Product Specifications: Unit Type: Starter; Voltage: 12V; Rotation: CCW; Teeth: 9; Starter Type: PMDD OEM Part Number: Replacement for ARROWHEAD: SMU0263; Replacement for LESTER: 18759; Replacement for YAMAHA: 4WV-81800-00-00, 4WV-81890-00-00, 5KM-81890-00-00 Fitment: Compatible with Yamaha Grizzly 400 YFM4FG 2007-2008, Yamaha Grizzly 450 4WD YFM450FG 2007-2010, Yamaha Grizzly 450 4WD Hunter YFM450FGH 2007-2010, Yamaha Grizzly 600 YFM600FWA 1998-2001, Yamaha Grizzly 660 YFM660F 2002-2008, Yamaha Rhino 450 YXR450 2006-2009, Yamaha Rhino 450 YXR450F 2007-2009, Yamaha Rhino 660 YXR660F 2004-2007, Yamaha Kodiak 400 2WD YFM400A 2003-2004, Yamaha Kodiak 400 4WD YFM400FA 2003-2006, Yamaha Kodiak 450 4x4 YFM450FA 2003-2006, Yamaha Kodiak 450 YFM45 2018-2024 Hunter EPS SE 4WD, Yamaha Wolverine 450 4x4 YFM450FX 2006-2010 Durable material: The starter motor is made of wear-resistant alloy gear and the shell is rustproof and anticorrosive. It is not easy to wear and tear in daily riding and bumpy road conditions, and can effectively resist external impact, avoid shell deformation or internal parts damage, and the starter still maintains stable operation Stable performance: The starter has strong power and low energy consunmption. It maintains a stable power output even in complex terrains, ensuring smooth starts without any lag, enhancing the driving experience and making outdoor rides more enjoyable and reassuring