Question about 1999 Aprilia Pegaso 650
I've just rebuilt the carbs with new float valves, o rings etc & blasted it out with an air line. The bike now runs lean & coughs & pops when I open the throttle. It revs when choke is on so I presume it needs the mixture setting. Where is the mixture screw & how many turns does it need? Cheers
Posted by Anonymous on
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Posted on Oct 20, 2015
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Posted on Jan 02, 2017
Turn both screws inward and seat them GENTLY. Now turn both screws one and one half turns outward. This is the factory setting.
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Posted on Mar 19, 2009
Since the bike is new, chances are strong that fuel IS the problem.
Also chances are that the carb is perfectly fine. Since the bike is new I'll bet yoy have washed it several times already. The dealer may have washed it also. Fuel is the problem because bikes do not run well on water.
Drain the carb. Remove the water trap bowl on the bottom of the petcock, (gas valve). Look at the gas in the bowl. Any water in the bottom of the bowl? Drain a cup of gas from the petcock. any water in the cup? I am very hopefull this will fix the problem. With a new bike and a clean carb and fuel system not much else should be wrong.
Posted on Mar 21, 2009
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