Black Friday! Up to 60% Off Top Brands. Shop Early Deals

Get $15 Cash, Free 2 Day Shipping & More Perks With RPM*

Gifts for Every Rider on Your List (Yes, Even You). Shop Now

JavaScript Disabled

To get the full Cycle Gear experience, enable JavaScript in your browser settings and refresh this page.

This product is vehicle specific. Click here to select your vehicle to ensure fitment.

We're sorry but all Color options for this product are currently out of stock.

You can be notified upon their arrival by choosing the Color option you are interested in and then entering your email in the box below.

Looking for something else?

Out of Stock

Polisport

Polisport Chain Guide Block Yamaha / Fantic YZ125 / YZ250 / YZ250F / FX / YZ450F / FX / WR250F / WR450F 2007-2026

Write a Review

Black

Fullscreen Zoom

View Images (2)

$16^.⁴⁹

$22.95

Save $6.46 28%

Color: Black

Blemished/Refurbished

This item is available as a Blem/Refurb. These are items that cannot be sold as "New" merchandise and are limited to stock on hand. See the product details for a description of the product's condition.

Members get up to $15.82 in total value. Join Now

Ships Free to Cycle Gear Stores!

The Cycle Gear Difference

Free Shipping Over $49^.⁹⁹
30-Day Best Price Guaranteed
No-Hassle Returns View Details

Polisport Chain Guide Block Yamaha YZ125 / YZ250 / YZ250F / YZ250FX / YZ450F / YZ250FX / WR250F / WR450F

Polisport chain chain guide blocks are direct replacements for OEM chain guides, offering a higher level of abrasion resistance compared to stock guides. Don't let your expensive chain wear out prematurely due to a worn out chain guide block.

Features:

Injection molded thermoplastic polyurethane construction
Exact replica of OEM slider shape, but stronger
Fits OEM chain guide housing

Note: Does not include outer chain guide cage.

Read More

This product is vehicle specific. Click here to select your vehicle to ensure fitment.

Fantic: XE 300 2024, 2025

Yamaha: WR250F 2007-2026; WR450F 2007-2023; YZ125 2008-2026; YZ125 50th Anniversary Edition 2024; YZ125 70th Anniversary Edition 2026; YZ125 Monster Energy Race Edition 2022, 2023, 2024, 2025; YZ125X 2020-2026; YZ250 2008-2026; YZ250 50th Anniversary Edition 2024; YZ250 70th Anniversary Edition 2026; YZ250F 2007-2026; YZ250F 50th Anniversary Edition 2024; YZ250F 70th Anniversary Edition 2026; YZ250F Monster Energy Race Edition 2021, 2022, 2023, 2024, 2025; YZ250FX 2015-2026; YZ250 Monster Energy Race Edition 2023, 2024, 2025; YZ250X 2016-2026; YZ450F 2007-2022; YZ450F Monster Energy Race Edition 2021, 2022; YZ450FX 2016-2023

This item is also available for 274 other models:

Beta: 125 RR 2020-2025; 125 RR Race 2025; 125 RR Race Edition 2020-2025; 125 RR X-Pro 2025; 200 RR 2020-2025; 200 RR Race 2025; 200 RR Race Edition 2021-2025; 200 RR X-Pro 2025; 250 RR 2020-2025; 250 RR Race 2025; 250 RR Race Edition 2020-2025; 250 RR X-Pro 2025; 300 RR 2020-2025; 300 RR Race 2025; 300 RR Race Edition 2020-2025; 300 RR X-Pro 2025; 300 RX 2021-2025; 350 EFI RR Race Edition 2020; 350 RR 2020-2025; 350 RR Race 2025; 350 RR Race Edition 2021-2025; 350 RR-S 2020-2024; 350 RR X-Pro 2025; 390 RR 2023-2025; 390 RR Race 2025; 390 RR Race Edition 2020-2025; 390 RR-S 2020-2024; 390 RR X-Pro 2025; 430 RR 2023-2025; 430 RR Race 2025; 430 RR Race Edition 2020-2025; 430 RR-S 2020-2024; 430 RR X-Pro 2025; 450 RX 2024-2025; 480 RR 2023-2025; 480 RR Race 2025; 480 RR Race Edition 2020-2025; 480 RR X-Pro 2025; 500 RR-S 2020-2024

