Question about Moto Guzzi Motorcycles
I run the bike fairly frequently and the fuel is clean. I set the air screws to one and a half turns.
If both cylinders are involved then it has to be a fuel delivery problem or a timing problem. If you have checked the timing (valve and ignition) then it's fuel and it applies to both cylinders (I'm assuming here). The tank valve may be gummed up. Flow may be restricted.
If it isn't both cylinders then it will likely be a carb problem on the bad side. Go through that carb again.
Posted on Apr 13, 2014
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Posted on Jan 02, 2017
Get some carb cleaner. Remove and clean the Nozzle, choke and main jet. Remove the pilot jet and air jet but count the number of turns to remove each one and put them back the same number of turns. Don't mess with the needle or clip or the pilot screw and plug at this time. Clean the carb thoroughly. Don't get carb cleaner on the diaphragm. If able, submerge the carb in cleaner overnight.
Let me know what happens by posting a comment.
Posted on Jun 27, 2009
thats the idle screw!
you need to adjust the mixture screw!
Posted on Aug 15, 2009
Testimonial: "Helped a little, still have problems :):("
hi,sounds to me like the air fuel ratio is all up the ***,locate the air/fuel screw on the carb(normally on the side)screw the screw right in untill it stops,then back the screw out 1.5 turns,this should get the bike to run without the choke,once you have the bike running simply turn the screw in or out untill the bike settles into a nice steady idle,should be good to go,hope this helps...cheers
Posted on Mar 27, 2010
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