Crankshaft

This NOS (New Old Stock) Suzuki OEM piston is a precision-engineered replacement component designed for the 1976 Suzuki RM250 motorcycle. Manufactured to original equipment specifications, the piston ensures optimal fitment and performance within the RM250 engine assembly. The unit is designed for compatibility with stock cylinder configurations, maintaining the integrity of the factory design.

Constructed from high-quality aluminum alloy, the piston features a bore diameter of 67mm and a compression height of 36mm. It is engineered for use with a 0.25mm oversize specification, providing a precise fit for standard cylinder bore dimensions. This NOS piston carries the OEM part number 12110-41102-025, ensuring authenticity and reliability for restoration or rebuild projects.

Genuine OEM Suzuki RM250 piston kit (part number 12110-41603-050) designed for direct replacement in the RM250 250cc motocross engine. This piston assembly is manufactured to Suzuki's stringent OEM specifications, ensuring optimal fitment and performance.

The kit includes a forged aluminum piston with a diameter of 74.0 mm, paired with 0.25 mm oversized wrist pin for enhanced durability under high-performance conditions. The ring set consists of two compression rings and one oil ring, engineered for precise sealing and reduced friction. This piston is superseded by part number 12103-40891-050, but remains a valid replacement for compatible RM250 models.

This NOS (New Old Stock) piston kit is specifically designed for the 1976 Suzuki RM250 motorcycle, ensuring precise fitment and optimal performance. The kit includes a 0.50mm oversized piston (#12110-41709), engineered to restore or upgrade the engine’s compression and power output. This piston is manufactured to original Suzuki specifications, providing reliable operation and durability for classic two-stroke applications.

The piston features a forged aluminum construction with a high-strength design, optimized for high RPM performance and heat resistance. Compatible with Suzuki RM250 models from 1976, this replacement part is ideal for restoration projects, engine rebuilds, or performance tuning. Each piston undergoes strict quality control to meet OEM standards, ensuring seamless integration with the RM250’s original cylinder and bearing components.

This NOS (New Old Stock) OEM standard piston is a direct replacement part designed for Suzuki RS250 motorcycles manufactured between 1980 and 1981. The piston is part number 12110-40601 and is engineered to meet the original equipment manufacturer (OEM) specifications, ensuring compatibility and reliable performance.

Constructed from high-quality aluminum alloy, the piston features precise machining to maintain optimal clearance and combustion efficiency. It is designed to work seamlessly with the cylinder bore dimensions of the RS250, delivering consistent power output and durability under standard operating conditions.

This NOS (New Old Stock) OEM original piston kit is designed for the 1976 Suzuki RM250 motorcycle, ensuring precise fitment and reliable performance. The kit includes the piston assembly (12110-41101) and associated components (12110-41102), manufactured to original Suzuki specifications for optimal compatibility.

The piston features a durable cast aluminum construction, engineered to withstand high compression and thermal stress typical of two-stroke engines. This replacement part guarantees restored compression and smooth operation, making it an ideal choice for restoration projects or routine maintenance.

Genuine OEM Suzuki piston for RM250 models manufactured between 1977 and 1981. This replacement piston is designed to meet strict OEM specifications, ensuring precise fitment and reliable performance. It is marked as standard size and carries the part number 12110-41600, guaranteeing authenticity and compatibility with the original engine components.

Manufactured to original equipment standards, this piston delivers consistent power output and durability. It is suitable for restoration projects or routine maintenance, providing the same level of performance as the original component. Packaged as new old stock (NOS), it retains its factory condition and is ready for immediate installation.

This genuine OEM SUZUKI piston ring set is designed for the RM250 model years 1979 through 1981. Engineered for optimal performance, it features a 0.25mm oversize specification to accommodate wear and ensure proper sealing within the cylinder bore.

Manufactured to SUZUKI's strict OEM standards, this piston ring set includes all necessary components for a complete replacement. The ring set is precision-ground for consistent gap and tension, ensuring compatibility with the RM250's two-stroke engine configuration. Installation requires standard piston ring tools and follows standard engine rebuild procedures.

Authentic OEM Suzuki piston rings designed for the RM250 (1977-1981), PE250 (1980-1981), and RS250 (1980-1981) models. These genuine rings are manufactured to meet Suzuki’s strict OEM specifications, ensuring precise fitment and optimal engine performance.

