1990 Yamaha YZ125 Drivetrain & Transmission Parts
- Drive Chains
- Sprockets
- Clutches
- Transmissions & Components
- Chain Guide, Protection & Sliders
- Transmission Covers
- Chain & Belt Adjusters
- Clutch Lines
- Transmission Gaskets, Seals & Bushings
- Drivetrain & Transmission Bearings
- Drivetrain & Transmission Mounts
- Chain Lubes & Cleaners
- Transmission Fluids & Oils
- Gear Oils
- Greases
- Drivetrain & Transmission Tools
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Regina Chain®Custom OROY Series Chain Connecting LinkUniversal Custom OROY Series Chain Connecting Link by Regina Chain®. Size: 420. 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...Master rivet type connecting link for the 420 standard non O-ring chainBuilt with a focus on high performance and superior reliability$1.35 - Regina Chain®Custom Off-Road ORT2 Series O-Ring ChainUniversal Custom Off-Road ORT2 Series O-Ring Chain by Regina Chain®. Size: 525. Link Quantity: 100. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and...Characterized by new and better performing round section O-ringsLight and strong$107.72
- Regina Chain®Custom Off-Road ZRD Series Z-Ring ChainUniversal Custom Off-Road ZRD Series Z-Ring Chain by Regina Chain®. Size: 520. Link Quantity: 116. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and...Flexes when assembled, creating a spring effect that guarantees the seal will not diminish over timeThe lubricant trapped between the plates and the lobes of the Z-ring keeps the ring lubricated and increases its life$143.73
- Starting Line®Clutch Sheave Clamp ToolUniversal Clutch Sheave Clamp Tool by Starting Line®. The sheave clamp tool holds the sheave in place when collapsed for changing clutch weights without removing outer cover or clutch from crankshaft. An absolute must for field tuning.Engineered to ensure ultimate strength and maximum safetyMade to give you more confidence while driving$14.20
- Sunstar®Heavy Duty Non-Sealed ChainYamaha YZ125 1990, Heavy Duty Non-Sealed Chain by Sunstar®. This is the Heavy Duty Non-sealed 'standard' roller chain for all off road motorcycles up to 250cc. Providing good all around performance it is strong & durable with a tensile...Designed to deliver undisputed performanceWill provide a proper fit and utmost quality$53.70 - $56.97
- Sunstar®Heavy Duty Non-Sealed Clip MasterlinkYamaha YZ125 1990, Heavy Duty Non-Sealed Clip Masterlink by Sunstar®. Chain Size: 520. 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...Designed to deliver undisputed performanceWill provide a proper fit and utmost quality$4.27
- Sunstar®MXR Works™ Clip MasterlinkYamaha YZ125 1990, MXR Works™ Clip Masterlink by Sunstar®. Chain Size: 520. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will...Designed to deliver undisputed performanceWill provide a proper fit and utmost quality$3.56
- Sunstar®SSR Standard™ Sealed O-Ring ChainYamaha YZ125 1990, SSR Standard™ Sealed O-Ring Chain by Sunstar®. Size: 520. Link Quantity: 120. SSR Standard™ sealed ring (o-ring) chain from Sunstar Sprockets® 'heavy duty' series is one of the most popular chains in Sunstar...Sunstar's o-ring sealed chain uses only the best quality and longest lasting o-ringsLow friction design helps deliver a better power transfer$57.51
- Sunstar®XTG™ 520 Sealed Clip MasterlinkYamaha YZ125 1990, XTG™ 520 Sealed Clip Masterlink by Sunstar®. Chain Size: 520. 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...Designed to deliver undisputed performanceWill provide a proper fit and utmost quality$6.56
- Sunstar®XTG™ Sealed ChainYamaha YZ125 1990, XTG™ Sealed Chain by Sunstar®. Chain Size: 520. Sunstar's 520XTG Race Grade Off road chain is built exclusively for handling all off road conditions thrown it's way- whether in 2 or 4 wheel racing. The 'TripleGuard'...Built exclusively for handling the demands of the toughest of terrain encountered in any off-road or ATV racingFeatures Sunstar's 'TG' sealed ring design (TripleGuard), which has three sealing lips and lubrication pools on each side of the ring (similar to 'xw' shape ring type)$100.38
- Unibear®Sport Bike Style Drive ChainUniversal Sport Bike Style Drive Chain by Unibear®. Enhanced plate strength brings reliability for heavy duties. High tensile strength, non O-Ring chain. Applied advanced heat treatment process, strong resistance to impact. Hi-tech heat...Twice lubricated with Japan-imported grease, matched with O-ring/X-ring seals, improving wear-resistance by 50%; reducing noise, prolonging service life, 30,000 km guaranteedPunched with high-precision straight-sided press with double guide pillars, making flat plate and hole burnishing band reaching 85%$51.08 - $68.12
- Woody's®Twist™ Installation ToolUniversal Twist™ Installation Tool by Woody's®. An installation tool is included in each package of Twist screws. If you're looking for a quality product that will serve you for years to come, look no further.Required to install/uninstall Twist traction screwsFixed depth control for proper installation$19.80
- BikeMaster®Front Sprocket WasherUniversal Front Sprocket Washer by BikeMaster®. Finish: Natural. Meticulously engineered using the highest quality materials and industry leading technology to provide the best replacement sprockets for your motorcycle. BikeMaster®...Designed to fulfill the needs of motorcyclistsState-of-the-art design and peerless quality$7.45
