Piston Crankshaft

This is an Original Equipment Manufacturer (OEM) Suzuki RM370 piston, part number 12110-41791, designed for model years 1976 and 1977. The piston features a 0.75-inch diameter and is manufactured to meet Suzuki's stringent factory specifications for performance and durability. Each unit is a new old stock (NOS) component, ensuring pristine condition and compatibility with the RM370 engine.

Precision-engineered for the RM370's cylinder bore, this piston is crafted from high-quality aluminum alloy, providing optimal heat dissipation and structural integrity. The part is fully tested to OEM standards, guaranteeing a seamless fit and reliable operation. Ideal for restoration projects or original equipment replacements, this piston restores engine performance to factory specifications.

Genuine Suzuki NOS piston designed for the RM370 motorcycle models produced between 1976 and 1977. This replacement piston ensures precise fitment and optimal engine performance, maintaining the OEM specifications required for the RM370 engine assembly. Engineered for durability and reliability, it is a critical component for maintaining power output and operational efficiency in classic Suzuki two-stroke engines.

Part number #12110-41202 is specifically manufactured to meet Suzuki’s strict quality standards. Compatible with 1976-77 RM370 models, this piston features a bore diameter of 85 mm, a compression height of 33.5 mm, and a wrist pin diameter of 22 mm. Precision-ground for optimal ring groove alignment, it is an essential upgrade or replacement part for restoration or maintenance projects.

This genuine Suzuki OEM piston, part number 12110-41200, is designed for precision-engineered engine performance and longevity. Engineered to exact OEM specifications, this piston ensures optimal combustion chamber sealing, reducing oil consumption and enhancing power output. Compatible with specific Suzuki engine models, it integrates seamlessly with the cylinder bore for a tight fit, minimizing clearance gaps that could affect efficiency.

Manufactured from high-grade aluminum alloy, the piston features a durable skirt design optimized for thermal expansion and wear resistance. The surface finish is treated for corrosion protection, ensuring durability under high-temperature operating conditions. This replacement piston maintains factory-level balance and performance, making it an ideal choice for repairs or engine rebuilds.

This genuine OEM piston and ring set is designed for the 1976 Suzuki RM370A motorcycle, ensuring precise fitment and optimal performance. The set includes a high-quality piston with a 0.25mm oversized specification, allowing for precise tuning and maintenance of engine compression. The ring set is engineered to match the piston's dimensions, providing reliable sealing and durability under high-performance conditions.

Manufactured to Suzuki's strict OEM standards, this piston and ring set is an ideal replacement for worn or damaged components, restoring the engine's power output and efficiency. The part number is 12110-41710, guaranteeing compatibility with the RM370A model.

Genuine Suzuki oversize piston designed for the RM370A model produced between 1976 and 1977. This first-over-size (1st O/S) piston features a 0.25-inch increase in diameter, ensuring optimal fitment for refurbished or rebuilt engine applications. Manufactured to exacting OEM standards, this piston is compatible with Suzuki part number 12110-41202-025 and delivers reliable performance in high-compression engine configurations.

Precision-engineered for durability and smooth operation, this piston is intended for high-performance restorations or engine overhauls where original equipment specifications must be maintained. Suitable for both professional mechanics and dedicated enthusiasts, the NOS piston guarantees a precise fit and long-lasting functionality in classic Suzuki motorcycle engines.

The GENUINE NOS Suzuki RM370 1976-77 Piston Ring Set (Part #12140-41780) provides a precise fit for authentic engine restoration. Engineered for the RM370's 369cc displacement, this three-piece ring set includes a chrome-plated top compression ring, a taper-face second compression ring, and a three-piece oil ring assembly. The rings are manufactured from high-grade cast iron for durability and heat resistance, ensuring consistent performance under high-RPM operation.

Designed specifically for the 1976-1977 Suzuki RM370 models, this OEM-spec piston ring set restores original compression and oil control. The kit includes all necessary rings in the correct configuration, maintaining factory tolerances for optimal engine sealing and longevity. Ideal for collectors and restoration projects requiring genuine Suzuki components.

