Yamaha YZ125X Drivetrain & Transmission Parts
Drive Chains- Sprockets
- Clutches
- Transmissions & Components
- Variators
- Axles & Accessories
- Chain Guide, Protection & Sliders
- Transmission Covers
- Chain & Belt Adjusters
- Transmission Gaskets, Seals & Bushings
- Drivetrain & Transmission Bearings
- Drivetrain & Transmission Mounts
- Transmission Fluids & Oils
- Gear Oils
- Drivetrain & Transmission Tools
- Renthal® - R4 SRS Road Chain (C521)Universal R4 SRS Road Chain (C521) by Renthal®. Renthal R4 Chain: Ultimate durability and performance. Renthal's R4 SRS Road chain is a specially developed sealed ring chain using Renthal's Self Regulating Seal (SRS) technology to...Designed to provide unrivaled value and maximum reliabilityExpertly crafted from the highest grade materials$203.36
- Renthal® - R4 SRS Road Chain (C528)Universal R4 SRS Road Chain (C528) by Renthal®. Renthal R4 Chain: Ultimate durability and performance. Renthal's R4 SRS Road chain is a specially developed sealed ring chain using Renthal's Self Regulating Seal (SRS) technology to...Designed to provide unrivaled value and maximum reliabilityExpertly crafted from the highest grade materials$234.86
- Renthal® - R4 SRS Road Rivet Chain Link (C329)Universal R4 SRS Road Rivet Chain Link (C329) by Renthal®. Chain Pitch: 520. Renthal R4 Chain: Ultimate durability and performance. Renthal's R4 SRS Road chain is a specially developed sealed ring chain using Renthal's Self Regulating...Every R4 SRS chain comes pre-stretched for enhanced performanceEach chain includes masterlink and a pair of latex gloves for mess-free installation$7.61
- Renthal® - R4 SRS Road Rivet Chain Link (C518)Universal R4 SRS Road Rivet Chain Link by Renthal®. Renthal R4 Chain: Ultimate durability and performance. Renthal's R4 SRS Road chain is a specially developed sealed ring chain using Renthal's Self Regulating Seal (SRS) technology to...Designed to provide unrivaled value and maximum reliabilityExpertly crafted from the highest grade materials$10.76
- Renthal® - RR4 SRS Roadrace Chain (C401)Universal RR4 SRS Roadrace Chain (C401) by Renthal®. Length: 130 Links. Finish: Gold. Chain Pitch: 520. Renthal's RR4 highly specialized lightweight 520 sealed ring chain developed exclusively for Superbike racing applications where a...SRS ring technology enhances chain flexibility and offers smoother operation than standard o-ring chainsChain features high alloy steel plates and pins, solid bushings and rollers, shot peened side plates for added strength and gold side plates$242.96
- Renthal® - RR4 SRS Roadrace Chain (C377)Universal RR4 SRS Roadrace Chain (C377) by Renthal®. Length: 120 Links. Finish: Gold. Chain Pitch: 520. Renthal's RR4 highly specialized lightweight 520 sealed ring chain developed exclusively for Superbike racing applications where a...SRS ring technology enhances chain flexibility and offers smoother operation than standard o-ring chainsChain features high alloy steel plates and pins, solid bushings and rollers, shot peened side plates for added strength and gold side plates$227.66
- OTC® - Chain Master Link Clip Tool (4745)Universal Chain Master Link Clip Tool by OTC®. Chain Master Link Clip Tool by OTC®. Designed specifically for roller style chains with specialized tips to easily remove and install master link clips. Includes comfort grip handles.Designed to help to get your job done rightManufactured utilizing the highest quality materials$28.52
- ProTaper® - Gold Series Chain Replacement Master Links (PT415MX-CL)Universal Gold Series Chain Replacement Master Links by ProTaper®. 415MX Master Link. Replacement master links are available for all ProTaper Gold Series Chains. Lightweight, ultra high-strength chromoly construction This top-grade...Premium Gold SeriesDesigned for 50cc applications$2.06
- ProTaper® - Gold Series MX Chains (023101)Universal Gold Series MX Chains (023101) by ProTaper®. Size: PT 420MX 134L. Designed, tested, and produced to the highest standards, ProTaper Gold Series Chains are purpose-built for today's demanding 4-stroke motorcycles and ATVs....Premium Gold Series motocross chainsLightweight, ultra high-strength chromoly construction$35.01
