RC car question need help please!?
I have a HPI 5b 23cc (2t) buggy. lately when I start up the engine it just puffs out lots and lots of grey smoke and torque and top speed have dropped massively. so full throttle is like quarter now. I am using the correct fuel to 2t oil ratio and I did all the routine maintenance according to the user manual. I never changed the settings on the carburator either. It has been working fine for a whole spring and summer, never used it in any snowy or rainy condition, never did any hard bashing with it. Dont know what to do. I am planning on changing the whole engine to a new one or does anyone know how to fix this problem or what could be causing it?. help pls!
THX
Make sure it's fresh fuel and oil, replace the HT lead and the spark plug.
There should be a section in the manual about re-setting the mixture back to factory settings, try that and see how you get on with it.
And of course, make sure you didn't use diesel instead of petrol at the pump...
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