Spark plug
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Sorry not had the bike long it’s a 1990 125 dtr Swiss import. Have tried to up load some photos but no joy.
Looks like it has not been touched for years. Got a new plug air filter exhaust tyres. Changed the oil and it runs ok very quick up to 60 then dies a death -
@shaunp1912 As in the engine cuts out at 60mph or it just tops out and won't go any faster???
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Just tops out, and won’t pull, did have issues when I 1st got it the battery was shot and the power valve didn’t move. But fitted new battery and was a lot better, but worried at the condition of the plug
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@shaunp1912 It sounds like the bike is being restricted, see here on how to remove those restrictions;
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[url=https://postimg.cc/bSf5q70s][img]https://i.postimg.cc/prmMJxpY/8-E04586-B-0038-4-ED3-8031-3102-BB56898-F.jpg[/img][/url]
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Cannot see a mixture screw
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@shaunp1912 It's the big phillips screw in the center of that picture.
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@shaunp1912 Oh and BTW see this also;
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I thought that was the idle screw. Oh well every days a school day
Cheers -
@shaunp1912 There's lots of info on here, please use the search engine;
See here dude;
https://dt125r.co.uk/topic/32/how-to-carburettor-tuning
http://www.ngksparkplugs.co.za/technical/technical-spark-plugs/
