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Optimal Temperature for 2 Strokes

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stirlinggaz
World Chat Champion



Joined: 22 Jul 2007
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PostPosted: 16:50 - 19 May 2010    Post subject: Reply with quote

hi,
what bike is it?
sounds like your doing things the right way though.
iirc, the optimum operating temp is 63deg, whether that means anything on the road,who knows?
cheers,
GAZ
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oldbiker
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Joined: 15 Nov 2009
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PostPosted: 18:55 - 19 May 2010    Post subject: Reply with quote

Quoting A.G.Bell from his tuning books 68-70C gives maximum power and reliability.

however if you just want to avoid engine ware, I would just let your bike warm up for a couple of minutes, and use an oil that has A3\...A4 listed in the oil specs.

If it`s a 2 stroke use a 2 stroke oil that has the spec JASO FC or JAS FD.
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stevo as b4
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Joined: 17 Jul 2003
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PostPosted: 20:39 - 19 May 2010    Post subject: Reply with quote

Start it and run it until it will hold a stable tickover with the choke fully off. Then ride it gently for 10min, keeping the revs low and load fairly light. Then thrash it hard as much as you want for as long as you want. Keep the 2stroke oil topped right up to avoid air getting into the system.
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ms51ves3
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Joined: 07 Jun 2007
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PostPosted: 20:51 - 19 May 2010    Post subject: Reply with quote

CHR15 wrote:
fully up to temp should be about 90 degrees.


When did you buy a 2 stroke? Wink

Don't warm the bike up at tickover, just start it up, ride it gently and it'll be up to temp in no time. Then you can thrash it. That's what I do.
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