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  1. #1
    Junior Member sweetthdevil's Avatar
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    drive chain dust?

    Hello all,

    As you can see from the pictures the bike is covers of some sort of fine dust around the drive chain - like it is grinding something. I cleaned/ lubed and tension the chain two weeks ago and removed the front sprocket cover to clean and check that the drive chain wasn't grinding anything - there is no mark anywhere and I couldn't see anything that the chain would touch anyway. I did about 400miles since and it already needs to be tensioned again. I commute to work everyday mostyl on motorway and enjoy the occasional hard acceleration but I am normally a smooth rider.




    thoughts?

  2. #2
    Junior Member
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    Your chain looks to be very dry indeed - are you sure that you have lubed it? Make sure your chain is running true on the sprockets and is not at a slight angle (I use a chain alignment tool on mine just to be sure that I get it perfect. About the only other possibility is the chain being over tightened but it doesn't look like it in your pic.

  3. #3
    Junior Member sweetthdevil's Avatar
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    Yes definitely lubed and applied quite a bit to it using WURTH HIGH PERFORMANCE DRY CHAIN LUBE. I am also using a tool to make sure the chain is aligned & tightened according to the manual.

    According to the manual, the chain needs to be adjusted to 5/15mm slack whilst on the central stand - which seems to be quite tight.

  4. #4
    Senior Member bloggsy's Avatar
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    Quote Originally Posted by sweetthdevil View Post
    Yes definitely lubed and applied quite a bit to it using WURTH HIGH PERFORMANCE DRY CHAIN LUBE. I am also using a tool to make sure the chain is aligned & tightened according to the manual.

    According to the manual, the chain needs to be adjusted to 5/15mm slack whilst on the central stand - which seems to be quite tight.
    The adjustment figure you quote is wrong it is in the handbook as 5-15 MM. slack and it's a misprint, I dont know the correct figure but if you do a search it's somewhere on this site,

  5. #5
    Junior Member sweetthdevil's Avatar
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    Jesus Christ! You would imagine that Yamaha could handover handbook that are correct!

  6. #6
    Member
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    Chain slack should be roughly 25-30mm (general rule of thumb for all bikes) at the slackest point while on the side stand. At 15mm slack while on the centre stand I doubt you have any slack at all once the bike is back on the deck.

    As for those spray lubes, don't waste your money, they are gummy and attract dust.

    Parafin and a rag/toothbrush to clean your chain properly, followed by gear oil or engine oil to lubricate it afterwards, I brush it on with a cheap paintbrush.

    Then I run a rag along the chain and get off any excess. Jobs a good un

  7. #7
    Member
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    Quote Originally Posted by Mikejbry View Post
    Chain slack should be roughly 25-30mm (general rule of thumb for all bikes) at the slackest point while on the side stand. At 15mm slack while on the centre stand I doubt you have any slack at all once the bike is back on the deck.

    As for those spray lubes, don't waste your money, they are gummy and attract dust.

    Parafin and a rag/toothbrush to clean your chain properly, followed by gear oil or engine oil to lubricate it afterwards, I brush it on with a cheap paintbrush.

    Then I run a rag along the chain and get off any excess. Jobs a good un
    Agree 100% with all of the above, that's exactly how I do it and have done for many years. Wurth products are second to none and I have also used them for many years, but never the dry chain lube, and looking at your chain it is crying out for gear oil....proper lube.

  8. #8
    Junior Member sweetthdevil's Avatar
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    Thanks for the replies. So you are using the same engine oil (you use on the trace) for the chain? Does that not make a meds and fly around?

  9. #9
    Junior Member JohnD's Avatar
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    From your pics, the chain is pitted on the rollers, get a new one.
    The dust on the rim is probably brake dust.

  10. #10
    Member
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    Oil will make a mess in comparison to spray lube yes.

    Small price to pay for a chain that lasts well and doesn't need adjusting as often. Looking at your bike, you must ride it in winter a fair bit, so a bit of oil coating the surrounding parts wouldn't be a bad thing!

    But typically after you oil the chain and dry it off with a rag, you minimise the potential mess.

 

 

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