These genuine Suzuki OEM piston rings (Part No. 12140-41210-025) are designed for the RM370 motorcycle model from 1976. Engineered to exacting Suzuki specifications, this set includes oversize rings with a +0.25mm dimension to accommodate cylinder bore wear while restoring optimal compression and performance. The rings are New Old Stock (NOS), ensuring authenticity and high-quality fitment for restoration or maintenance projects.

Constructed from premium materials to meet original equipment standards, these piston rings provide reliable sealing and durability. Each set is precision-machined to ensure proper gap and tension when installed, preventing blow-by and oil consumption issues. Compatible exclusively with the 1976 Suzuki RM370, this OEM component guarantees OEM-level fit and function for classic motorcycle enthusiasts.

This genuine Suzuki OEM piston ring set, part number 12140-41210-025, is designed for the 1976 Suzuki RM370 motorcycle. Engineered to OE specifications, these piston rings ensure optimal compression and combustion efficiency for reliable performance.

Manufactured to a +0.25 oversize dimension, this set is an ideal match for rebuilt or high-performance RM370 engines requiring precise fitment. The rings are new old stock (NOS), guaranteeing original quality and durability. Each ring is precision-machined for consistent gap and tension, reducing blow-by and enhancing engine longevity.

This NOS (New Old Stock) Suzuki OEM piston ring set is designed specifically for the RM370 motorcycle model, ensuring precise fitment and optimal performance. Manufactured in Japan, each component meets Suzuki's stringent quality standards for durability and reliability. The set includes all necessary rings for a complete engine rebuild, providing consistent compression and reduced oil consumption when properly installed.

Engineered for the RM370 engine, this piston ring set features a 0.75mm oversize specification (Part No. 12140-41210-075), making it ideal for engines requiring this exact measurement. Compatible with stock bore dimensions, it restores engine efficiency while maintaining original specifications. Installation requires basic mechanical tools and adherence to manufacturer guidelines for optimal results.

Genuine OEM replacement piston ring designed specifically for the 1976 Suzuki RM370 motorcycle. Engineered to meet or exceed original equipment manufacturer specifications, this NOS (New Old Stock) piston ring ensures precise fitment and optimal compression for restored or vintage performance. Constructed from high-grade cast iron, the ring provides durability and resistance to wear under high-temperature operating conditions.

Compatible with Suzuki RM370 models featuring part number 12140-41211, this standard piston ring maintains engine efficiency and reduces blow-by. Suitable for classic motorcycle enthusiasts, restoration projects, or performance rebuilding, it guarantees compatibility with the original cylinder and piston assembly.

Authentic OEM replacement piston rings designed specifically for the 1976 Suzuki RM 370 motorcycle. These precision-engineered rings ensure optimal cylinder sealing, reduced oil consumption, and improved engine performance. Manufactured to Suzuki's exacting standards, these rings maintain the factory specifications of the original equipment, providing reliability and durability for classic motorcycle restoration or maintenance.

Each set includes the correct ring configuration for the specified model, ensuring a perfect fit and seamless installation. Suitable for standard rebuilds or performance enhancements, these piston rings are a critical component for maintaining engine efficiency. The included part number (12140-41211-025 #12 2907) guarantees compatibility with the 1976 RM 370 and related models.

This genuine OEM piston ring set is engineered for the Suzuki RM370 models produced between 1976 and 1977. Designed to meet original equipment specifications, it ensures precise fit and optimal combustion chamber sealing for reliable engine performance. The ring set is manufactured from high-grade materials to withstand the demands of high-performance two-stroke operation, providing durability and consistent power delivery.

Each set includes the necessary components to restore compression and reduce oil consumption, addressing common wear issues in older engines. Compatible with Suzuki part number 12140-41211-050, this piston ring set is an essential replacement for maintaining the integrity and efficiency of the RM370’s powerplant.

This genuine NOS (New Old Stock) piston ring set is manufactured for the 1976 Suzuki RM370 motorcycle. Designed to meet OEM specifications, it ensures precise fitment and optimal compression for restored or high-performance engines. The set includes all necessary rings for a complete top-end rebuild, maintaining factory tolerances and durability standards.

Constructed from high-quality cast iron with chrome-plated finishes, these rings provide superior wear resistance and heat dissipation. Compatible with models featuring the 12140-41710 part number, this piston ring set is ideal for collectors, restoration specialists, or racers seeking authentic Suzuki components.

