New Micro Max Format (As of 1st April 2024) The new permitted format for the Micro Max class will be as follows: Fixed gearing 14/80 New 16mm exhaust socket Carb restrictor part number (267536) New Vega tyres * NEW 16mm EXHAUST SOCKET WILL BE AVAILABLE FROM JAG ROTAX AS FROM 1st APRIL 2024*    

March 19, 2024

INTER EXHAUST It has come to our attention that there has been an error in the manufacturing process of the inter exhaust. It appears that the steel mesh surrounding the baffle tube has not been fitted on some. Could all competitors please check their exhausts comply to the Rotax Max Technical regulations (5.14.3) before entering […]

February 22, 2024

MICRO & MINI CHANGES FOR 2024 Following discussions with Rotax Service centres, Customers, Motorsport UK and external stakeholders – JAG are pleased to confirm the roadmap and timeline for the technical specs for the Mini and Micro Classes for the UK in 2024. Global regs will be followed as near as possible although some parts […]

December 14, 2023

Revised cylinders for ROTAX MAX engine family BRP-Rotax always strives to provide products at highest quality standards and to secure the availability according to our customers’ demand. The cylinder as the key element in regards of engine performance and its parity must have our maximum focus. In order to maintain our technology leadership, the decision […]

November 2, 2023

  ROTAX SENIOR MAX HIGHLIGHTED CHANGES EFFECTIVE FROM 22/6/23 Exhaust valve protection plate. The cylinder protection plate is MANDATORY . The cylinder protection plate must be fitted between cylinder and exhaust valve gasket CYLINDER PROTECTION PLATE PART No. 251336   The cylinder protection plate must have a minimum thickness of 0,08 mm. It is possible […]

June 2, 2023

Reed Stop plate – Part number 281551 From 20/06/2023 All JAG sealed Micro and Inter engines must be fitted with the Reed stop plates. It is MANDATORY to fit 2 Reed block gaskets It is MANDATORY to fit 1 x M6 washer under the bolt which is secured with the seal wile for identification purpose. […]

June 2, 2023

There has been an amendment for the Mini Max class for the 2021 season, as mandated by section C.2.8.3 on the Motorsport UK regulations , which states the following: C2.8.3 Weight. Minimum of 132kg including driver at all times. Minimum driver weight as per U17.29.6 is 37.5kg. Reason for amendment: Small increase in minimum weights inline […]

March 7, 2021