The piston rings included are part number 12141-41600-050, delivering reliable compression sealing and superior durability. Each set consists of high-quality cast iron rings engineered for high-revving two-stroke engines. Designed for long-lasting performance, these rings help maintain consistent power output and reduce oil consumption. Ideal for classic motorcycle restoration or routine maintenance.

NOS Suzuki OEM Piston Ring Set (Part # 12141-41620) is a direct replacement component engineered for precise fitment in compatible Suzuki engines. This piston ring set is designed to restore optimal compression and reduce oil consumption in high-performance and standard applications. Manufactured to OEM standards, it ensures consistent sealing, durability, and engine efficiency in demanding conditions.

This ring set is suitable for select Suzuki models requiring a single-piece piston ring configuration with a diameter of 76mm. Proper installation is recommended to maintain engine integrity and performance. For exact compatibility verification, consult your vehicle’s service manual or a certified Suzuki technician.

This OEM Suzuki piston ring set (Part No. 12140-41600-050) is engineered for precise fitment and optimal performance in RM250, PE250, and RS250 models. Constructed from high-grade cast iron, the rings are designed to withstand extreme combustion pressures while maintaining long-term durability under heavy-duty operation.

The set includes an oversize (0.50 mm) piston ring configuration to accommodate bore wear or performance upgrades. Each ring features precision-machined edges and a chrome-plated finish for enhanced wear resistance and reduced friction. Compatible with standard bore dimensions when paired with a 0.50 mm oversized piston, this kit ensures consistent ring tension and superior sealing for maximum engine efficiency.

Authentic NOS (New Old Stock) OEM Suzuki piston ring set designed specifically for the 1976 RM250 motorcycle. This high-quality ring set ensures optimal engine performance by maintaining proper compression and reducing blow-by. Precision-engineered for a perfect fit, it restores compression to factory specifications, enhancing power output and fuel efficiency.

Constructed from premium materials, this piston ring set is manufactured to OEM standards, guaranteeing durability and longevity. The 0.25 oversize designation ensures compatibility with standard bore sizes, making it an ideal choice for engine rebuilds or maintenance. Each ring set includes the necessary components for a complete installation, providing a reliable and cost-effective solution for motorcycle enthusiasts and professional mechanics.

The NOS Suzuki RM250 76-78 Piston Rings Oversize 0.25 are precision-engineered replacement components designed for 1976-1978 Suzuki RM250 models. Each set consists of four piston rings, providing a complete solution for engine rebuilds requiring an oversized piston configuration.

These piston rings are manufactured to exact OEM specifications, ensuring proper seal integrity and optimal compression within the cylinder. Sold as a 5-pack, this offering provides sufficient coverage for multiple rebuilds or shared applications. Compatibility is limited to specified RM250 models equipped with 0.25mm oversized pistons.

Original equipment manufacturer (OEM) piston rings designed for the 1976 Suzuki RM250 motorcycle. These rings are precision-engineered for high-performance two-stroke engines, ensuring optimal compression and reduced blow-by. Constructed from high-grade cast iron for durability and wear resistance, these rings are a direct replacement for the original components specified by Suzuki.

Compatible with the +.50mm oversized piston kit (Part No. 12140-40010-050), these rings maintain precise gap specifications for consistent sealing and extended service life. Ideal for restoration projects or performance upgrades, these piston rings deliver reliable operation under demanding conditions.

High-performance piston wrist pin engineered for Suzuki GS series motorcycles, including the GS450, GS500, GS750, and RM250 models. Constructed with precision machining, the pin delivers reliable connection between piston and crankshaft while withstanding elevated operating pressures and temperatures.

Designed to meet OEM specifications, the component offers superior durability and a consistent fit within the engine assembly. Installation is straightforward, allowing technicians to replace worn wrist pins without extensive modifications.

Genuine Suzuki piston pin designed for compatibility with GS 450, 500, and 750 motorcycle models. Engineered to OEM specifications for precise fitment and optimal performance in high-rpm engines. Precision-ground from high-strength steel to withstand extreme mechanical stress and thermal cycling, ensuring long-term reliability.

