HOME and how to join › Forum › Open Area › General Scott topics › needle jet size › Re: Re: needle jet size
These are the settings I use on my 498 cc 2 Speeder. I too use a 276 Amal body.
Main Jet 170, Slide 6/3, Needle Jet 106. Ignition Timing 5/16″ BTDC Fully advanced.
I think it may be a little on the rich side as it 4 strokes very readily on light load