YAMAHA YZ250 YZ450F Sprocket Set / Chain Combo Kit Gold Motocross Black 49/14T

Listed on eBay by flomotorsports · 99.8% positive

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$248

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Express $381Standard $266~2.5 kg

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About this item

This is a full drivetrain refresh for your YZ250 or YZ450F — a matched 49/14T sprocket set paired with a 120-link 520 chain in a gold finish. The rear sprocket is CNC-machined 7075 T6 aluminum with a hard anodized coating, while the front is steel for durability where it wears fastest. Both sprockets have self-cleaning mud grooves, and the non-O-ring chain is rated for bikes up to 450cc with roughly 8000 lbs of tensile strength.

Complete kit for Yamaha YZ250 & YZ450F (1999-2024): 49T rear sprocket, 14T front sprocket, and 520 chain with 120 links
Rear sprocket CNC-machined from hardened 7075 T6 aluminum, hard anodized gold finish with self-cleaning mud grooves
Front countershaft sprocket made from Nickel Chrome Molybdenum steel, heat treated and precision CNC cut for a tight fit
Non-O-ring 520 chain rated to about 8000 lbs tensile strength, suitable for bikes up to 450cc, comes with a clip-style master link
Lightweight setup built to reduce unsprung weight and hold up to motocross abuse
OEM part B2W-W001A-20-00, manufacturer part FLO783, made in USA

Specifications

Type: Chain & Sprocket Set
Brand: Flo Motorsports
Color: Black
Material: Aluminum
Warranty: Yes
Chain Size: 520
Chain Links: 120
Compatible Make: Yamaha
Compatible Year: 2024, 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999
Country of Origin: United States
OE/OEM Part Number: B2W-W001A-20-00
Rear Sprocket Teeth: 49
Front Sprocket Teeth: 14
Placement on Vehicle: Rear Wheel, Chain, Transmission
Manufacturer Part Number: FLO783