KymcoForum.com
Scooters - 50cc => Agility 50 => Topic started by: sticlistul on April 22, 2010, 01:22:46 PM
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Today I've changed the original spark plug (at 14150km) with an NGK C7HSA and i've start the engine ,run it for about 4 min and when I've taked it out I find oil on thread the top of the spark it wasn't wet ( but it was black I think is beacouse of airfilter ,I didn't change yet and it could run rich) or it can be from the oil ? so do you have oil on spark plug ?
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...sounds like a rich condition....
..did you just run it at idle??
..if so, you can adjust your idle screw clockwise slightly to reduce the amount of petrol in the fuel mix...
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yes it was at idle I've cleaned the air filter with a vacum (until I change the air filter with a free flow one and a 88main jet )And with that I hope I will do 80 km/h on flat , but for next plug chop reading I will cleen the spark I have now with a wire brush ....I don't want to buy an other one
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...probably gonna be more like 72-75 kmh on th flats...
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I already have 70-72km/h on flat ( and I didn't get the new rollers yet ,this one are prety damaged ,I just hope the 5 g rollers don't cut my speed)
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Even tho you have a stock paper element you can still use gasoline to clean it. A small pan will work to sort of shake it around in. It will work much better when it cleaned out. Just be sure to dry it well before using.