Crankshaft

Genuine Oversize Piston for Suzuki RM100 (1979-1981 models), part number 12110-40200-025. Designed for high-performance engine rebuilding, this .25mm oversize piston ensures precise fitment and optimal compression in 1st overbore applications. Manufactured to original equipment specifications, it meets stringent quality standards for durability and reliability.

This piston is an ideal replacement for worn or damaged components, restoring factory performance in classic RM100 motorcycles. Suitable for restoration projects or performance upgrades, it integrates seamlessly with standard Suzuki RM100 engine components. Includes piston ring set for complete installation.

This NOS (New Old Stock) OEM Suzuki piston is a direct replacement for the 1979 to 1981 RM100 models. Designed to meet original equipment manufacturer specifications, it ensures precise fitment and optimal performance. The piston is manufactured to high-quality standards and is available in a .50mm oversize for enhanced compatibility with rebuilt engines requiring additional clearance.

Featuring a durable construction, this piston delivers reliable durability and efficient power transfer. It is ideal for restoration projects, engine rebuilds, or routine maintenance where original part quality is paramount. The piston is part number 12110-40200-050 and is designed for seamless integration with Suzuki's RM100 engine components.

This genuine NOS Suzuki OEM piston is designed for the 1979-1981 RM100 motorcycle, featuring the original part number 12110-40200-050. Engineered with precision machining, the piston is manufactured to the exacting standards of Suzuki's specifications, ensuring optimal fitment and performance. The overbore dimension of .50MM provides enhanced clearance for improved power delivery and reduced friction, making this piston an ideal upgrade for high-performance applications.

The piston is constructed from high-grade aluminum alloy, offering a balance of strength and lightweight properties to withstand the demands of competitive riding. Each unit undergoes rigorous quality control to guarantee durability and reliability under extreme operating conditions. Suitable for both restoration projects and performance builds, this piston is a direct replacement part that maintains the integrity of the original engine design.

This Genuine Suzuki RM100 Piston Rings set (Part No. 12140-41610-025) is an OEM-quality replacement component designed for 1977–1981 Suzuki RM100 models. Engineered to meet Suzuki’s exacting standards, these piston rings ensure optimal compression, reduced oil consumption, and extended engine longevity by maintaining precise cylinder sealing under high-performance conditions.

Manufactured from high-grade cast iron, the rings provide superior durability and resistance to wear, delivering consistent performance in demanding off-road and racing applications. Precisely machined to specification, this set includes all necessary components for a complete ring replacement, facilitating smooth installation and immediate compatibility with the RM100’s original engine configuration.

This genuine OEM Suzuki piston ring set, part number 12140-41610-050, is engineered to meet the exacting standards of Suzuki motorcycles and ATVs. Designed for new engine assemblies or full rebuilds, the ring set ensures optimal compression, oil control, and durability under demanding operating conditions. Precision-machined for a perfect fit, the rings maintain tight tolerances to minimize blow-by and maximize horsepower retention.

The piston ring set includes all necessary components for a complete installation, delivering factory-level performance and reliability. Each ring is manufactured from high-grade materials, heat-treated for resilience, and plated with advanced coatings to resist wear and corrosion. Engineered to Suzuki’s specifications, this OEM part guarantees compatibility and long-term serviceability for compatible Suzuki models.

Genuine NOS Suzuki RM100 Piston Rings (Part #12140-41610-025) are precision-engineered replacement components designed for restoration or maintenance of 1977–1981 RM100 models. Manufactured to original equipment specifications, these piston rings ensure optimal sealing performance, compression retention, and engine longevity in two-stroke applications.

Each set includes high-quality cast iron rings engineered for durability under high RPM conditions. Compatible exclusively with Suzuki RM100 models produced during the specified production years, these rings provide a direct fitment solution for stock or modified engines. Sold individually for precise replacement, this part maintains factory OEM standards for peak power delivery and reduced oil consumption.

The Suzuki OEM Genuine Piston Pin (Part No. 12151-07000) is a direct-fit replacement component engineered for optimal performance and durability in compatible Suzuki models. Manufactured to meet original equipment manufacturer (OEM) specifications, this piston pin ensures precise alignment and reduced friction within the engine assembly, contributing to smoother operation and extended service life.

Designed for applications in the Suzuki GT380, GT250, RV90, and RM100 motorcycles, this piston pin is crafted from high-grade alloy steel for superior strength and corrosion resistance. Its exacting tolerances and high-quality finish minimize wear on mating components, maintaining engine efficiency over time. This genuine Suzuki part guarantees a seamless installation, eliminating the risk of compatibility issues associated with aftermarket alternatives.

