Re: Motto Guzzi Problems

Seth B /
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Sounds like you got a great deal! Post some pics, we'd love to see it. The first thing you need to do is read Fred's Guide. It's on this website, under the Wiki tab. Read it and learn it. I'm not familiar with the specifics of your bike, but the same principles apply to them all. If it only runs with the choke, it's getting too much air. You may have an air leak somewhere, like at the intake or maybe crank seals. However, if you are running with no air filter, that is your problem. The air cleaner restricts air flow, and without it, it will get too much air and will only run properly by restricting the airflow, like by closing the choke... make sense? Don't mess with the jet, yet. If the bike is stock, you need the stock jet, and stock air cleaner. If, and only if, performance modifications are done, will you change jet size. such as performance expansion chamber exhaust or a larger cylinder kit, The best thing you can do is get it running properly stock first. Be patient, and you'll get it figured out. There's lots of good folks on here to help you out.

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