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Yamaha screw & bolt sizes

Discussion in 'Hangout Lounge' started by canaweb, Mar 18, 2007.

  1. canaweb

    canaweb Member

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    Anybody know Yamaha's naming conventions system for screws and bolts on this bike?

    My question - is there a way to use the Yamaha part #s to determine the sizes of all of these headlight bolts & screws? The local dealership wants nearly $2 for each of these and it just seems that a metric panhead screw should cost about .15 cents (NOT $1 - $2) -
    IF I knew the length, size, etc. I might have some luck at the local hardware store.

    I need to replace all of the headlight assembly screws, nuts, etc. on my '82 XJ650J Maxim
     
  2. Polock

    Polock Well-Known Member

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    metric screws measure slightly smaller than actual size
     
  3. Russxlr8s

    Russxlr8s Member

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    Lowes has a much better screws selection then Home Depo, They certainly carry more metric then HD. Also I think CopperState Nut & Bolt is a national chain, not real sure but I would think most large City's would have a good fastener company.
     
  4. Flooglebinder

    Flooglebinder Member

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    I've found that the smaller hardware stores like Ace or True Value have way better selections than the giants like Home Depot and Lowe's. Plus, if you happen to have a question you can ask somebody who actually knows the answer instead of giving you either a b.s. answer or no answer at all.

    Apologies to anyone who works at a big box like Lowe's or Home Depot, but I'm sure even they'll agree that there's no excess of geniuses there.
     
  5. Ease

    Ease Member

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    Anyone order hex-head replacement kits?

    If So, where?
     
  6. Fraps

    Fraps Member

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    Get yourself a pile of metric bolts and nuts - one or two of each (a metric tap and die set works well too and you now have a new tool set!). When you need to know the thread size of something, try your various taps until one runs in and out smoothly. Same for the dies on threaded bolts etc.

    You can estimate the length and if you are really not sure, go a bit longer and you can grind off the end.
     
  7. MAX-X

    MAX-X Member

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    I have a plastic nut & bolt gauge, should be able to get them at just about any local auto parts store or hardware store, cost a couple bucks & measures metric as well as inches. You can size up just about any nut or bolt you'd ever need, it goes from 3 to 22 mm in sizing up bolts & from .70 to 2.5 in thread pitch. also measures length & has an indent for measuring pan heads.
     
  8. canaweb

    canaweb Member

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    Thanks for the tips! I have an ACE close by.
    Still - is there a method of determining the proper size using Yamaha's part number - or is the number just randomly assigned? Sometimes the actual details are hidden in the number.
     
  9. MAX-X

    MAX-X Member

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    Looks like this, As you can see on mine, some places use them to advertise their business on them & can be found on the counters by the registers. Not an expert on Yamahas numbering, I just do it the old fashion way :lol:
     

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  10. Polock

    Polock Well-Known Member

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    canaweb
    is that the Adirondack regional airport in your gallery ?
     
  11. Robert

    Robert Active Member

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    I got my hands on a metric bolt assortment from JC Whitney, not too shabby of a selection but it is all mild grade (grade 2 or so) hardware so nothing fancy. It has been supporting my Yamaha collection for years now. I add to it whenever a spare metric bolt happens into my life or I add to it from Lowes or Ace.
     
  12. Stinky

    Stinky Member

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    I can't help you with the part number question but I have done some work replacing bolts myself so I can pass that knowledge along. Copper State has a great selection of hardware unless you want something metric. They can get it for you but why order when Ace has a great metric selection. It seems most of the Yamaha bolts I replaced are the super fine thread of any given metric size. Ex. in 10mm you can get a 1.5, 1.25 and 1.0 thread pitch. The yamaha's use the 1.0. Both Ace and Home Depot have a display in the specialty hardware section of various bolts and nuts properly labeled so you can find which bolt your nut threads to and vice versa. Very handy and its right there so you can walk in with a handful of hardware you know nothing about and figure it all out in a matter of minutes. Hopefully you have the hardware you nee to replace...
     
  13. RickCoMatic

    RickCoMatic Well-Known Member

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    I bought "Metric Allen Stainless Bulk" off eBay. For 28-Bucks you score HUGE!

    I bought the Stainless Carb Fastener's Kit; too. From the guy in France. They might be on eBay UK. They're LOVELY!

    Some Stainless Kits are "Bike Specific" ... for the little you have to shell-out, for Grade-A Stainless ... you should get two!
     
  14. canaweb

    canaweb Member

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    Hi Polock,
    no, thats South Albany (4B0). They recently did a ton of work on the runway. I usually fly out of a small private strip though.
     
  15. canaweb

    canaweb Member

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    True Value hardware rocks! I got ALL of the screws, spring washers and nuts needed for the headlight assembly for about $3.00!! Dealer wanted about $19 for the same group of 14 pieces! And you won't believe it.. the place was called Polock's True Value!
     
  16. gremlin484

    gremlin484 Member

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    I have an Ace hardware store near my place that has a whole entire section (like 4 full isles) of any kind of small part you could ever dream of. Every odd bolt, nut, washer, spring, clip, or whatever part you need. Many of the parts they have in different materials too ( where applicable ), brass, aluminum, rubber, copper, etc. They even have a whole section of o-rings and seals that are great for automotive applications.

    I love those ma & pop hardware stores. ( Ace is a chain i know, but at least it's a franchise that they can pick and choose what to specialize in ) Lowes and Home Depot are about worthless if you're doing anything but building a deck or redoing your kitchen.
     
  17. RickCoMatic

    RickCoMatic Well-Known Member

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    canaweb ...

    Saratoga County?
     
  18. canaweb

    canaweb Member

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    close - southern Albany county. Saratoga is about an hr from home..
    Do you fly? or just on Evie and Dora?
     
  19. RickCoMatic

    RickCoMatic Well-Known Member

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    I grew up in Saratoga. Still have family there. I fly the 900 across the MassPike every August to visit the Horsies!
     
  20. Andrew Nichols

    Andrew Nichols Active Member

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    Today I learned that you can figure out the specifics of a Yamaha bolt just by using the part#! I wish I'd known that sooner...Of course, there are probably a few of you that already have this memorized... Hogfiddles.;)

    Screenshot_20240309-153804-724.png

    Thanks to:
    https://yamaha-enduros.com/index.php/workshop/decoding-yamaha-part-numbers

    Another source that gives examples and pictures of washers is here:

    https://www.japanmotonuts.com/post/understanding-yamaha-fastener-codes#:~:text=- The five digits are the,color or surface treatment used.
     
  21. Door dude

    Door dude Active Member Premium Member

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    Sorry to say that this thread is from 2007 but the info you have provided is pretty cool.
     
  22. Andrew Nichols

    Andrew Nichols Active Member

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    I knew it was old but it seemed better to keep it all in one place. There was another thread that talked about the pitch of the threads based on the part# but the link stopped working and it seems like most of them are 1.25 anyway.

    2007 isn't that long ago compared to the age of my bikes....:(
     

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