This NOS (New Old Stock) piston ring set is engineered for the 1976–1977 Suzuki RM370 motorcycle, ensuring precise compatibility with OEM specifications. Designed for optimal combustion efficiency, the ring set includes compression rings and an oil ring assembly, delivering consistent performance under high-revving conditions typical of two-stroke engines.

The ring set is manufactured to meet or exceed original equipment tolerances, featuring a chrome-plated top compression ring for enhanced wear resistance. The oil ring incorporates a multi-piece design to maintain proper oil control and reduce friction. This piston ring set eliminates the need for aftermarket modifications, providing a direct replacement solution for restoring engine compression and power output.

This genuine Suzuki piston ring set is an original NOS (New Old Stock) component designed for the Suzuki RM370 motorcycle models manufactured between 1976 and 1977. Part number 12140-41781 ensures an exact fit for optimal engine performance and durability. The set is engineered to meet Suzuki's stringent OEM specifications, providing reliable sealing and compression for two-stroke engine operation.

The piston rings are manufactured to precise tolerances, ensuring minimal blow-by and consistent power delivery. Engineered from high-quality cast iron, the rings are hardened and coated for enhanced wear resistance and extended service life. This piston ring set is an essential component for restoring or maintaining the performance of a classic RM370 engine.

This genuine OEM oversize piston ring set is engineered specifically for the 1976 Suzuki RM370 motorcycle. Precision-machined to an oversize specification of 0.75 millimeters, the set ensures optimal compression and engine performance in high-performance applications. The ring set includes all necessary components for a complete installation, providing a direct replacement solution for worn or damaged piston rings.

Manufactured under strict Japanese OEM standards, this NOS (New Old Stock) ring set guarantees durability and reliability. The 12140-41790 part number ensures compatibility with the original engine design, maintaining factory-level performance. Ideal for restoration projects or performance upgrades, this ring set delivers the exact fitment and material quality required for the RM370’s high-revving two-stroke engine.

This genuine OEM piston ring set is engineered for the Suzuki RM370 motorcycle models manufactured between 1976 and 1977. Designed to deliver optimal compression and engine performance, these piston rings ensure a precise fit and reliable sealing for long-term durability. Compatible with the RM370 engine, this set provides a direct replacement solution for worn or damaged components, restoring factory specifications and maintaining peak operational efficiency.

Constructed from high-quality materials, the piston rings are precision-engineered to withstand high-temperature conditions and resist wear. Each ring is meticulously measured to meet original equipment standards, ensuring seamless integration with the cylinder and piston assembly. This set includes all necessary ring components for a complete and accurate restoration.

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.

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.

The NOS Suzuki RM400 RM370 Crankshaft Pin, part number 12211-41201, is an OEM-grade replacement component designed for precise fitment in compatible motorcycle models. Engineered to meet Suzuki's original specifications, this crankshaft pin ensures reliable performance in high-stress applications, including racing and heavy-duty use.

Manufactured to strict tolerances, the crankshaft pin is constructed from high-grade alloy steel for durability and resistance to wear. It is designed to supersede the earlier part number 12211-40900, providing a direct upgrade path for RM400 and RM370 models. Compatibility extends to models equipped with the specified crankshaft assembly, ensuring seamless integration without modifications.

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.

Precision-engineered crankshaft bearing designed for Suzuki TM400, RM400, TS400, TC185, and DR350 motorcycle models. This New Old Stock (NOS) part ensures optimal engine performance by providing smooth and reliable crankshaft rotation with reduced friction. Manufactured to exact OEM specifications, it maintains precise tolerances for long-lasting durability under high-performance conditions.

Replacement part number 08113-63060 fits multiple Suzuki models, making it a versatile choice for restoration or maintenance projects. The bearing is designed to withstand heavy loads and extreme temperatures, ensuring consistent operation in demanding riding environments.

This genuine NOS Suzuki Seal, bearing part number 09289-40004 and manufacturer identifier #PL-482, is engineered for optimal performance in Suzuki vehicles. Designed as an OEM replacement component, it ensures seamless integration and reliable operation within the vehicle's sealing system.

