30HP Super Standard

Super Standard – Class defined with specific rules to allow boats to start progressing from a standard class towards the higher classes

9.8       30HP  Super Standard


  1. No factory parts can be removed except:
  • Shallow water drive set up
  • Original fuel fitting from tank to factory fuel filter
  1. Original water tell tail may be redirected from factory outlet position
  2. Engine MUST retain all other original engine manufacturer’s specifications and parts
  3. Original Engine’s Carburettor, Reeds, Pistons, Ports, Head, Exhaust, Flywheel, Electrics, Choke Butterflies, Air Boxes, Gear Box MUST BE TRUE to original manufacturers specifications for make and model and remain fitted to the engine (Exceptions:  Rev Limiter may be disconnected or bypassed)
  4. Yamaha 30D outboards may use ‘pre 2009’ carburettors on 2009 to current motors.
  5. Yamaha 30D outboards may use .99 jets or larger in either carburettors.
  6. Jets cannot be made smaller in any motor.
  7. Must not be able to start in gear.

Engine Timing

  • This method is to be used for all Standard and Super Standard classes.
  • Timing must be set at +/- 1 deg. Of factory spec for make and model after ensuring top dead centre indicator is in correct position using method used in photos, eg 30 Yamaha 25 deg. +/- 1 deg.

Other models as per manufactures spec plus or minus 1 degree

  1. All other makes must be within plus or minus 1 degree of manufactures specifications
  2. 99 or larger jets must be used. R.D.C. has a measured spigot (complies with Yamaha specs for minimum .99 jet) which will be used to check jet size.
  3. !! NO polishing of ports or die grinder blending of engine block casing or other parts permitted.
  4. (Exception): Bores can be machined or honed for repair purposes only:-
  5. Head – No machining of heads allowed
  6. Pistons – oversize limit OPEN but MUST BE Genuine engine manufacturer’s parts (ie: NO Wiseco or other aftermarket brand)
  7. Engines can be jetted larger for tuning purposes
  8. NO nose cones permitted
  9. NO stabiliser fins permitted or cavitation plate
  10. Bracing swivel bracket and tiller arm is permitted for safety
  11. Standard manufacturer’s gaskets only
  12. Must not be able to start in gear.


  • MUST be a common mass produced Australian ‘dinghy’ manufacturer brand
  • Construction material open
  • Can be strengthened for safety
  • Can be modified
  • Custom seat(s) permitted front seat may be removed
  • Sufficient alternative floatation must be fitted to hull
  • Can be fitted with a central mounted keel
  • Engine trimming devices may be fitted

Cavitation Plate (all classes except 300cc)

Cavitation plate height  for all classes except 300cc is measured by placing a 1200mm straight edge 600mm forward of transom (as in picture).

Cavitation plate must be lower than the top of the straight edge, on at least one side of the cavitation plate, when the cavitation plate is parallel with the hull.

This measurement must be correct when the trimming device fitted is being used.


  • Any through hub exhaust propeller may be used open to all and any modification.


  • Service Station Pump fuel only i.e. Premium or Unleaded (AVGAS not permitted and or additives)
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