Operator`s Manual RM1
Seite/page 74/132 ROTAX KART RM1 Ausgabe/Edition 01/2006
1.2. Engine
1.2.1. Design of the engine
• 125 cm
3
single cylinder-, 2-stroke engine,
reed-valve controlled intake
• manually shiftable 2-speed gearbox
• centrifugal clutch in oil bath
• mechanical overload clutch on clutch drum
• integrated rear axle support
• direct drive on rear axle, with
overload clutch
• liquid cooled, with integrated
water pump
• integrated thermostat
• mass balancing by balance gear
• digital battery ignition unit with
r.p.m. limiter
• electronic ignition cut-off (when shifting
into 2
nd
gear)
• electronic reverse gear with r.p.m. limiter
• integrated electric starter
• pneumatically controlled exhaust valve
• pneumatically controlled fuel pump
• Dell’Orto VHSB 34 slide carburetor
• intake silencer with integrated air filter
• exhaust pipe with exhaust silencer
Attention: The performance characteristics of this engine are not comparable with the FR125
MAX engine. Therefore please adhere to the hints in this Manual and do not act as
per your or others’ experiences with the FR125 MAX engine. Wrong adjustments
may cause engine damage.