Part number 12151-92200-000 is a direct replacement for stock components, maintaining factory-level compression ratios and combustion efficiency. Packaged in durable anti-corrosion coating for storage longevity. Ideal for routine maintenance or performance rebuilds, this piston pin meets all Suzuki manufacturing standards for dimensional tolerances and surface finish.

This OEM Suzuki wrist pin bearing (part number 09263-18016) is a precision-engineered component designed for compatibility with multiple Suzuki models, including the RM250, RM370, RM465, RM500, and PE250 AHRMA. Constructed from high-quality materials, this bearing ensures optimal performance and durability in demanding motorcycle applications.

Engineered to strict OEM specifications, the bearing features a compact design for seamless integration into the engine assembly. Its precise dimensions and robust construction contribute to reduced friction and enhanced longevity, making it a reliable choice for both stock and performance-oriented applications.

This genuine OEM Suzuki bearing, part number 09263-18011, is precision-engineered for direct replacement in the following Suzuki motorcycle models: RM250, RM370, RM400, RS250, and PE250. Manufactured to exacting Suzuki specifications, this bearing ensures optimal fitment, durability, and performance in demanding riding conditions.

The bearing is designed for critical drivetrain applications, providing smooth rotational movement and load-bearing capacity under high-stress conditions. Each unit undergoes rigorous quality control to meet OEM standards, guaranteeing reliable operation and extended service life. Suitable for both stock and performance-enhanced builds, this component maintains alignment and reduces friction in the transmission system.

OEM Suzuki crankshaft designed for 1977 and 1978 RM250 models. This high-quality replacement part ensures optimal engine performance and longevity for your classic dirt bike. Precision-machined to meet Suzuki's exacting standards, the crankshaft maintains precise tolerances for smooth power delivery and reduced vibration.

Compatible with RM250 models produced in 1977 and 1978, this crankshaft is part number 12200-41600. Engineered for durability, it is constructed from forged steel for superior strength and resistance to wear. Installation requires basic motorcycle maintenance tools and follows Suzuki's recommended procedures for proper fitment.

This genuine Suzuki OEM connecting rod (part number 12161-41101) is engineered for the PE250 and RM250 models, delivering precise fitment and durable performance. Manufactured to Suzuki's strict quality standards, it ensures optimal engine balance and longevity, making it an essential component for maintenance or rebuild projects.

The connecting rod is constructed from high-grade steel, providing superior strength and resistance to fatigue under high-performance conditions. Its precise machining maintains tight tolerances for consistent power delivery and reduced vibration. Suitable for both stock and performance applications, this OEM part guarantees compatibility and reliability in demanding motorcycle operations.

This genuine Suzuki OEM connecting rod, bearing part number 12161-41103, is precision-engineered for optimal performance and durability in compatible Suzuki engine models. Manufactured to exacting OEM standards, this connecting rod ensures precise alignment and maximum engine efficiency.

Designed for high-load applications, the component features robust construction and balanced weight distribution for consistent power delivery. Each connecting rod undergoes rigorous quality control to meet Suzuki's stringent specifications, providing a reliable replacement part for maintaining engine integrity and performance.

This genuine OEM Suzuki Thrust Washer, part number 09160-24015, is an essential component for maintaining optimal engine performance in compatible Suzuki models. Designed for durability and precision fitment, this thrust washer ensures proper axial positioning of critical engine parts, reducing wear and enhancing long-term reliability.

Sold in a pack of three new old stock (NOS) units, this washer is ideal for routine maintenance, repair, or replacement projects. Each unit meets Suzuki's strict manufacturing standards, guaranteeing consistent quality and compatibility with the original equipment specifications. Suitable for applications requiring OEM-grade replacement parts.

This genuine Suzuki RM250 crankshaft (Part #12211-41100) is engineered for optimal performance and durability in the classic 1978 RM250 model. Precision-machined from high-quality materials, the crankshaft ensures smooth engine operation and reliable power delivery, restoring the motorcycle's original performance standards.

Designed to meet strict OEM specifications, this crankshaft guarantees a perfect fit and long-lasting reliability. It is essential for maintaining the engine's balance, reducing vibrations, and improving overall throttle response. Ideal for restoration projects or performance upgrades, this crankshaft is a critical component for restoring the RM250 to its factory condition or enhancing its power output.

