Mikuni Jet Size Chart. Typically, an hsr42 combined with aftermarket exhaust system needs a 165 main jet. The general rule is that hsr42s fitted to engines with loud.
Mikuni pilot jet size chart from productpromovideo.com
The standard main jet fitted to the hsr42 is a number 160. The general rule is that hsr42s fitted to engines with loud. Typically, an hsr42 combined with aftermarket exhaust system needs a 165 main jet.
1 Mikuni jet size chart
The General Rule Is That Hsr42S Fitted To Engines With Loud.
Typically, an hsr42 combined with aftermarket exhaust system needs a 165 main jet. This size is correct for stock mufflers.
The Standard Main Jet Fitted To The Hsr42 Is A Number 160.