Gas Gas: EC 200 2019; EC 250 2024-2025; EC 250 2018-2020; EC 250 R 2017-2018; EC 300 2024-2025; EC 300 2018-2020; EC 300R 2017; EC 450F 2024-2025; ECRanger 200 2019; ECRanger 300 2019; EC Six Days Chile 250 2019; EC Six Days Chile 300 2019; ES 350 2024-2025; ES 500 2024-2025; EW 500F 2024; EX 250 2024-2025; EX 250F 2024-2025; EX 300 2024-2025; EX 350F 2024-2025; EX 450F 2024-2025; MC 125 2024-2025; MC 150 2025; MC 250 2024-2025; MC 250F 2024-2025; MC 300 2025; MC 350F 2024-2025; MC 450F 2024-2025; MC 450F Factory Edition 2023

Honda: CR125R 2005-2007; CR125R 2000-2004; CR250R 2005-2007; CR250R 2000-2004; CRF250R 2005-2006; CRF250R 2007-2010; CRF250R 2011-2021; CRF250RX 2019-2021; CRF450R 2005-2006; CRF450R 2002-2004; CRF450R 2007-2010; CRF450R 2011-2020; CRF450R-S 2022; CRF450R Works Edition 2019-2020; CRF450RX 2017-2020

Husqvarna: FC250 2023-2025; FC250 2014-2022; FC250 Rockstar Edition 2022-2024; FC350 2023-2025; FC350 2014-2022; FC450 2023-2025; FC450 2014-2022; FC450 Rockstar Edition 2022-2024; FC450 Rockstar Edition 2018-2021; FE250 2014-2020; FE350 2014-2022; FE350s 2024-2025; FE350s 2014-2023; FE350w 2024; FE450 2024-2025; FE450 2014-2023; FE501 2014-2022; FE501s 2024-2025; FE501s 2014-2023; FE501w 2024; FS450 2024; FX350 2023-2025; FX350 2017-2022; FX450 2023-2024; FX450 2017-2022; TC125 2023-2025; TC125 2014-2022; TC150 2025; TC250 2023-2025; TC250 2014-2022; TC300 2025; TE125 2017; TE150 2024-2025; TE150 2017-2023; TE150i 2020-2023; TE250 2024-2025; TE250 2017-2023; TE250i 2018-2023; TE300 2024-2025; TE300 2017-2023; TE300i 2019-2023; TE300i Rockstar Edition 2021-2022; TE300 Pro 2025; TX300 2023-2025; TX300 2017-2019; TX300i 2023; TX300i 2020-2022

KTM: 125 EXC 1998-2005; 125 SX 1998-2006; 125 SX 2023-2025; 125 SX 2007-2022; 125 XC 2023-2025; 150 SX 2025; 150 SX 2009-2022; 150 XC 2009-2015; 150 XC-W 2024-2025; 150 XC-W 2017-2023; 150 XC-W TPI 2020-2023; 200 EXC 1998-2007; 200 EXC 2008; 200 SX 1998-2004; 200 XC 2006-2007; 200 XC 2008-2015; 250 EXC 1994-2007; 250 EXC 2008; 250 EXC-F 2013-2019; 250 SX 1994-2006; 250 SX 2023-2025; 250 SX-F 2005-2006; 250 SX-F 2023-2025; 250 SX-F 2007-2022; 250 SX-F Adamo Edition 2025; 250 SX-F Factory Edition 2022-2024; 250 SX-F Factory Edition 2015-2021; 250 XC 2023-2025; 250 XC 2008-2019; 250 XC-F 2005-2006; 250 XC-F 2023-2025; 250 XC-F 2008-2022; 250 XCF-W 2007; 250 XCF-W 2008-2017; 250 XC TPI 2023; 250 XC TPI 2020-2022; 250 XC-W 2006; 250 XC-W 2024-2025; 250 XC-W 2008-2023; 250 XC-W TPI 2018-2023; 300 EXC 1994-2005; 300 SX 2023-2025; 300 XC 2006-2007; 300 XC 2023-2025; 300 XC 2008-2019; 300 XC TPI 2023; 300 XC TPI 2020-2022; 300 XC-W 2006; 300 XC-W 2024-2025; 300 XC-W 2008-2023; 300 XC-W Erzbergrodeo 2023; 300 XC-W HARDENDURO 2024-2025; 300 XC-W Six Days 2017-2018; 300 XC-W TPI 2018-2023; 300 XC-W TPI Erzbergrodeo 2022-2023; 300 XC-W TPI Six Days 2019-2020; 350 EXC-F 2024-2025; 350 EXC-F 2012-2023; 350 SX-F 2023-2025; 350 SX-F 2011-2022; 350 XC-F 2023-2025; 350 XC-F 2011-2022; 350 XC-F Factory Edition 2023-2024; 350 XCF-W 2012-2022; 350 XW-F 2024; 450 EXC 2003-2007; 450 EXC 2008-2011; 450 EXC-F Six Days 2017-2019; 450 SX-F 2023-2025; 450 SX-F 2007-2022; 450 SX-F Factory Edition 2022-2024; 450 SX-F Factory Edition 2012-2021; 450 XC-F 2023-2025; 450 XC-F 2008-2022; 450 XCF-W 2024-2025; 450 XCF-W 2023; 500 EXC 2012-2017; 500 EXC-F 2024-2025; 500 EXC-F 2017-2023; 500 EXC-F Six Days 2021-2023; 500 XCF-W 2012-2022; 500 XW-F 2024; 505 SX-F 2007-2008; 85 SX (17/14) 2007-2014; 85 SX (17/14) 2015-2017; 85 SX (19/16) 2007-2014; 85 SX (19/16) 2015-2016; 85 XC 2007-2014; 85 XC 2015