- ProTaper® - Gold Series MX Chains (PT415MX-120)Universal Gold Series MX Chains (PT415MX-120) by ProTaper®. Size: PT 415MX 120L. Designed, tested, and produced to the highest standards, ProTaper Gold Series Chains are purpose-built for today's demanding 4-stroke motorcycles and ATVs....Premium Gold Series motocross chainsLightweight, ultra high-strength chromoly construction$36.41
- ProTaper® - Gold Series XRC Chains (023107)Universal Gold Series XRC Chains (023107) by ProTaper®. Size: PT 520XRC 120L. Designed, tested, and produced to the highest standards, ProTaper Gold Series Chains are purpose-built for today's demanding 4-stroke motorcycles and ATVs....Premium Gold Series motocross chainsLightweight, ultra high-strength chromoly construction$97.28
- ProTaper® - Pro Series 520MX Forged Chain Replacement Master Link (PT520MFZ4-CL)Universal Pro Series 520MX Forged Chain Replacement Master Link by ProTaper®. Replacement master links are available for all ProTaper Gold Series Chains. Utilizing a newly developed manufacturing technique never-before seen in the...Slim outer plates with cold-forged pin collars for high tensile strength (8,440 lbs.) and increased durabilityChromium carbide pins (520MX) for reduced friction and improved impact load absorption$3.04
- ProTaper® - Pro Series Forged Chain (PT520MFZ4-120)Universal Pro Series Forged Chain by ProTaper®. 520MX. Using a newly developed manufacturing technique never-before seen in the off-road market, ProTaper Pro Series chains seamlessly integrate innovative cold-forged pin collars into the...Slim outer plates with cold-forged pin collars for high tensile strength (8,440 lbs.) and increased durabilityChromium carbide pins (520MX) for reduced friction and improved impact load absorption$112.44
- ProTaper® - Pro Series Forged Chain Replacement O-Ring Master Link (PT520FWR-CL)Universal Pro Series Forged Chain Replacement O-Ring Master Link by ProTaper®. 520MX. Replacement master links are available for all ProTaper Gold Series Chains. Utilizing a newly developed manufacturing technique never-before seen in...Slim outer plates with cold-forged pin collars for high tensile strength (8,440 lbs.) and increased durabilityChromium carbide pins (520MX) for reduced friction and improved impact load absorption$8.17
- ProTaper® - Pro Series O-Ring Forged Chain (PT520FWR-120)Universal Pro Series O-Ring Forged Chain by ProTaper®. 520MX. Using a newly developed manufacturing technique never-before seen in the off-road market, ProTaper Pro Series chains seamlessly integrate innovative cold-forged pin collars...Slim outer plates with cold-forged pin collars for high tensile strength (8,440 lbs.) and increased durabilityChromium carbide pins (520MX) for reduced friction and improved impact load absorption$132.85
- ProTaper® - Replacement Gold Master Links (023108)Universal Replacement Gold Master Links (023108) by ProTaper®. Size: 520XRC. Designed, tested, and produced to the highest standards, ProTaper Gold Series Chains are purpose-built for today's demanding 4-stroke motorcycles and ATVs....Premium gold series motocross chainsLightweight, ultra high strength chromoly construction$5.95
- BikeMaster® - Sprocket Bolts (151967)Universal Sprocket Bolts by BikeMaster®. Quantity: 6 Pieces. Size: 8 x 25mm. Steel sprocket bolts, includes 13 mm nylock nuts. Fits most rear sprockets. This top-grade product is expertly made in compliance with stringent industry...Designed to fulfill the needs of motorcyclistsState-of-the-art design and peerless quality$16.19
- BikeMaster® - Sprocket Bolts (151968)Universal Sprocket Bolts by BikeMaster®. Quantity: 6 Pieces. Size: 8 x 28mm. Steel sprocket bolts, includes 13 mm nylock nuts. Fits most rear sprockets. This top-grade product is expertly made in compliance with stringent industry...Designed to fulfill the needs of motorcyclistsState-of-the-art design and peerless quality$16.19
