ROTAX MOJO MAX Challenge Technical Regulations ... - The FMSCI

Carburetor 17.1
17.2
17.3
17.4
17.5
17.6
17.7
17.8
17.8.1
17.8.2
DELL’ORTO carburetor
VHSB 34” cast in the housing of the carburetor.
”QD” or “QS” stamped in the housing of the carburetor.
Needle jet stamped with ”FN 266”
The complete inlet bore in the casting of the carburetor must
show cast surface.
The carburetor slide must show with size “40” in casting
and the bottom end of the slide must show cast surface.
Jet needle stamped with “K98”
Following two combination of floats and idle jets are legal:
Combination 1: Floats are marked with “gr 5.2”
Idle jet is stamped with the digits “30”
Idle jet insert is stamped with digits “30”
Carburetor insert 12.5 ( see illustration)
Combination 2: Floats are marked with “gr 3.6”
Idle jet is stamped with the digits “60”
Idle jet insert is stamped with digits “60"
Carburetor insert 8.5 ( see illustration)
Position of carburetor insert
number 8.5 or 12.5
TYPICAL
17.09
17.10
17.11
17.12
Needle valve is stamped either "150" or "200"
Start jet is stamped with the digits “60”
Settings of the carburetor adjustment screws are free.
A minimum required size of main jet may be determined for
each race event by a “Supplementary Regulation”.
Page 47 of 51 RMC/RMCGF Technical Regulations 2012 Edition: 27.02.2012 / Bull. 1