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Thread: GS 750 cam chain tensioner blades

  1. #1
    Join Date
    Jul 2017
    Location
    Blackpool Lancashire
    Posts
    68

    Default GS 750 cam chain tensioner blades

    hi all
    i am at the stage of re fitting the cylinder head on my GS750, the Haynes manual states to ensure the forward blade is not allowed to float as chain damage can occur, i am not 100 percent clear on how the blade locates at the bottom as it looks like it just sits loosely in the guide at the bottom but it could move, any help in clarifying this greatly appreciated
    Andy
    .
    andyp, 1977 GS750B 8 Valve engine

  2. #2
    Join Date
    Aug 2010
    Location
    Sebago,Maine
    Posts
    8,561

    Default

    To me, it appears the front guide just rests on part#3 in this layout
    https://www.partsoutlaw.com/oemparts...df23/cam-chain
    1981 gs650L

    "We are all born ignorant, but you have to work hard to stay stupid" Ben Franklin

  3. #3
    Join Date
    Nov 2012
    Location
    Wyre, Lancashire.uk
    Posts
    906

    Default

    Yes it fits in/on part 3 the 850 is the same got to admit I looked at it several times with a torch before fitting mine.
    The big guy up there rides a Suzuki (this I know)
    1981 gs850gx

    1999 RF900
    past bikes. RF900
    TL1000s
    Hayabusa
    Francis Barnett

  4. #4
    Join Date
    Jul 2017
    Location
    Blackpool Lancashire
    Posts
    68

    Default

    thanks, that's what it appears to me, just wondered if it had to be anchored somehow,
    cheers
    andyp, 1977 GS750B 8 Valve engine

  5. #5
    Join Date
    Jul 2017
    Location
    Blackpool Lancashire
    Posts
    68

    Default

    Thanks, yes i keep looking down with a torch wondering, you put my mind at rest
    andyp, 1977 GS750B 8 Valve engine

  6. #6
    Join Date
    Sep 2017
    Location
    plymouth, devon, uk
    Posts
    86

    Default

    Hopefully you've sorted this but...just in case. When I fitted my tensioner, the bottom slips into the guide (after about a dozen attempts) and on my GS750 it locates into a channel at the top of the block. I found that it had a tendency to lift and pop out of the top channel but a bit of wiggling and it seated just fine.
    1978 GS750(E) I think

  7. #7
    Join Date
    Jul 2017
    Location
    Blackpool Lancashire
    Posts
    68

    Default

    not done it yet, just sorting out the valves, i do see now it just slips into the guide at the bottom, i was told to put it behind it but i never thought that would be right ,hopefully all will fall into place when the head is ready to go on soon
    andyp, 1977 GS750B 8 Valve engine

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