Sorry, I'm sure reasons for this must have been covered before but I cant find the topics
New engine, was running yesterday, left it an hour or so and then it wont start, sussed the reason - cos its lost half a tank of petrol into the exhaust. Its a phbh rubber mounted carb. Why would it do this? Never used this set up before so go easy on me
More problems, exhaust full of petrol
- Speed Demon
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Float needle valve leaking in carb or float stuck. If it has a black tip it's possible been eaten by ethanol content in modern fuel. Red-tipped (viton) ones are better.
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- sean brady scooters
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check also that the floats are not perferated (full of fuel ) ...its not uncommon !
Sean Brady Scooters - 01765 690 698
- sean brady scooters
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size wise yes for sure !Snails wrote:Oh yeah that old chestnut. It's black - so thinking could swap with a red from my jetex. Any difference?
Sean Brady Scooters - 01765 690 698
- Speed Demon
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Yes there is a difference. PHBH type have needles matched to the valve seat size. Various valve seat sizes are available.
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- Speed Demon
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Make a note of the seat size. Often sold as a set of: seat, needle and fibre washer.Snails wrote:Thanks. I will go purchase one tomorrow
Don't think the float is holed but good suggestion
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