Carburetor main jet 101 for Gurtner – 092

Description

Gurtner main jet size 92.

E2 Norm and other performance restricting measures have jets that are too small.

Recommended when fitting a sports exhaust or 70cc cylinder.

An increase of 10-15% is recommended for systems or 70cc cylinders.

Check plug to see how the mixture is running.

• light brown – optimal
• black – too rich (jet too large)
• grey to white-ish = too lean (jet too small) and danger of seizure.