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What is the correct Progressive Suspension Part#?

Discussion in 'XJ Technical Chat' started by myasylum, Jun 9, 2014.

  1. myasylum

    myasylum Member

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    Looking into new springs for my forks (while I'm at it)

    I'm finding 2 different part numbers on the forum.

    11-1106

    and

    11-1101

    I called Progressive Suspension and they said 11-1101 was correct...

    However... When I even looked on E-bay they all said 11-1106.

    I wonder what the difference even is between the two?

    Also... Do these all need spacers? Why would they make springs that need spacers?

    This is for a 1982 Seca 750

    Thanks!
     
    myasylum, Jun 9, 2014
    #1
  2. mtnbikecrazy55

    mtnbikecrazy55 Active Member

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    When I replaced te ones on my 750 I reused the stock spacers and replaced the stock 10w oil to a heavier 15w and have been satisfied with the results.

    Vast improvement over stock.
     
    mtnbikecrazy55, Jun 9, 2014
    #2
  3. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    I can't answer your question about the part numbers, but I can address the spacers. Using spacers is a method of applying preload to the spring, which sets the amount of suspension sag. The amount of preload needed will vary depending on the weight of the rider, and whether or not the bike will be ridden 2-up or with any luggage. The alternative to using spacers on your bike would be having springs custom wound to suit your weight and riding style, and even then a spacer would be used in order to fine tune the ride to your liking.

    As to my opinion about which springs to get; I'd trust the manufacturer's advice over that of a reseller.
     
    k-moe, Jun 9, 2014
    #3
  4. myasylum

    myasylum Member

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    Thanks! I know people are using PCV tubing as a spacer. That just doesn't seem like it would be strong enough, and plastic partials would end up in the forks. It must be work though?!
     
    myasylum, Jun 9, 2014
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  5. bigfitz52

    bigfitz52 Well-Known Member Premium Member

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    bigfitz52, Jun 9, 2014
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  6. myasylum

    myasylum Member

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    Not to be a dumb ass but I have no idea where you found that on the Web site!

    When I searched all I found were rear springs.
     
    myasylum, Jun 9, 2014
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  7. bigfitz52

    bigfitz52 Well-Known Member Premium Member

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    Go to the site. http://www.progressivesuspension.com/

    Across the top, above the picture it has "Harley" "Metric" "Off-Road" and "Start here - Your ride" in a blue box.

    Click "Start here - Your Ride" and select your year, make and model. It will bring you to a page that has various product links, like "412 Series shocks" "12-series dampers" "FORK SPRING KITS" etc. Click on the desired product; in this case "Fork Spring Kits."

    Much easier to use than their old site was.
     
    bigfitz52, Jun 9, 2014
    #7
  8. myasylum

    myasylum Member

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    Yet another dumb question...

    It does say Spring "Kit".

    Is this actually a "Kit" vs. What you might get at Amazon which would just be the springs?

    Thanks!
     
    myasylum, Jun 9, 2014
    #8
  9. bigfitz52

    bigfitz52 Well-Known Member Premium Member

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    It's a "kit" in that it includes instructions and spacers if needed. I'm sure the same Progressive part number purchased from Amazon, Bike Bandit, Motorcycle Superstore or any other retailer (including XJ4Ever) will get you the same "kit."
     
    bigfitz52, Jun 10, 2014
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