The Suzuki OEM Piston Pin 12151-23400-0A0 is a precision-engineered component designed for direct replacement in compatible Suzuki engines. Manufactured to exacting OEM specifications, this piston pin ensures optimal performance and durability by maintaining precise alignment within the piston and connecting rod assembly.

Constructed from high-grade steel, the piston pin features a hardened surface for enhanced wear resistance and dimensional stability. With a length of 58.5mm and an outer diameter of 18.0mm, it is engineered to meet the exacting tolerances required for smooth operation in high-performance applications. This genuine Suzuki part is the ideal choice for maintenance, repair, or replacement to restore engine efficiency and reliability.

Engineered to meet the highest standards of durability and performance, the NOS Genuine Suzuki 09381-14001 Snap Ring is designed for precision applications. Constructed from premium alloy steel, this snap ring provides reliable retention and resistance to vibration and thermal cycling, ensuring consistent operation in demanding automotive environments.

Installation is straightforward with a standard snap ring tool, allowing for rapid replacement or upgrade in both production and aftermarket settings. The component is fully compatible with Suzuki models requiring the 09381-14001 specification, delivering a seamless fit and optimal load distribution.

This OEM Suzuki Bearing (Part #09263-14006) is engineered for direct factory replacement in compatible Suzuki models. Precision-manufactured to meet or exceed original equipment specifications, it ensures optimal performance and longevity in high-load applications. The bearing features a single-row, deep-groove design optimized for radial and axial loads, delivering smooth operation under demanding conditions.

Constructed from high-grade steel with a durable inner and outer ring, this bearing is pre-lubricated with high-quality grease for enhanced durability and reduced maintenance requirements. Factory-tested for dimensional accuracy and load-bearing capacity, it guarantees a seamless fit and reliable functionality in the drivetrain or other critical systems. Designed for use in models requiring this exact part number, it maintains compatibility with original equipment manufacturer standards.

This genuine OEM Suzuki bearing assembly, part number 09263-14022, is designed for precise rotational support in compatible drivetrain applications. The bearing features a 14mm inner diameter, 18mm outer diameter, and is manufactured to meet Suzuki's strict quality control standards for durability and performance.

Engineered for direct fitment in specified Suzuki models, this bearing ensures optimal load distribution and reduced friction. The part is supplied as a complete assembly, including necessary seals and mounting components, for streamlined installation and long-term reliability.

This genuine NOS Suzuki crankshaft assembly (Part No. 12200-40230) is an exact replacement component for the RM100 T/X models manufactured between 1980 and 1981. Designed for precision fitment and long-lasting durability, this assembly ensures optimal engine performance in classic off-road motorcycles. The crankshaft assembly is manufactured to Suzuki's original specifications, providing consistent power delivery and reliability.

This obsolete part is ideal for restoration projects, vintage racing, or routine maintenance of pre-1982 RM100 models. The crankshaft assembly includes all necessary internal components for a complete rebuild. Note that this is a discontinued part, and availability is limited to existing stock.

This NOS GENUINE SUZUKI connecting rod is a direct replacement component designed for compatibility with the following models: RM100, RM125, TS100, TS125, and GT100. Manufactured to OEM specifications, this part ensures precise fitment and reliable performance for your motorcycle's engine assembly.

The connecting rod is constructed from high-grade steel, providing durability and resistance to high stress loads. It features a bore diameter of 15.01mm and an overall length of 118.00mm. With a weight of 230 grams and a center-to-center length of 98.00mm, this component meets the exacting standards required for optimal engine operation. The part is marked with the OEM part number 12161-12002 for easy identification.

This OEM-grade Suzuki connecting rod, part number 12161-39300, is precision-engineered for optimal performance in compatible motorcycle models. Designed for durability and high load-bearing capacity, it ensures precise piston-to-crankshaft synchronization, enhancing engine efficiency and power delivery. The connecting rod is manufactured to meet strict OEM standards, guaranteeing a perfect fit and seamless integration with Suzuki’s AC100, TM100, GT250, RM100, RM125, and TS125 engines.

Constructed from high-quality alloy steel, this connecting rod features a forged design for superior strength and fatigue resistance. Its precise machining and balanced weight distribution contribute to reduced vibration and improved engine longevity. Ideal for both stock performance maintenance and performance upgrades, this component is an essential replacement part for optimal engine operation.

This genuine Suzuki OEM washer motor, part number 09160-19001, is a factory-original component designed for use in compatible Suzuki motorcycles and ATVs. Manufactured to Suzuki's stringent quality standards, this washer motor ensures reliable operation and precise fluid delivery for optimal cleaning performance. The unit is an exact match for OEM specifications, providing seamless integration and durability.

