Mini ROK Engine

Classes: Micro ROK (with restrictions) & Mini ROK

The Mini ROK engine is aimed at the younger generation of kart drivers, and is used for the Mini ROK class and Micro ROK class (with restrictions, see below).Thanks to some of its key features it is safe and easy to use, so that young drivers can become familiar with the kart without tension.

The engine has the following features: Single-cylinder 2 stroke engine, displacement 60cc, piston port. Air-cooled, equipped with centrifugal dry-clutch and integrated electrical starter.

The engine comes in two configurations, bare engine or in a complete kit with Dell’Orto PHBG Ø 18mm carburettor, Dell’Orto fuel pump, Vortex intake silencer and exhaust with integrated exhaust silencer, starter complete with battery and battery support.

Mini Rok engine is aimed at the younger generation and for more than a decade has spread worldwide, therefore more and more federations have chosen it as national entry level category.

Micro ROK engine restrictions: spec gear (82); spec jet (95); restricted exhaust header. See the ROK Cup USA Rulebook for complete rules and regulations concerning engines for a particular class.

Specifications

• Single-cylinder 2 stroke engine
• Displacement 60 cc
• Piston Port
• Air-cooled system
• Integrated electrical starter
• Centrifugal dry-clutch
• Mixture-lubricated
• Cast iron made cylinder CNC worked
• 2 transfer ducts intake
• Oval exhaust without rib
• Piston ring L type

• Radial bearing C4
• Bore and stroke 42x43mm
• 10 HP at 11.000 Rpm
• Max torque 6.5 Nm at 9.000 Rpm
• Max 15.500 Rpm
• Selettra analogic ignition
• Dell’Orto PHBG Ø 18mm carburettor
• Vortex intake silencer
• Dell’Orto Fuel pump
• Mini Rok exhaust with integrated exhaust silencer