Kawasaki: KX125 2003-2005; KX250 2003-2007; KX250 2019-2024; KX250F 2004-2005; KX250F 2006-2008; KX250F 2009-2020; KX250X 2021-2024; KX450 2019-2023; KX450F 2006-2008; KX450F 2009-2020; KX450SR 2022-2026; KX450X 2021-2023

Sherco: 125 SC 2019; 125 SE Factory 2018-2023; 125 SE-R 2017-2021; 250 SC 2019; 250 SCF 2019; 250 SE Factory 2018-2025; 250 SEF Factory 2021-2025; 250 SEF-R 2014-2019; 250 SEF-R Factory 2016-2021; 250 SEF-R Six Days 2017-2018; 250 SE-R 2013-2020; 250 SE Racing 2021; 250 SE-R Factory 2016-2017; 300 SC 2019; 300 SCF 2019; 300 SE Factory 2021-2025; 300 SEF Factory 2021-2025; 300 SEF-R 2014-2021; 300 SEF Racing 2021; 300 SEF-R Factory 2016-2021; 300 SE-R 2014-2020; 300 SE Racing 2021; 300 SE-R Factory 2016-2021; 450 SCF 2019; 450 SEF Factory 2021-2025; 450 SEF-R 2015-2019; 450 SEF-R Factory 2016-2021; 500 SCF 2019; 500 SEF Factory 2021-2025

Suzuki: RM125 2001-2006; RM250 2001-2006; RMZ250 2004-2006; RMZ250 2007-2011; RMZ250 2012-2018; RMZ450 2005-2017

Yamaha: WR250F 2003-2006; YZ125 2005-2007; YZ125 2003-2004; YZ250 2005-2007; YZ250 2003-2004; YZ250F 2005-2006; YZ250F 2003-2004; YZ450F 2005-2006; YZ450F 2003-2004

Product Style	Item #	Store SKU	Manufacturer Product #	Availability
Product Style Black	Item # 10133007	Store SKU	Manufacturer Product # 8433400001	Availability Out of Stock
Product Style Blue	Item # 10133008	Store SKU	Manufacturer Product # 8433400002	Availability Out of Stock

$39.99/yr.

Spend Less. Ride More.

5% RPM Cash Back*
10% Off Over 70 Brands
$15 in RPM Cash When You Join
Free 2-Day Shipping & Free Returns*
And more!

Become a member today! Learn More

By purchasing and enrolling in Riders Preferred Membership, you agree to the Program Terms and Conditions. *Some exclusions apply: 10% RPM discount applies on full price and sale price Exclusive Brands. 10% RPM discount applies on additional select brands at full price. Exclusions apply. RPM free 2-day shipping applies on qualifying items, contiguous U.S. only. Not available for AK, HI, or U.S. Territories. View shipping policies. RPM free returns apply on qualifying items and are processed on standard return timeline, contiguous U.S. only. View return policy.