- ProTaper® - Steel MX Sprocket Bolt Kit (11-097)Universal Steel MX Sprocket Bolt Kit by ProTaper®. Includes sprocket bolts, washers, and lock nuts. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and...Pack of six stainless steel sprocket bolts6 mm allen head bolts 34 mm long$14.95
- Lucas Oil® - SAE 75W-90 Synthetic Transmission and Differential Lube (10048)Universal SAE 75W-90 Synthetic Transmission and Differential Lube (10048) by Lucas Oil®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level...Crafted to deliver unbeatable levels of qualityHigh grade materials for exceptional performance$50.56
- BikeMaster® - Terminal Tool (152283)Universal Terminal Tool by BikeMaster®. Every toolbox should have one. Compact design for convenient storage, the Terminal Tool allows easy wire removal from terminal blocks and connectors. It prevents damage to wires and terminal...Designed to fulfill the needs of motorcyclistsState-of-the-art design and peerless quality$19.26
- afe® - Pro Guard D2 Synthetic Gear Oil (90-20101)Universal Pro Guard D2 Synthetic Gear Oil (90-20101) by afe®. aFe Power's Pro Guard D2 synthetic 75W-90 limited slip oil is competition proven and utilizes next generation synthetic oil technology to provide consistent limited slip...Fully SyntheticExceeds API GL-5 Specs$24.00
- afe® - Pro Guard D2 Synthetic Gear Oil (90-20001)Universal Pro Guard D2 Synthetic Gear Oil (90-20001) by afe®. aFe Power's Pro Guard D2 synthetic 75W-90 limited slip oil is competition proven and utilizes next generation synthetic oil technology to provide consistent limited slip...Fully SyntheticExceeds API GL-5 Specs$24.00
- BikeMaster® - Center Punch Tool (152179)Universal Center Punch Tool by BikeMaster®. A must-have tool for the shop or garage. With an ergonomic control handle, the Center Punch Tool centers your drill bit to help prevent "walking" across the face of your project. It is...Designed to fulfill the needs of motorcyclistsState-of-the-art design and peerless quality$18.22
- BikeMaster® - Honing Set (152167)Universal Honing Set by BikeMaster®. Controlled pressure for smoother, more precise honing. This Honing Set makes controlled pressure for smoother, more precise honing. The set comes with three sizes of tips and three sizes of honing...Designed to fulfill the needs of motorcyclistsState-of-the-art design and peerless quality$52.42
- BikeMaster® - Metric Thread Pitch Gauges (152515)Universal Metric Thread Pitch Gauges by BikeMaster®. BikeMaster Thread Pitch Gauges allow you to quickly identify what size replacement bolt you need by accurately measuring internal and external thread pitches. SAE Screw/Thread Pitch...Designed to fulfill the needs of motorcyclistsState-of-the-art design and peerless quality$12.34
- BikeMaster® - Mini Hook and Pick Set (151534)Universal Mini Hook and Pick Set by BikeMaster®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Designed to fulfill the needs of motorcyclistsState-of-the-art design and peerless quality$12.35
- BikeMaster® - Multipurpose Work Cart (152189)Universal Multipurpose Work Cart by BikeMaster®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Ideal for any garage or shopThree levels for multiple project organization. Keeps your parts, hardware, and tools handy$116.76
- BikeMaster® - Palm Ratchet Set (152220)Universal Palm Ratchet Set by BikeMaster®. Speed up assembly and disassembly on many of your projects. The BikeMaster® Palm Ratchet Set is made of high-quality chrome vanadium finish for a long life and features a knurled no-slip grip....Designed to fulfill the needs of motorcyclistsState-of-the-art design and peerless quality$28.26
- BikeMaster® - Pry Bar Kit (151798)Universal Pry Bar Kit by BikeMaster®. A great addition to your tool box. Manufactured from tempered-tool steel with high-impact handles, this kit offers you four sizes that can be used in the shop and around the house.Designed to fulfill the needs of motorcyclistsState-of-the-art design and peerless quality$41.72
