TYPE: 2-Stroke, internal balance shaft
DISPLACEMENT: 125cc
COOLING: Water cooled, external (axle driven) water pump
CYLINDER: Cast Aluminum, iron bore insert with machined ports
EXHAUST: Traditional 2-stroke pipe with adjustable flex length
IGNITION: Digital ignition, electronic rev limiter, magneto powered ignition
CARBURETOR: Tillotson HW27A, integrated fuel pump
FUEL: 98 to 112 octane leaded race fuel
PRE-MIX OIL: Motul 2T (recommended)
MAINTENANCE INTERVAL: top end at 4-6 hours, bottom end at 15-20 hours
CLASSES:
Junior (age 12-15) with restricted exhaust header (26, 29, or 31mm)
Senior (age 14+)