Yamaha YZ250 Drivetrain & Transmission Parts
Drive Chains- Sprockets
- Clutches
- Transmissions & Components
- Variators
- Axles & Accessories
- Chain Guide, Protection & Sliders
- Sprocket Guards
- Transmission Covers
- Chain & Belt Adjusters
- Clutch Lines
- Transmission Gaskets, Seals & Bushings
- Drivetrain & Transmission Bearings
- Drivetrain & Transmission Mounts
- Transmission Fluids & Oils
- Gear Oils
- Drivetrain & Transmission Tools
- SMP®Neutral Safety Switch (MC-NSS5)Universal Neutral Safety Switch (MC-NSS5) by SMP®. 1 Piece. Precision manufactured to stringent specifications to ensure proper function and long life in the toughest of conditions. All switches feature a high carbon steel plunger...Direct O.E.M. replacement type switchesGasket or seal included$13.77
- SMP®Neutral Safety Switch (MC-NSS4)Universal Neutral Safety Switch (MC-NSS4) by SMP®. 1 Piece. Precision manufactured to stringent specifications to ensure proper function and long life in the toughest of conditions. All switches feature a high carbon steel plunger...Direct O.E.M. replacement type switchesGasket or seal included$19.97
- SMP®Standard Neutral Safety Switch (MCNSS3)Universal Standard Neutral Safety Switch (MCNSS3) by SMP®. Precision manufactured to stringent specifications to ensure proper function and long life in the toughest of conditions. All switches feature a high carbon steel plunger...Direct O.E.M. replacement type switchesGasket or seal included$29.18
- Comet®CPC Lower Bushing Kit (213265A)Universal CPC Lower Bushing Kit by Comet®. Comet products are rugged, built to last, and intended to make your life easier. Comet Industries has over fifty years of experience manufacturing quality clutches, torque converters, brakes,...Excellent durability coupled with exceptional performanceMade from top-grade materials to provide wear resistance$25.04
- Comet®Roller Kit (215271A)Universal Roller Kit by Comet®. Comet products are rugged, built to last, and intended to make your life easier. Comet Industries has over fifty years of experience manufacturing quality clutches, torque converters, brakes, drive...Excellent durability coupled with exceptional performanceMade from top-grade materials to provide wear resistance$113.99
- Comet®Spider Kit (217186A)Universal Spider Kit (217186A) by Comet®. SK-Spider Pin, Washer and Button. Comet products are rugged, built to last, and intended to make your life easier. Comet Industries has over fifty years of experience manufacturing quality...Excellent durability coupled with exceptional performanceMade from top-grade materials to provide wear resistance$110.65
- Comet®Wide Roller Kit (214920A)Universal Wide Roller Kit by Comet®. Comet products are rugged, built to last, and intended to make your life easier. Comet Industries has over fifty years of experience manufacturing quality clutches, torque converters, brakes, drive...Excellent durability coupled with exceptional performanceMade from top-grade materials to provide wear resistance$66.96
- EPI Performance®Pro-Series Adjustable Weight Magnets (THINMAGNET)Universal Pro-Series Adjustable Weight Magnets by EPI Performance®. 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....Carefully developed for the highest level of qualityPrecise engineering ensures second to none quality and lasting value$8.99
- Starting Line®Helix/Spring Shim (50-99)Helix/Spring Shim by Starting Line®. TSS-04 TEAM Clutch. The SLP Helix/Spring Shim helps maintain peak RPM riding at extreme elevations (8,000 ft. and above). This shim spaces the hub of the clutch in 0.070" which raises the spring...Engineered to ensure ultimate strength and maximum safetyMade to give you more confidence while driving$6.60
- Outlaw Racing®Axle Blocks (L01305BU)Axle Blocks by Outlaw Racing®. Quantity: 1 Pair. Finish: Blue. 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 billet aluminum for strength and light weightAids in rear wheel alignment and extends chain and sprocket life$28.88
