Thats the lawyer in you interpreting words again dave.
i am finding out a answer for you guys from the horses mouth. im also trying to find out whether you can enter your chinese bike in open to get more track time. because if you read the rules it says and i quote rule 5.14
5.14 Bike and engine may be of any country of origin, (outside of China). e.g - Honda, Kawasaki, Yamaha, KTM, BBR, Takegawa etc
Class 5 / A – Chinese 4 stroke Example - Motovert, PitsterPro, Thumpstar, DHZ etc
5.1 Capacity: As mentioned above 4 stroke only.
5.2 Bike (frame), Engine, barrel and head must be Chinese manufacture.
5.3 Engine must be horizontal design.
5.4 Engine work unlimited (up to capacity for specific classes).
5.5 Fuel must comply with 2011 GRC 15.5.01
5.6 Engines may be air/oil cooled only, (no water cooled).
5.7 Gear box maybe used.
5.8 Maximum wheel base: 1250mm
5.9 Frames: To be open cradle design/construction.
5.10 Maximum wheel size 12” front and 12” rear.
5.11 Treaded or slick road tyres must be used.
5.12 No combustion enhancers such as NOS may be used and all bikes must be naturally aspirated.
Class 5 / B – Open 2 and 4 stroke Example - Honda, Kawasaki, Yamaha, KTM, BBR, Takegawa etc
5.13 Capacity: As mentioned above.
5.14 Bike and engine may be of any country of origin, (outside of China).
5.15 Engine may be horizontal or vertical design.
5.16 Engine work unlimited (up to capacity for specific classes).
5.17 Fuel must comply with 2011 GRC 15.5.01
5.18 Engines may be air/oil or water cooled. The only coolant permitted is water (as per GRC 15.2.1.5).
5.19 Gear box maybe used.
5.20 Maximum wheel size 12” front and 12” rear.
5.21 Treaded or slick road tyres must be used
5.22 No combustion enhancers such as NOS may be used and all bikes may be naturally aspirated or EFI.
