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Progressive fork spring swap 78' to 80'

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    Progressive fork spring swap 78' to 80'

    Hey all. I managed to get an extra set of progressive fork springs with a parts bike. I measured them up to the set from my 78' GS1000 and they are an exact match. I'm wanting to put them in my 80' 1000G though. The part number through progressive is only one number off but their site doesn't say diddly about specs for the springs. I emailed them but have not heard back. Does anyone here know if the springs made for the 78/79 1000 will fit the 80?
    Rob
    1983 1100ES, 98' ST1100, 02' DR-Z400E and a few other 'bits and pieces'
    Are you on the GSR Google Earth Map yet? http://www.thegsresources.com/_forum...d.php?t=170533

    #2
    Progressive's response. Guess they won't interchange.

    The difference between the 2 springs are the extended length and the Outside Diameter of the springs.

    The 11-1106 springs have an extended length of 19.12 inches and an outside diameter of 0.99 inches.

    The 11-1107 springs have an extended length of 18.00 inches and an outside diameter of 1.05 inches.
    Rob
    1983 1100ES, 98' ST1100, 02' DR-Z400E and a few other 'bits and pieces'
    Are you on the GSR Google Earth Map yet? http://www.thegsresources.com/_forum...d.php?t=170533

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