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Re: [T TBS R] Re: Which oil to use???

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  • Mo
    Peter, for some reason, yahoo always treats your emails as spam, but none others in hte group..Anyone else have this problem? You think its a judgement call on
    Message 1 of 24 , Oct 5, 2006
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      Peter,

      for some reason, yahoo always treats your emails as spam, but none others in hte group..Anyone else have this problem? You think its a judgement call on what they think of your your posts?<smile>

      ----- Original Message ----
      From: petermholmes <no_reply@yahoogroups.com>
      To: triumphthunderbirdsportriders@yahoogroups.com
      Sent: Saturday, September 30, 2006 8:45:34 PM
      Subject: [T TBS R] Re: Which oil to use???













      > So... I'm not someone who understands oils. Is a 15-50

      > a thicker oil than a 10-40?



      Yes. Basically, 10W40 oil has the viscosity of a 10W oil when cold

      and a 40W oil when it's hot, higher numbers being "thicker". Ideally

      you want thin when you start up because you're trying to get the oil

      back onto all the parts it's drained off of as quickly as possible.

      However, once things are rolling you want thick because you want a

      heavy layer of protection between the parts. So a 15W50 oil provides

      "more protection" once the engine is warm than does a 10W40 oil.



      > If so, is it better for a motorcycle to have thicker or

      > thinner oil?



      That's really the engineer's call. In the case of the Triumph

      engineers, they have specified that the ideal oil should be 50W when warm.



      > Also, is the Thunderbird Sport considered a "wet clutch"

      > or whatever you call it?



      Yes, it's a wet clutch bike. That just means that the clutch runs in

      an oil bath, as opposed to a dry clutch which has no lubricant.














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    • petermholmes
      ... LOL no comment.
      Message 2 of 24 , Oct 5, 2006
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        > You think its a judgement call on what they think of
        > your your posts?<smile>

        LOL no comment.
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