Piston Kit Standard Bore Compatible With 2007-2014 Yamaha Grizzly 450 Auto 4X4 Yfm450f 421Cc 84.50Mm

OEM REFERENCE NUMBERS:
• 5ND-11631-00-00 (Yamaha Standard Piston)
• 5ND-11636-00-00 (Yamaha 0.50mm Over Piston)
• 5ND-11638-00-00 (Yamaha 1.00mm Over Piston)

SPECIFICATIONS:
• Product Type: Piston Kit
• Bore Size: Standard Bore (84.50mm)
• Standard Bore: 84.5mm
• Bore x Stroke: 84.5 x 75mm
• Displacement: 421cc
• Engine Type: 4-Stroke SOHC Liquid-Cooled 2-Valve Single Cylinder
• Compression Ratio: 10.0:1
• Cylinder: Ceramic-Composite-Plated Bore
• Fuel System: Mikuni 33mm BSR Carburetor / EFI (2018+)
• Kit Includes: Piston, Rings, Wrist Pin, Circlips

COMPATIBILITY:
• 2003-2006 Yamaha Kodiak 450 4x4 YFM450
• 2006-2010 Yamaha Wolverine 450 4x4 YFM450FX
• 2007-2014 Yamaha Grizzly 450 Auto 4x4 YFM450F
• 2011-2014 Yamaha Grizzly 450 EPS 4x4 YFM450F
• 2018-2024 Yamaha Kodiak 450 EPS YFM450DE
PRODUCT NOTICE:
As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.WARNING - This product may expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
UTILITY ATV — KODIAK 450 (2003-2006):

YAMAHA KODIAK 450:
• Yamaha Kodiak 450 4x4 YFM450FA 421cc SOHC 2-Valve Liquid-Cooled (2003-2006)
• Yamaha Kodiak 450 Auto 4x4 YFM450FA 421cc Ultramatic CVT (2003-2006)

UTILITY ATV — WOLVERINE 450 (2006-2010):

YAMAHA WOLVERINE 450:
• Yamaha Wolverine 450 4x4 YFM450FX 421cc SOHC 2-Valve (2006-2010)
• Yamaha Wolverine 450 Sport 4x4 YFM450FX 421cc (2006-2010)

UTILITY ATV — GRIZZLY 450 (2007-2014):

YAMAHA GRIZZLY 450:
• Yamaha Grizzly 450 Auto 4x4 YFM450FG 421cc SOHC (2007-2010)
• Yamaha Grizzly 450 4x4 YFM450F 421cc SOHC Mikuni 33mm BSR (2011-2014)
• Yamaha Grizzly 450 EPS 4x4 YFM450FP 421cc SOHC (2011-2014)
• Yamaha Grizzly 450 Hunter Edition 4x4 421cc (2007-2014)
• Yamaha Grizzly 450 IRS 4x4 421cc (2007-2014)

UTILITY ATV — KODIAK 450 EPS (2018-2024):

YAMAHA KODIAK 450 (Second Generation):
• Yamaha Kodiak 450 YFM450DE 421cc EFI 4x4 (2018-2024)
• Yamaha Kodiak 450 EPS YFM450DE 421cc EFI (2018-2024)
• Yamaha Kodiak 450 EPS SE YFM450DE 421cc EFI (2019-2024)

ENGINE DETAILS:
• 421cc 4-Stroke SOHC Liquid-Cooled 2-Valve Single Cylinder
• 84.5 x 75mm Bore x Stroke
• 10.0:1 Compression Ratio
• Ceramic-Composite-Plated Cylinder Bore
• Balance Shaft for Vibration Reduction
• Mikuni 33mm BSR Carburetor (2003-2014) / EFI (2018+)
• Ultramatic V-Belt CVT (H/L/R/N/Park)
• Selectable 2WD/4WD with Differential Lock
• Electric Start with Backup Recoil Pull-Start
• Shaft Final Drive

NOTES:
• Same engine platform across Kodiak 450, Wolverine 450, and Grizzly 450
• Verify OEM part number and bore size before ordering