Pilot jets
The
“VM28.486”
series of jets is what will work in the stock dirt carburetor (Mikuni TM33 SS). The
“N224.103”
series of jets may look like they will work, but they will not fit.
VM28/486 pilot jet for the Mikuni TM33 SS carburetor as used on the DR350.
Photo courtesy of Niche Cycle Supply.
Main jets
The
“N100.604”
series of jets is what will work in the stock dirt carburetor (Mikuni TM33 SS). The
“N102.221”
series of jets will also work perfectly well, although the diameter of the head is smaller.
The dimensions of the
“N100.604”
jet are as follows.
- Diameter of the slotted head: 8 mm
- Overall length: 9 mm
- Thread size: 5 mm × 0.75 mm
The dimensions of the
“N102.221”
jet are as follows.
- Diameter of the slotted head: 6 mm
- Overall length: 9 mm
- Thread size: 5 mm × 0.75 mm
N100/604 main jet for the Mikuni TM33 SS carburetor as used on the DR350.
Photo courtesy of Niche Cycle Supply.