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xj550 rear brake cam

Discussion in 'XJ Technical Chat' started by cack-, Jun 20, 2011.

  1. cack-

    cack- New Member

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    does anybody know what bikes the rear brake cam is interchangeable with?

    i'm having a hard time finding one for an xj, but i can find an xs650 one no problem.

    i know it's a pretty simple mechanism so i'm hoping they're fairly interchangeable between models
     
    cack-, Jun 20, 2011
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  2. bigfitz52

    bigfitz52 Well-Known Member Premium Member

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    It will depend on which 550 you have, Seca, Maxim, or "World market" which looks like a Seca but would have the same brake as the Maxim. Doubt it's the same as an XS, but you never know.

    This is why it's important to put your bike info in your signature, and your basic location in your profile.

    So... what're we talkin' 'bout, bike-wise, and where yo' is?
     
    bigfitz52, Jun 20, 2011
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  3. cack-

    cack- New Member

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    the bike is a seca, and i'm in nova scotia canada..

    trying to find anything that will work. i thought i saw somewheres that an xs 650 and a maxim were interchangeable somewheres.. which led me to believe that it could possibly be the same as a seca as well.
     
    cack-, Jun 20, 2011
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  4. cack-

    cack- New Member

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    even is someone knows the yamaha part number so i can try and look that up and try and cross reference with other bikes on google.. i've been searching high and low and not coming up with much.. i've found a few online to buy, but i'm trying to buy local if at all possible, shipping to canada can take a while and i need to get it back on the road asap as it's my only mode of transport
     
    cack-, Jun 20, 2011
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  5. bigfitz52

    bigfitz52 Well-Known Member Premium Member

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    Seca. Whew.

    OK, here's the deal. The Seca was "blessed" with a much smaller rear brake than the Maxim; our brake is the same as the "XJ" XS400s, Seca OR Maxim, as long as it's the DOHC XS.

    For a part number, here's the North American fiche: http://www.yamahapartshouse.net/pages/O ... ibrand=YAM

    It's pn 4R4-25351-00-00, "CAMSHAFT." It's NOT the same as the 550 Max or the 650, that's a "4H7" part number; and it's for sure different.

    Your cheapest and easiest solution would be to find a brake assembly from a 550 Seca, 400 Maxim or 400 Seca on eBay. I got a whole rear wheel assembly for a 400 Max for $10 when I needed a brake drum assembly.

    Wanna 400 Maxim wheel? Free for postage?
     
    bigfitz52, Jun 20, 2011
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  6. cack-

    cack- New Member

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    great, thanks alot thats just what i needed to know.. one more question.. the dealership i called said that they could only go back as far as 85 on their parts search... any idea what years that cam ran through?
     
    cack-, Jun 20, 2011
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  7. bigfitz52

    bigfitz52 Well-Known Member Premium Member

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    More than what I can be 100% sure of; but for sure 1981-83 for the 550 Seca; and '82-'83 for the "XJ" XS400s.

    Check with chacal (XJ4Ever) and if he doesn't have one I'm pretty sure I know where you can find one NOS. It also looks like it's still available from Yamaha for way too much money.

    You don't need the dealership to look up parts, I just posted a link to the fiche.
     
    bigfitz52, Jun 21, 2011
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