Precision-engineered crankshaft pin for select Suzuki RM250 models manufactured between 1976 and 1978. This OEM-grade replacement component ensures optimal engine performance by maintaining precise crankshaft alignment and durability under high-stress conditions.

Manufactured to original equipment specifications, the part is designed for seamless integration with the RM250's internal engine assembly. Compatible with models produced during the specified model years, it delivers consistent power transfer and reduces the risk of premature wear. Ideal for restoration projects, repairs, or performance upgrades requiring authentic OEM components.

This high-quality lower connecting rod bearing set, part number 09263-24026, is designed specifically for the Suzuki GT750 motorcycle. It serves as a direct supersession replacement for the older bearing set, 09263-24007, ensuring compatibility and reliability for your vehicle.

The bearing set provides enhanced durability and smooth operation under high-performance conditions. It is engineered to meet OEM standards, delivering precise fitment and long-lasting performance. Suitable for applications requiring precise tolerances and robust construction.

This genuine NOS (New Old Stock) Suzuki RM250/PE250 crankshaft half is a rare and exact replacement component for 1977 and 1978 models. Manufactured to original specifications, it ensures precise fitment and reliable performance for restoration or repair projects.

The right-hand (RH) crankshaft half is designed for direct OE (Original Equipment) compatibility, featuring the correct dimensions and threading to match the engine’s specifications. This high-quality part maintains the integrity of the powertrain, delivering consistent power delivery and durability.

This Suzuki OEM Bearing Kit (Part No. 09262-25084) is designed for precise compatibility with the following Suzuki motorcycle models: DR250, GN250, LT250, SP250, LT300, AN400, GZ250, and TU250. Engineered to original equipment manufacturer (OEM) specifications, this kit ensures optimal performance and durability, replacing worn or damaged bearings with factory-matched components.

Constructed from high-quality materials, this bearing set adheres to Suzuki’s stringent engineering standards, delivering seamless operation and extended service life. Ideal for professional mechanics and DIY enthusiasts seeking authentic replacement parts, this kit maintains the integrity of your motorcycle’s drivetrain while restoring peak efficiency.

This genuine Suzuki OEM bearing, part number 09262-25047, is engineered for optimal performance in motorcycle, ATV, and marine applications. Precision-manufactured to exacting Suzuki standards, it ensures reliable operation under demanding conditions, providing smooth rotational movement and extended component longevity.

Designed for direct-fit replacement in compatible Suzuki models, this bearing delivers consistent load-bearing capacity and minimal friction. The durable construction withstands high RPMs and variable torque loads, reducing wear on adjacent components. Each bearing is factory-tested for dimensional accuracy and material integrity, guaranteeing a seamless installation and long-term dependability.

This replacement oil seal is engineered for precise compatibility with specific Suzuki models, ensuring a dependable solution for maintaining optimal engine performance. Designed to meet OEM quality standards, it provides a reliable seal against oil leaks and contamination, critical for engine longevity and efficiency.

The part number 09283-35004-000 is a direct fit for designated Suzuki applications, requiring no modifications. Constructed from high-grade materials, it withstands extreme operating conditions, including high temperatures and pressures, while maintaining structural integrity. Ideal for routine maintenance or repairs, this oil seal delivers consistent performance and durability.

This main bearing kit is engineered for Suzuki RM400 (1978) and RM370 (1976-1977) models. The kit includes three precision components: part number 09262-30077, 09283-24001, and 09289-40004. Designed for OEM fitment, these bearings ensure reliable crankshaft support and minimize friction for extended engine longevity.

Manufactured to meet Suzuki's stringent quality standards, the bearing kit delivers consistent performance under high-load conditions. The sealed design prevents contamination and retains lubrication, reducing wear on critical engine components. Ideal for restoration projects or routine maintenance, this kit provides a cost-effective solution for maintaining optimal engine efficiency.

The Suzuki PRIMARY DR GEAR 09140-18004 is a high‑performance drivetrain component engineered for optimal power delivery and durability. Constructed from premium alloy materials, the gear is designed to withstand rigorous operational demands while maintaining precise torque transfer.

As an OEM replacement, this gear ensures full compatibility with original Suzuki assemblies, preserving the integrity of the vehicle’s drivetrain system. The component is manufactured to exacting tolerances, guaranteeing seamless integration and consistent performance across a range of operating conditions.

Suzuki OEM Part 08341-31059 NUT