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MG Midget and Sprite Technical - Hot starting problem

I have a 1967 midget, fully restored 4 years ago and fitted with a 1380 cc engine. It starts from cold perfectly and runs super but switch off and leave for a few minutes on a warm day and it will not start. Pouring cold water over the carbs and coil get it going again, sometimes with a misfire for a few minutes. Engine temp is just below normal. Plugs are the right colour after a run. I suspect either a fuel vapour lock or a dodgy coil. Anyone have any suggestions?
Richard Tinkler

Hello,

Do you have a heatshield between the carbs and engine? It sounds like a "vapour lock" this means: when engine is hot the feul inside the carbs vapourises and no fuel is entering the cillinders.
there must be a sort of alluminum wafel-plate between the carbs and inlet-manifold.

Second option is that your contactpoints are worn, I've had that oncd with a mini. I renewed my contact points and my warm start problem was over.

I hope this was helpfull
Goodluck
M Veenendaal

I have the heatshield you describe in place. The points are fairly new but I will check again in the morning. Thanks for the advice
Richard Tinkler

This thread was discussed on 02/09/2011

MG Midget and Sprite Technical index

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