- Outlaw Racing®Axle Blocks (L01305BK)Axle Blocks by Outlaw Racing®. Quantity: 1 Pair. Finish: 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 level of craftsmanship....CNC machined from billet aluminum for strength and light weightAids in rear wheel alignment and extends chain and sprocket life$28.88
- Ride Engineering®Anodized Black Billet Axle Blocks (RX-BAB00-BA)Billet Axle Blocks by Ride Engineering®. Precision machined for a better swingarm fit and more accurate chain alignment. Reduces "rocking" 6 mm longer than stock keeps chain adjustment bolts less extended. Provides two M8 hex nuts to...Designed and manufactured using innovative technologiesPrecise manufacturing and high-grade materials$43.16
- Ride Engineering®Anodized Green Billet Axle Blocks (RX-BAB00-GN)Billet Axle Blocks by Ride Engineering®. Precision machined for a better swingarm fit and more accurate chain alignment. Reduces "rocking" 6 mm longer than stock keeps chain adjustment bolts less extended. Provides two M8 hex nuts to...Designed and manufactured using innovative technologiesPrecise manufacturing and high-grade materials$43.16
- Ride Engineering®Anodized Red Billet Axle Blocks (YZ-BAB00-RA)Billet Axle Blocks by Ride Engineering®. Precision machined for a better swingarm fit and more accurate chain alignment. Reduces "rocking" 6 mm longer than stock keeps chain adjustment bolts less extended. Provides two M8 hex nuts to...Designed and manufactured using innovative technologiesPrecise manufacturing and high-grade materials$35.96
- Ride Engineering®Blue Reversable Axle Blocks (YZ-RAB00-MB)Blue Reversable Axle Blocks by Ride Engineering®. 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...This all new design is 3.5mm shorter or 5.5mm longer than the stock blocks depending on which way they are placed in the swingarm.Precision machined for a better swingarm fit which reduces rocking for more accurate chain alignment.$49.46
- Ride Engineering®Red Reversable Axle Blocks (YZ-RAB00-RA)Red Reversable Axle Blocks by Ride Engineering®. 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...This all new design is 3.5mm shorter or 5.5mm longer than the stock blocks depending on which way they are placed in the swingarm.Precision machined for a better swingarm fit which reduces rocking for more accurate chain alignment.$49.46
- All Balls®Front Inner CV Boot Kit (19-5034)Front Inner CV Boot Kit by All Balls®. The All Balls CV Boot material is compounded from an OEM grade DCR66 rubber that is formulated specifically for the demanding requirements of today's ATV's and UTV's, Easier to install than most...Used by pro racing pilots and amateur bikers around the worldBlend of astounding operation and unmatched reliability$17.84
- Acerbis®2.0 Chain Guide Block (2410990002)2.0 Chain Guide Block (2410990002) by Acerbis®. Color: White. The Acerbis 2.0 Chain Guide Block easily replaces the entire OEM unit and ensures durablity and high resistance to shock and wear from the chain. Made of PA6, it is made of...100% PA6 contructionHighly resistant to shock and chain wear$83.02
- Acerbis®2.0 Chain Guide Block (2410990001)2.0 Chain Guide Block (2410990001) by Acerbis®. Color: Black. The Acerbis 2.0 Chain Guide Block easily replaces the entire OEM unit and ensures durablity and high resistance to shock and wear from the chain. Made of PA6, it is made of...100% PA6 contructionHighly resistant to shock and chain wear$82.68
- Acerbis®Chain Guide Block Replacement Insert (2411010006)Chain Guide Block Replacement Insert (2411010006) by Acerbis®. Color: Green. The Acerbis chain guide block replaces the entire OEM unit and ensures durability and high resistance to shock and wear from the chain. If you're looking for a...Will meet and exceed your off-road racing needsDesigned specifically for your motorcycle$22.30
