(1) 434840 Rotax 125 MAX EVO Starter Ring Gear 70T

(1) 434840 Rotax 125 MAX EVO Starter Ring Gear 70TThe Rotax 125 MAX EVO Starter Ring Gear 70T (R. 434840) is the large OEM drive gear that mounts to the crankshaft and interfaces with the centrifugal clutch assembly on all Rotax 125 MAX EVO engines. Also known as the starter drive gear or starting ring gear, this 70 tooth gear transmits power from the clutch to the drivetrain and also accepts the teeth of the electric starter reduction gear during engine start. It is one of the highest wear

Quantity: 1 ring per order

A cracked or loose carburetor socket is one of the most common sources of air leaks on a Rotax 125 MAX EVO

Still running a MyChron 5S or 2T

filtered air to the Dell'Orto VHSB 34 XS carburetor

KG 509 Fairing Bottom Replacement Panel — the lower replacement section that attaches to the bottom of the KG 509 fairing panel

this air-cooled engine features an electric starter

Use the size chart to select the correct seat for your body dimensions and chassis setup

repeatable pressure calls

Electrical switches on racing engines must withstand extreme vibration

The design was validated through extensive CFD simulation and real-world pitot tube testing

440 (Part #555733) is a color-coded throttle slide for the Briggs 206 kart racing engine carburetor

causing erratic idle and inconsistent throttle response