Battery condition is extremely important. No voltage regulator can work correctly with a bad or weak battery. Always fully charge your battery before performing any charging system tests or replacing parts. If there is any doubt, have the battery load tested or replaced.
PLEASE NOTE There is two possible regulators for the model Ski-Doo Freestyle 300 & 550 cc, depending if your vehicule is a crank start or electric start. COMPARE YOUR OEM BEFORE BUYING : Crank start (OEM# 515176188) : RM30373 Electric start (OEM# 515176189) : RM30914 This one is for models with crank start
Aftermarket replacement part for:
Ski-doo Expedition 550 Crank Start Carb F/C -- 2005
Ski-doo Expedition 550 Sport Manual start Carb F/C -- 2006
Ski-doo Freestyle 300 Manual Start Carb F/C -- 2007
Ski-doo Freestyle 550 Crank Start Carb F/C -- 2007-2008
Ski-doo Freestyle 550 Park Crank Start Carb F/C -- 2007
Ski-doo MX Z 380 Carb F/C -- 2005-2006
Ski-doo MX Z 550 Carb F/C -- 2005-2006
Ski-doo MX ZX 550 Carb F/C -- 2006
Ski-doo MX ZX 550 Crank Start Carb F/C -- 2007, 2009
Ski-doo Skandic 300 Tundra Crank Start Carb F/C -- 2006-2008
Ski-doo Summit 550 Carb F/C -- 2006-2009