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Old 20-01-18, 03:07 PM   #5
DuncanC
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Join Date: May 2016
Location: Wantage
Posts: 68
Default Re: running problems

It could be old plug caps and HT leads, that can cause rough running as soon as there is any load on the spark.
Also crud in the carbs, it might be sucking gunk up and blocking a jet as soon as the fuel starts to move a bit quicker.
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