The following changes to Rotax rules have recently been released:

USRMC TECH BULLETIN  021010

RMC REGULATIONS 2010 BULLETIN 1 (2010.01.27)

Rotax has released an update regarding the minimum length of the Rotax FR and DD2 spark plug wire.  The bulletin is available on the USRMC website

Effective Immediately;

Rule 11.6

Minimum length of ignition wire ( high tension wire) is 210 mm from outlet of cable at ignition coil to outlet of cable at spark plug connector ( = the visible length of wire)

Tuesday, February 02, 2010

The following additions are being made to the 2010 USRMC Tech Supplementary Regulations

Section 1

• Technical Inspectors may use any method necessary to determine compliance of Rotax Engines or components.

Section 3.0          Chassis

• Seat Mounts..All Classes – Any seat strut/stay attached to the chassis must be attached at both ends, bolts and nuts must be in a condition of compression at all times.

Section 15.1        Carburetor

• All jets must be screwed tight, this includes “inner” pilot jet.  Tight defined as designed by manufacture.  No Modifications