Zumasrus

Carburetor Tuner

Mikuni Pocket Tuner

Description:
Pocket size slide calculator used to determine required jetting changes in carburetors due to changes in temperature and altitude. For single and multiple carburetion on two stroke and four stroke engines. Comes with a guide for determining rich or lean conditions.
(the same theory pertains to Dellorto, Keihn, etc, 2 or 4 stroke!)