- Acerbis®Chain Guide Block Replacement Insert (2411010001)Chain Guide Block Replacement Insert (2411010001) by Acerbis®. Color: Black. The Acerbis chain guide block replaces the entire OEM unit and ensures durability and high resistance to shock and wear from the chain. If you're looking for a...Will meet and exceed your off-road racing needsDesigned specifically for your motorcycle$22.27
- Acerbis®Chain Guide Block Replacement Insert (2411010004)Chain Guide Block Replacement Insert (2411010004) by Acerbis®. Color: Red. The Acerbis chain guide block replaces the entire OEM unit and ensures durability and high resistance to shock and wear from the chain. If you're looking for a...Will meet and exceed your off-road racing needsDesigned specifically for your motorcycle$22.30
- Acerbis®Chain Guide Block Replacement Insert (2411010003)Chain Guide Block Replacement Insert (2411010003) by Acerbis®. Color: Blue. The Acerbis chain guide block replaces the entire OEM unit and ensures durability and high resistance to shock and wear from the chain. If you're looking for a...Will meet and exceed your off-road racing needsDesigned specifically for your motorcycle$22.30
- Acerbis®Chain Guide Block Replacement Insert (2411010002)Chain Guide Block Replacement Insert (2411010002) by Acerbis®. Color: White. The Acerbis chain guide block replaces the entire OEM unit and ensures durability and high resistance to shock and wear from the chain. If you're looking for a...Will meet and exceed your off-road racing needsDesigned specifically for your motorcycle$22.30
- All Balls®Chain Roller (79-5007)Chain Roller (79-5007) by All Balls®. Size: 43 - 24 mm. Designed as a direct replacement for the OEM design. Rollers feature an outer mechanical seal to protect the bearings from dirt and water and include mounting hardware. Rollers...Used by pro racing pilots and amateur bikers around the worldBlend of astounding operation and unmatched reliability$17.33
- All Balls®Lower Chain Roller (79-5008)Lower Chain Roller (79-5008) by All Balls®. Size: 34 - 24 mm. Designed as a direct replacement for the OEM design. Rollers feature an outer mechanical seal to protect the bearings from dirt and water and include mounting hardware....Used by pro racing pilots and amateur bikers around the worldBlend of astounding operation and unmatched reliability$16.98
- Graves Motorsports®Works Custom Chain Guard (W-WMY-06R6-02)Universal Works Custom Chain Guard by Graves Motorsports®. Graves Motorsports Yamaha WORKS Carbon Swing-arm Shark Guard Protector fits any bike with a flat bottomed swing arm and surface to custom tap the mounting screws. Graves...Made with innovations for the latest in qualityPerfect for motorcycle applications$93.10
- Helix Racing®Off-Road Large Chain Roller (150-8857)Universal Off-Road Large Chain Roller (150-8857) by Helix Racing®. Lightweight polyurethane roller with nylon inner sleeve. These lightweight polyurethane off-road chain rollers are designed with no bearings and run on a maintenance...Keep machines running on the streetMade to meet or exceed the highest industry standards and most demanding customer needs$18.43
- Helix Racing®Off-Road Small Chain Roller (125-8753)Universal Off-Road Small Chain Roller (125-8753) by Helix Racing®. Lightweight polyurethane roller with nylon inner sleeve. These lightweight polyurethane off-road chain rollers are designed with no bearings and run on a maintenance...Keep machines running on the streetMade to meet or exceed the highest industry standards and most demanding customer needs$18.43
- Helix Racing®Off-Road Small Chain Roller (125-8756)Universal Off-Road Small Chain Roller (125-8756) by Helix Racing®. Lightweight polyurethane roller with nylon inner sleeve. These lightweight polyurethane off-road chain rollers are designed with no bearings and run on a maintenance...Keep machines running on the streetMade to meet or exceed the highest industry standards and most demanding customer needs$18.43
