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Plug whiskers

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Plug whiskers

Post  FB vincent on Sat Jul 28, 2018 5:51 am

I thought that plug whiskering was a thing of the past.

I have ridden several thousand miles since I once again took up 2 stroke biking on ancient machines, and have never had a plus whisker (although plenty of other crises!). As a teenager I don't remember suffering this on either AMC or Villiers engined bikes.

But yesterday my brother's Villiers 2F engine Powerbike came to a full stop for this reason. Plug out, very weak spark, whisker removed from the electrodes and we were off again. Oil used was Castrol POWER1 2T.

Has anyone else had this sort of problem with modern oils?

Sandy



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plug whiskering

Post  piston 197 on Sat Jul 28, 2018 7:15 am

Yes it should be a thing of the past, contamination in petrol tank ( sealant etc) bearing breaking up ? wrong plug ?
JH
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Plug whisker

Post  FB vincent on Sat Jul 28, 2018 5:15 pm

piston 197 wrote:Yes it should be a thing of the past, contamination in petrol tank ( sealant etc) bearing breaking up ? wrong plug ?
JH

No, none of these. No sealant in tank, engine rebuilt recently, correct spec plug. Just might have been rust in tank getting through to the carb, but not aware that this could cause this problem.

Sandy

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