Tuning problem on ASP .46 engine

by Ateeq Tayyib
(Lahore Pakistan)

I have installed a old ASP engine on my trainer.

I was trying to tune the engine and realized that the needle was fully closed still the engine was running and consuming a lot of fuel.

How can I tune the engine or make it run correctly?

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Tuning problem on ASP .46 engine

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Jul 30, 2009
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Which needle vavle... High or Low?
by: Matt

Hello Ateeq,

Which needle are you referring to? The high speed needle? Or the low speed needle?

Michael, one of the regular contributors, provided some great information about ASP engines on this post that you may find helpful.

Here is another thread about ASP engines that you man want to look at.

If your high speed needle is all the way closed and the engine still runs, then your needle valve is fault and should be replaced.