626 amal jetting

[century]

motor nearly finished ,350,have a brand new amal 626 with 160 main,106 needle and no 3 slide,not sure of pilot size ,does sound about right,cheers

[Joker_Bones]

Rule of thumb for a concentric is to use all the same sizes as a monobloc except reduce the the main jet size by 20%
The pilot jet in a 4 stroke concentric is usually a pressed in type so isn't changeable

[century]

gday mate ,will take it on board,thanks for that,dave