I have a Piaggio Nrg 2003 EXHAUST FLAMES

I have a Piaggio Nrg 2003 been in the garage for a while now trying to get it back on the road for my son . When trying to start it turning over got good spark sometimes you get a blow backs though the Exhaust and also flames coming out . Could somebody please help!!

rickharris1 year ago
Almost certainly this is a timing issue

Your pumping fuel into the exhaust whilst trying to start it and then igniting the fuel because the exhaust port is open when the spark goes off.

Your timing therefore is too retarded (late)

Get More Out of Instructables

Already have an Account?


PDF Downloads
As a Pro member, you will gain access to download any Instructable in the PDF format. You also have the ability to customize your PDF download.

Upgrade to Pro today!