- Fly Racing®Front CS SprocketYamaha YZ125 1990, Front CS Sprocket by Fly Racing®. Material: Steel. 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....Developed to comply with rigorous quality standardsExceptional quality at a budget-friendly price$9.74 - $15.44
- Fly Racing®Rear SprocketYamaha YZ125 1990, Rear Sprocket by Fly Racing®. Material: Aluminum. 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....Developed to comply with rigorous quality standardsExceptional quality at a budget-friendly price$14.70 - $39.92
- Lyndall Brakes®B-52™ SprocketUniversal B-52™ Sprocket by Lyndall Brakes®. Material: Aluminum. 52-Tooth. Color: Black. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high...Expertly crafted from the highest grade materialsWill deliver years of reliable service$225.00
- Mogo®Drive SprocketUniversal Drive Sprocket by Mogo®. Many units are sold with low quality sprockets that wear quickly. Mogo has the solution. Replace your sprocket with high quality sprockets before your old sprocket causes damage to your unit.The highest grade materials and the latest technologiesPrecise engineering ensures second to none quality and lasting value$15.29 - $18.89
- Motion Pro®Sprocket Bolt and Nut Fastening KitUniversal Sprocket Bolt and Nut Fastening Kit by Motion Pro®. 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....Kit includes 6 sprocket bolts (8mm), 6 Fuji metal-locking nuts (8mm) and 6 flat washers (8mm)Pre-applied thread locking agent on sprocket bolts and factory-style Fuji lock nuts create a double locking design that keeps the hardware tight and secure$12.99
- Outlaw Racing®Light Front SprocketYamaha YZ125 1990, Light Front Sprocket by Outlaw Racing®. 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...Made from SNCM220 heat treated for ultimate combination of hardnessSelf cleaning mud groves to prevent dirt build-up$22.94
- PBI Sprockets®Aluminum SprocketYamaha YZ125 1990, Aluminum Sprocket by PBI Sprockets®. 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...Manufactured from 7075 T6- 51 aluminumStronger than steel sprockets in tensile, yield and shear strength$58.75 - $77.85
- PBI Sprockets®Steel Countershaft SprocketYamaha YZ125 1990, Steel Countershaft Sprocket by PBI Sprockets®. 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....CNC Machined from high grade chromoly steelMeets or exceeds OEM specifications$18.95
- Pingel®Rear Sprocket SpacerUniversal Rear Sprocket Spacer by Pingel®. How Wide Can You Go - This Rear Sprocket Spacer allows the installation of tires up to 142mm wide on 2000-2003 H-D FL models without any other modification to the motorcycle. This easy to...Thoughtfully developed to serve the motorcycle industryBuilt to provide impressive performance and great safety$90.60
- ProX®Alloy Rear SprocketYamaha YZ125 1990, Alloy Rear Sprocket by ProX®. 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...Offering the perfect balance between strength, performance and longevityDesigned and manufactured for a perfect fit and ultimate performance$58.17
- ProX®Front SprocketYamaha YZ125 1990, Front Sprocket by ProX®. 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...The perfect fit together with the drive chains.The front sprockets are grooved and ultra-light and are the top level quality sprockets.$20.53
- ProX®SprocketYamaha YZ125 1990, Sprocket by ProX®. The perfect fit together with the drive chains. The front sprockets are grooved and ultra-light and are the top level quality sprockets. Manufactured from low corrosion SCM435 Ni-Chrome Molybdenum...Carefully developed for the highest level of qualityReady to serve reliably for years to come$36.21 - $45.89
- Sunstar®Powerdrive Countershaft SprocketYamaha YZ125 1990, Powerdrive Countershaft Sprocket by Sunstar®. The original Sunstar Powerdrive countershaft sprocket, used by top OEM's worldwide for nearly 60 years. Constructed using the strongest chromoly steel for max durability &...Constructed using the strongest chromoly steel for maximum durability"Parkerizing" surface treatment for rust and corrosion resistance$15.59
- Sunstar®Rear SprocketYamaha YZ125 1990, Rear Sprocket by Sunstar®. Constructed from S45C Carbon Steel with exclusive heat treatment for added strength & wear resistance, Sunstar's standard steel replacement sprocket is the most reliable replacement grade...Strongest and longest lasting steel sprocket on the marketDemanded by OEM's for over 50 years$36.34 - $41.36
- EBC®CK Series™ Clutch KitYamaha YZ125 1990, CK Series™ Clutch Kit by EBC®. Complete Engine sets of stack height controlled friction plates featuring the EBC unique alloy particle impregnated clutch facings that prevent burn up or slippage. Every CK kit is...Full engine sets of friction plates onlyMade with OEM style cork based materials$64.26
- EBC®CSK Series™ Heavy Duty Clutch Spring KitYamaha YZ125 1990, CSK Series™ Heavy Duty Clutch Spring Kit by EBC®. Premature or rapid clutch wear is often caused by tired clutch springs. Always replace springs at clutch rebuild. These premium upgrade springs reduce chance of...Catalogue pre selects diaphragm or coil spring type as requiredSpring tension 15% higher than standard$12.19
- EBC®DRC Series™ Off-Road Clutch Rebuild KitYamaha YZ125 1990, DRC Series™ Off-Road Clutch Rebuild Kit by EBC®. The Ultimate clutch rebuild for your ATV and Moto Cross machine. Here's why? Stack height is the all important factor when renewing a clutch and riders are always...Complete stack height controlled set of friction plates usingEBC unique alloy article impregnated clutch facings that wear longer and resists burning plus$109.71
