New 600 domestic twin based on 440 crankcase deliver an approximate 6% increase in peak power. This 9-lb lighter engine has: Mikuni TM 38 flatslide carbs. Polaris Variable Exhaust System; digital CDI with Throttle Position Sensors (TPS); fuel switch selector with light in tach; thermostat and bypass system; quiet exhaust system. Engine is electric start capable and provides improved fuel economy, particularly at trail speeds. XC-10 IFS has 42.5" ski stance with 10" of travel. Gen II performance seat with integrated side pads. Improved brake pads. Melonite clutch roller pin increases durability and relocated pinion in chaincase reduces noise. High-output halogen headlight bulbs (100/60 watts); lightweight side bumpers; 12-gal. (U.S.) fuel tank. 3" 90° carbides.