. What are the signs that the spragg clutch is on the way out / totally shot and where can you get an uprated one if required.
  2. BATEBY45

    BATEBY45 Well-Known Member

    Apr 29, 2014
    Hi, I have done two sprags in 130,000 miles, symptoms 1- banging noise and reluctant starting not always with poor battery.2- Engine not turning over just a whizzing noise = broken outer sprag race.
    Early engines had a smaller outside diameter sprag and need a bit of casing removing before the later clutch will fit. Again early engines had a removeable lid on the top and access was fairly easy, later engines need to be turned upside down to gain access, luckily mine is an early one.
    My impression is that long high speed rides deprive the sprag of oil as it sits at the top of the gearbox and consequently runs dry.
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