Constructed with high-quality materials, this washer motor delivers consistent performance under standard operating conditions. It is recommended for replacement in models requiring this specific part number to maintain system integrity and functionality. Packaged as a new, unused component, this genuine Suzuki part is ready for direct installation.

This genuine OEM Suzuki crankshaft pin, bearing part number 12211-03020, is manufactured to Japan Quality standards for optimal durability and performance. Designed for precise fitment in compatible Suzuki models, this critical engine component ensures reliable operation of the crankshaft assembly.

Manufactured by Yamaha Motor Co., Ltd. under OEM specifications, this pin is produced with high-grade materials to meet or exceed original equipment standards. It is essential for maintaining proper engine timing and crankshaft alignment. Verify compatibility using the provided part number or by submitting your vehicle identification number (VIN) for confirmation.

High-quality bearing replacement for Suzuki RN models, specifically designed for applications requiring dimensions 19X25X16. Engineered with durable materials to ensure reliable performance and extended service life in marine and boat equipment. This bearing is a direct-fit solution, optimized for precise installation to maintain optimal engine and equipment functionality.

Manufactured to meet strict quality standards, the bearing is included as depicted in the product images. To ensure compatibility with your vehicle or equipment, verify the model number and cross-reference the product specifications before purchasing.

This genuine Suzuki RM100 right-hand crankshaft half is a new old stock (NOS) part, ensuring original equipment manufacturer (OEM) quality and precision fitment for 1979 RM100 models. Engineered for durability and optimal performance, this crankshaft half is designed to maintain the engine's balance and power delivery, critical for high-revving two-stroke operation.

Constructed from high-grade materials, this NOS crankshaft half is a direct replacement for the original component, providing reliable engine operation. It is intended for use in Suzuki RM100 motorcycles manufactured in 1979 and is sold as a single half, requiring an additional left-hand half for full assembly.

This genuine Suzuki RM100 1980/81 crankshaft half, part number 12221-40230, is designed for precision fitment and optimal performance in the RM100 model. Constructed from high-grade materials, this crankshaft half ensures durability and reliable operation under demanding riding conditions. It is an essential component for maintaining the engine's balance and efficiency.

Compatible with the RM100 models produced between 1980 and 1981, this crankshaft half is manufactured to OEM specifications, guaranteeing exact fitment and compatibility. It is ideal for restoration projects, repairs, or routine maintenance. Ensure proper installation and torque specifications are followed for optimal performance and longevity.

This genuine New Old Stock (NOS) Suzuki RM100 left-hand crankshaft half is a precise OEM replacement part designed for the 1979 Suzuki RM100 motorcycle. Engineered to original equipment specifications, it ensures optimal performance and durability in demanding riding conditions.

The crankshaft half features a durable construction suitable for high-revving applications. It is fully interchangeable with the original component, maintaining factory alignment and balance for smooth engine operation. Suitable for restoration projects or replacement in worn or damaged assemblies, this NOS part guarantees authentic fitment and reliability.

This genuine NOS (New Old Stock) Suzuki RM100 crankshaft, part number 12261-40230, is engineered for optimal performance in 1979 to 1981 RM100 models. Precision-machined for exact fitment and durability, it ensures reliable power delivery and smooth engine operation. The left-side crankshaft is a critical component for maintaining proper crankcase sealing and piston alignment.

Designed to meet OEM specifications, this new-old-stock crankshaft restores functionality to worn or damaged engines without the risk of premature wear associated with aftermarket alternatives. Each unit is factory-new and stored under controlled conditions to preserve its integrity.

This high-quality bearing set is designed for Suzuki RM models including RM100, RM125, RM370, RM400, RM465, SP500, and TM variants. It includes the following bearings: 09262-22012 and 09262-22025. These components are precision-engineered to ensure smooth operation and durability under demanding riding conditions.

Constructed from high-grade steel, the bearings feature sealed construction to prevent contamination from dirt and moisture. The set is ideal for routine maintenance or replacement in response to wear, ensuring optimal performance of the motorcycle's suspension and steering systems. Compatible with specified models, these bearings meet OEM specifications for a precise fit and reliable operation.

High-quality NOS (New Old Stock) bearing designed for Suzuki motorcycles RM100, RM125, RS175, and PE175 models manufactured between 1976 and 1984. This replacement bearing, part number #09262-25052, ensures precise fitment and reliable performance in critical suspension and drivetrain applications. Engineered to OEM specifications, it delivers smooth operation while maintaining structural integrity under standard operating loads.

Constructed with durable inner and outer races, this bearing is manufactured to strict tolerances to support axial and radial loads. Compatible with stock and aftermarket components, it serves as a direct replacement for worn or damaged OEM bearings, restoring functionality to steering heads, wheel hubs, or swingarm assemblies. Ideal for restoration projects, performance upgrades, or routine maintenance.

