CHAPTER 17 Open Performance

Open Performance

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6 Class

a) Open Performance

Age

a) Restricted by Licence

Competition Eligibility

a) Club b) Zonal c) State Championship, Series, Cup, Trophy

Licence Requirements

a) A Driver must hold a Minimum B Grade Senior licence unless a Driver is the Kart is powered by a four (4) stroke engine(s) wherein a Driver must hold a Minimum C Grade Senior licence.

Chassis

a) Must comply with the Rules b) Front wheel braking is permitted.

Drivetrain

a) Engine (i) Vortex Rok DVS SV (Senior) as Homologated 1) The engine must be manufactured by Vortex and imported into Australia by Patrizicorse; or (ii) IAME Super X30 1) The engine must be manufactured by IAME and imported into Australia by Remo Racing Pty Ltd. (iii) IAME Super X30 Shifter 1) The engine must be manufactured by IAME and imported into Australia by Remo Racing Pty Ltd. (iv) Torini TC 250 Factory Sealed as Homologated. 1) The engine must be manufactured by Austech Industries Pty Ltd. (v) May be either two (2) or four (4) stroke 1) Two (2) Stroke a. Must be no more than 255cc total cylinder volume when two (2) 125cc KA Homologated and/or KA Approved engines of the same brand and model are used at the same time. • Both engines including ancillaries must conform to the Homologation or KA Approval documents. b. Must be no more than 206cc total cylinder volume for a single engine. 2) Four (4) Stroke a. Must be no more than 430cc total cylinder volume when two (2) Torini TC250 engines are used at the same time. (vi) Must be a series Production Engine (vii) Must be KA or CIK-FIA Homologated and/or KA Approval (viii) A Kart may have no more than two (2) engines fitted at one time. (ix) May be either air or water cooled.

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(x) Technical specifications available at karting.net.au (xi) Maximum Number of engines permitted to be used by the Driver from the commencement of the first qualifying session at each Meeting 1) Single Engine a. Two (2) 2) Twin Engine a. Four (4) b) Carburettor (i) Must have one (1) single throat carburettor per cylinder. c) Induction Noise Silencer (i) In accordance with the relevant engine homologation; or (ii) If the AKA43 is used it must be in accordance with the Rules. d) Exhaust (i) Header Pipe 1) In accordance with the relevant engine Homologation (ii) Restrictor Plate 1) N/A (iii) Muffler 1) In accordance with the relevant engine Homologation 2) Twin engine installations exhaust systems may be modified to suit the installation and packaging requirements. a. The overall lengths must remain within +/-2mm of the original for each individual cut. b. Concave relief of the muffler/silencer is permitted to provide a smaller overall packaging space. e) Ignition System (i) Digital Ignition Systems are only permitted of the same type and style as the OEM system. f) Cooling (i) If the type of cooling system is included in the relevant engine Homologation it must be used. (ii) For all other engine types the cooling system is free. g) Transmission (i) CIK-FIA Homologated h) Starter (i) No Class specific definitions i) Clutch (i) No Class specific definitions j) Fuel (i) No Class specific conditions

Competition Tyres

a) Dry - Prime (i) MG FZ Prime (Yellow) 1) Front Tyre size must be a. 10 x 4.60-5 2) Rear Tyre size must be a. 11 x 7.10-5

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b) Dry - Option (i) Only permitted to be used if specified in the relevant State Regulations or Supplementary Regulations as applicable. (ii) MG AZ-Red 1) Front Tyre size must be a. 10 x 4.60 - 5 2) Rear Tyre size must be a. 11 x 7.10 - 5 c) Wet (i) MG WT (White) 1) Front Tyre size must be a. 10 x 4.20-5 2) Rear Tyre size must be a. 11 x 6.00-5 d) From the commencement of the first qualifying session at a Meeting, only the following Tyres are permitted to be used during a Meeting unless otherwise advised in Supplementary Regulations: (i) one (1) set of Dry Tyres (plus one (1) replacement Tyre if permitted in accordance with the Rules); and (ii) one (1) set of Wet Weather Tyres (plus one (1) replacement Wet Weather Tyre if permitted in accordance with the Rules). e) Must be fitted with bead retention.

Social Karting Tyres

a) Dry (i) Vega - VAH (ii) Bridgestone - DR1 YJL, DR10 YLR ROK, YDS (iii) Dunlop - DFM, DFH, SL1A, RS1 (iv) MG - HZ Option (Red/White), AZ-Red, FZ Prime (Yellow) (v) Mojo - D2, D3, D4, D5 b) Wet (i) Vega - W2 (ii) Bridgestone - WER YLP (iii) Dunlop - KT14W13, KT12SLW2 (iv) MG - WT (White) (v) Mojo - W2, W3

General

a) Minimum weight including the Driver, will be specified in State Regulations or the Supplementary

Regulations for a Meeting (i) Minimum weights may be altered during a Meeting to equalise performance. b) Data Logging (i) No Class specific conditions c) Apparel (i) Refer to Technical Rules - Apparel d) Competition Numbers (i) Background: Yellow (ii) Numbers: Black e) Permitted Modifications (i) In accordance with the relevant Homologation