spark arrestors and oring chains
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  1. #1
    Senior Member LuvNot's Avatar
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    May 2015
    Hampton, VA

    spark arrestors and oring chains

    This may be a pretty basic question for most folks, but I've never had a "dirt bike" before and all of my previous bikes were either shaft or belt driven. So I need sum edjuamication.

    Question 1
    What does a "spark arrestor" look like on the TW200? Google shows a couple of different screen-like devices, but usually shows them paired with non-standard mufflers. Is it standard for the stock muffler? If not, how can I tell if the bike has one?

    Question 2
    What makes an oring chain superior to a regular chain? It appears to be one of those universal upgrades everyone says is essential, but why? Do they require different maintenance than a regular chain?
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  2. #2
    Senior Member GaryL's Avatar
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    Jun 2013
    Forestburgh, NY
    All stock TWs have a spark arrestor in the end of the muffler unless some foolish PO removed it.

    O Ring and X ring chains are very much superior to the stock chain. The rubber rings, O or X go behind the joining plates and seal the roller bearings from outside water and dirt getting in and this is where 90% of chain ware occurs. Ringed chains are pre lubricated and need very little external lubrication. Where a stock roller chain might last a few thousand miles and require constant adjustment and lubrication/cleaning the ringed chains should last at least 10,000+ miles with very little adjusting and lubing. Chain ware directly relates to sprocket ware so by upgrading to a ringed chain you get the added benefit of longer lasting sprockets.

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