1977 Benelli 750 SEI Fork Rebuild. - Page 2
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Thread: 1977 Benelli 750 SEI Fork Rebuild.

  1. #11
    Member
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    John DeMaria
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    Dan......thanks, i’ll Get into it onthe second set. Going for “stock” on the first pair........

  2. #12
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    18755
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    The Moto Guzzi / Benelli fork design of the 1970's / 80's use a sealed cartridge hydraulic damper inside the fork tube / leg and rated springs. The stock cartridge damper where introduced with the 1972 Moto Guzzi V7 Sport and slightly improved with the 850 T3 / Le Mans variants.

    Fork suspension emulators do not work with the Moto Guzzi design but there are much better cartridge (FAC) and spring ( Progressive) options available. I have fitted FAC dampers to several Guzzi's including V7 Sport, 750S, and Le Mans bikes along with FAC dampers. It takes a lot more work to upgrade a Moto Guzzi Loop frame bike (V700, Ambassador, Eldorado) but adding FAC dampers and Progressive springs to the primitive 1960's Loop design suspension is a marked improvement.

    I prefer to keep these old nails stock 'looking' and short of some minor improvements accept the period technology as is.

  3. #13
    Junior Member
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    16825
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    Racetechs motto is something like the best you've ridden is the best you know, everything is possible, Maxton here in the UK will fit a full 25mm cartridge system that would have graced a race bike 15 years ago, of course there will be other limitations such as period brakes holding you up but you can have a nice plush ride and good handling!

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  5. #14
    Member
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    John DeMaria
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    My parts arrived from MG Cycle, Albany WI. I already had a full set of fork seals, so to rebuild to NOS standard I ordered a pair of bottom sealing washers, shocks, dust shields and top “0” ring seals. These are alllisted for Moto Guzzi, but pleased to report all identical dimensions and thread sizes and pitch! About $110, shipped. Put the first fork today, and no issues. Used 70 cc’s of fork oil and it all went together nicely.
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  6. #15
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    John DeMaria
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    Eat, Sleep, and Repeat.......
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  7. #16
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    John DeMaria
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    All done and ready to swap in before the riding season arrives!
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    R Powell likes this.

  8. #17
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    Looks great!

  9. #18
    Member
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    John DeMaria
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    All back together. Went smoothly. Hard time adding photos here! Just not working!

  10. #19
    Member
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    John DeMaria
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    Fork photo, finally.
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  11. #20
    Senior Member
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    The 250 2C forks look very similar. (I’d already put the oil seals in before it occurred to me to take a photo, which is why they aren’t in the picture!)
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