This genuine Suzuki RM125 PE175 left bearing is an original equipment manufacturer (OEM) part designed for precise fitment and reliable performance. Measuring 25mm x 52mm x 15mm, the bearing meets exacting OEM specifications for dimensional accuracy and load capacity. It is part number 09262-25070-0A0, ensuring compatibility with Suzuki RM125 and PE175 models equipped with this bearing configuration.

Constructed for durability, this new old stock (NOS) bearing is manufactured to original Suzuki standards, providing smooth operation in critical drivetrain components. The bearing is sealed to prevent contamination and is ready for immediate installation, maintaining the integrity of the vehicle's suspension or steering system as originally designed.

This genuine NOS (New Old Stock) oil seal is engineered for Suzuki PE175 models from 1980 to 1984, as well as RM100 (1979) and RM125 SE models. Designed for precise fitment and reliable performance, the seal ensures optimal lubrication and protection against contaminants in the crankshaft area.

Manufactured to OEM specifications, the part number 09289-29002 (S51) meets strict quality standards. With dimensions of 29 mm (inner diameter) x 47 mm (outer diameter) x 8 mm (width), this seal delivers durable performance in demanding riding conditions.

The Suzuki Crankshaft Flywheel Mag Seal 09283-25066 is a precision-engineered sealing component designed for optimal engine performance in select Suzuki motorcycle models. This mag seal ensures a reliable barrier between the engine’s internal components and external contaminants, reducing the risk of oil leaks and maintaining proper lubrication efficiency. Constructed from high-quality materials, it provides durability and long-lasting performance under demanding operating conditions.

Compatible with Suzuki models including the TS, TC, TM, and RM series for engine displacements of 100cc, 125cc, and 185cc, this mag seal is a critical replacement part for maintaining factory specifications. Its precise fitment guarantees compatibility, ensuring seamless integration with the crankshaft and flywheel assembly. Designed for direct replacement, it maintains OEM performance standards without the need for modifications.

This right-hand crank engine oil seal is specifically designed for Suzuki GP100 and GP125 models, ensuring reliable sealing performance and extended engine longevity. Engineered to exact OE specifications, the seal provides a precise fit, preventing oil leakage and maintaining proper lubrication within the crankcase. The high-quality rubber compound resists heat, wear, and degradation under normal operating conditions, delivering consistent performance in demanding environments.

Compatible with Suzuki part numbers 09283-25037, -25066, and 574463, this oil seal is essential for routine maintenance or repair tasks. Its durable construction supports optimal engine efficiency by maintaining proper oil pressure and minimizing friction between moving components. Designed for right-hand crank applications, this seal is a direct replacement for OEM parts, ensuring compatibility and reliability.

This high-quality Suzuki RM125 Collar Spacer (Part No. 09180-20064) is precision-engineered for the RM125 model, ensuring optimal fitment and performance. Designed to maintain proper alignment of the engine and suspension components, this collar spacer provides a reliable solution for maintaining structural integrity in demanding motocross conditions.

Manufactured to OEM specifications, the RM125 Collar Spacer guarantees compatibility with genuine Suzuki parts, delivering durability and consistent performance. Its robust construction ensures resistance to wear and tear, even under rigorous use. Install with confidence, knowing this spacer meets the exacting standards required for high-performance motorcycle applications.

This NOS (New Old Stock) Suzuki OEM primary drive gear is a genuine replacement part designed for compatibility with the RM125 (1977-1978) and RM100 (1978-1981) models. Manufactured to original specifications, it ensures precise fitment and reliable performance in motorcycle drivetrain systems. The gear is constructed from high-strength steel, providing durability and resistance to wear under operational stress.

Part number 21111-41301 is recommended for applications requiring authentic Suzuki components. This primary drive gear maintains proper gear alignment and torque transmission, critical for smooth engine operation. Ideal for restoration projects or routine maintenance, this OEM part delivers the same performance and reliability as the original equipment.

Professional-grade crankshaft countershaft nut designed for Suzuki RM DS LT TS TM series. This genuine component delivers precise fitment and reliable performance in high-performance engines.

The **OEM Suzuki Washer 09164-16002** is a precision-engineered replacement component designed for seamless installation on compatible Suzuki models. Manufactured to stringent quality standards, this washer ensures optimal sealing and durability in applications requiring reliable fluid or air management.

Key specifications include a **nominal diameter of 16.0mm (0.630 in)** and a **thickness of 2.0mm (0.079 in)**, ensuring precise compatibility with original equipment specifications. Engineered from high-quality materials, this washer delivers consistent performance and long-term reliability in demanding automotive environments.