The seal is manufactured to meet Suzuki's stringent quality standards, providing durability and resistance to wear under typical operating conditions. Its precise dimensions and material composition are optimized for compatibility with specified Suzuki models, ensuring a secure and leak-free fit.

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.

These OEM Suzuki RM400 and RM370 bearing retainer plates ensure precise alignment and secure retention of critical bearing components in the motorcycle’s transmission and engine assembly. Designed to meet or exceed original equipment specifications, these plates provide reliable durability and consistent performance under demanding riding conditions.

Manufactured for compatibility with 1976-1978 RM370 and RM400 models, the retainer plates feature a precision-engineered fitment to maintain optimal rotational stability and reduce wear on adjacent components. Each plate is stamped with the OEM part number 12541-41200 (or equivalent 24741-4010), ensuring direct replacement integrity for factory-standard specifications.

The Suzuki SCREW 02112-0612A is a high‑performance OEM replacement component designed for precision and durability in automotive applications. It is engineered to meet strict quality standards, ensuring reliable operation and extended service life.

This screw offers a robust construction that resists wear and maintains structural integrity under demanding conditions. Its design aligns with industry specifications for fit and function, making it a suitable choice for technicians seeking dependable replacement parts.

OEM-grade replacement screws designed for Suzuki DR125 and DR100 models produced between 1982 and 1983. These screws match factory specifications for precise fitment and durability in critical applications. Sold as a set of two, these screws are ideal for restoration projects, maintenance, or replacement of damaged or worn-out fasteners.

Manufactured to original equipment standards, these screws ensure consistent performance and compatibility with stock components. Each screw features a zinc-plated finish for corrosion resistance and includes the OEM part number 02122-06128 for accurate identification.

This high-quality NOS screw from Suzuki, part number 02122-06127, is designed for precision assembly in compatible engine components. The screw features a 6-millimeter diameter and a 12-millimeter length, ensuring a secure fit for standardized applications. Manufactured to meet OEM specifications, it provides reliable performance in demanding automotive environments.

The threaded design allows for efficient installation and removal, while the durable construction resists wear and corrosion. This NOS screw is an essential replacement part for maintaining optimal engine functionality and should only be used in applications where this exact specification is required.

This OEM Suzuki RM400 crankshaft primary drive gear (Part #21111-41200) is a direct replacement component designed for optimal compatibility with the RM400 motorcycle. Machined to precise specifications, this 26-tooth gear ensures reliable power transmission between the crankshaft and the transmission system, maintaining factory-level performance and durability.

Constructed from high-quality steel, the gear features a hardened surface for enhanced wear resistance and extended service life. It is an essential maintenance part for restoring or upgrading the primary drive system, guaranteeing smooth operation and reduced vibration. Compatible with stock Suzuki RM400 models, this OEM gear meets stringent manufacturer standards for fitment and function.

This Suzuki OEM nut, part number 09140-20006, is a precision-engineered component designed for optimal performance and reliability in automotive applications. Manufactured to Suzuki’s strict OEM standards, this nut ensures precise fitment and secure fastening in critical vehicle systems.

The nut is constructed from durable steel, providing high tensile strength and corrosion resistance for long-lasting durability. It is suitable for use in various Suzuki models where this specific part is required. Ensure compatibility by verifying vehicle application before installation.

This genuine Suzuki crank washer (OEM part #09166-20005) is engineered for precise fitment in the RM370 and RM400 models. Manufactured to Suzuki's exacting OEM standards, it ensures proper spacing and alignment within the crankshaft assembly, preventing premature wear and maintaining optimal engine performance.

Designed for durability and reliability, this crank washer is constructed from high-quality materials to withstand the demanding conditions of off-road and motocross applications. Fast shipping available for immediate replacement needs.

This genuine Suzuki crankshaft key, part number 09421-07001, is designed for models RM370, RM400, and T500. Manufactured as new old stock (N.O.S.), it ensures OEM quality and precise fitment for optimal engine performance.

The key is engineered to meet Suzuki's stringent specifications, providing reliable torque transfer between the crankshaft and associated components. Ideal for restoration projects or replacements requiring authentic parts, this component maintains the integrity and functionality of the original engine assembly.