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SWIFTFIXTOOLS OEM PARTS & HARDWARE DIRECTORY
MOTORCYCLE 100% Guaranteed Fitment

Crankshaft Rm100a

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1977 suzuki rm100
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Quick answer: The Crankshaft Rm100a for the 1977 1977 suzuki rm100 (MOTORCYCLE) consists of 40 OEM components. 15 are currently matched to live Amazon/eBay listings, priced from $7.00–$50.59.
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These genuine OEM Suzuki piston rings are engineered for 1969-76 TM/RM/AC/TS 100cc models. Part number 12140-28630-050 provides a 2nd-stage ring set with a 0.25mm oversize for precise fitment and optimal compression. Each set includes four rings designed to enhance engine longevity and performance in high-demand applications.

Manufactured to Suzuki's exacting standards, these piston rings ensure consistent sealing and reduced oil consumption. The 0.25mm oversize specification allows for minor cylinder wear while maintaining factory clearances. Ideal for restoration or performance upgrades, these rings are an exact replacement for original equipment, delivering reliable durability and power output.

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Genuine new old stock (NOS) piston rings designed for 1976 to 1978 Suzuki RM100 models. These replacement rings are manufactured to OEM specifications, ensuring precise fitment and optimal engine performance. Compatible with stock components, they provide reliable sealing and combustion efficiency for restored or original RM100 motorcycles.

Each set includes the necessary rings for cylinder bore diameters specified by the manufacturer. These piston rings are intended for standard applications and require professional installation to maintain engine integrity. No modifications or additional machining are necessary when used as intended.

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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.

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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.

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High-quality genuine OEM piston pin circlips designed for Suzuki engines. Engineered to exacting standards, these circlips ensure precise retention of piston pins, maintaining optimal engine performance and reliability. Each set includes two circlips, providing a complete solution for installation.

Manufactured from durable spring steel, these circlips feature a robust design that resists wear and deformation under high-stress conditions. The precise fitment and high-quality materials guarantee long-lasting performance, minimizing the risk of engine damage due to pin displacement. Suitable for a wide range of Suzuki engine models, these OEM components meet or exceed original equipment specifications.

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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.

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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.

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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.

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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.

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The genuine Suzuki Crankshaft Pin 12211-48001 is an OEM-quality component engineered for direct replacement in compatible Suzuki engines. Designed to maintain precise crankshaft alignment, this pin ensures optimal engine performance and durability under standard operating conditions.

Crafted from high-grade alloy steel, the pin meets Suzuki’s strict manufacturing standards for strength and dimensional accuracy. Compatible with select Suzuki models, installation requires proper alignment and torque specifications to guarantee proper fitment and functionality. Always verify application compatibility prior to replacement.

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This product includes a set of two genuine Suzuki OEM oil seals, part number 09283-26007. Designed for compatibility with Suzuki motorcycle models TC125, TM125, and TS185, these seals ensure optimal performance and reliability in transmission systems.

Constructed with high-quality materials, the oil seals measure 26mm in inner diameter, 52mm in outer diameter, and 8mm in width. They provide a secure fit to prevent oil leakage and contamination, maintaining proper lubrication for extended component life. Each seal is manufactured to meet OEM specifications for precise fitment and durability.

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This OEM-grade DS100 Main Crank Shaft Bearings & Seal Kit includes components designed for compatibility with 1978 through 1981 Suzuki motorcycles. The kit features high-quality bearings and seals to ensure optimal engine performance and longevity.

Specifically, this kit includes bearings part numbers 09262-20073 and 09262-25049, providing a precise fit for the engine’s main crankshaft. Engineered for durability, these components meet or exceed original equipment specifications, ensuring reliable operation under demanding conditions. Suitable for restoration or maintenance projects, this kit offers a cost-effective solution for precise engine assembly.

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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.

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The Suzuki Primary Drive Gear Nut (Part No. 09140-18002) is an OEM-grade component engineered for direct replacement in compatible Suzuki motorcycle models. Precision-machined from high-strength steel, this nut ensures secure fastening of the primary drive gear assembly, maintaining proper torque specifications and reducing the risk of loosening under vibration.

Designed to meet stringent OEM quality standards, the nut features a durable coating for enhanced corrosion resistance and long-term durability. Compatible with models requiring this specific part number, it is ideal for maintenance, repairs, or rebuilds where factory-grade reliability is essential.

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Precision-engineered crankshaft repair elements designed for OE compatibility with SUZUKI applications. This kit includes all necessary components to restore crankshaft integrity, ensuring reliable performance and extended service life. Engineered to meet or exceed original equipment specifications for seamless integration and optimal functionality.

Manufactured from high-grade materials to ensure durability and resistance to wear under demanding operating conditions. Each component is precision-machined to exact tolerances, providing a perfect fit and reliable performance. Suitable for professional repairs and maintenance, this kit is a cost-effective solution for restoring crankshaft function without compromising quality or safety.

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Exact factory OEM # 12110-28614-050 may be temporarily out of stock in official store listings.
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17

NO DESCRIPTION AVAILABLE | OS:0.25

Exact OEM Stock Low
OEM Ref: 12110-28614-025
Also fits 2 other vehicles
Exact factory OEM # 12110-28614-025 may be temporarily out of stock in official store listings.
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Exact factory OEM # 12110-28614 may be temporarily out of stock in official store listings.
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19

PISTON *{OS:0.25}*

Exact OEM Stock Low
OEM Ref: 12110-28770
Also fits 2 other vehicles
Exact factory OEM # 12110-28770 may be temporarily out of stock in official store listings.
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20

PISTON *{OS:0.5}*

Exact OEM Stock Low
OEM Ref: 12110-28623
Also fits 2 other vehicles
Exact factory OEM # 12110-28623 may be temporarily out of stock in official store listings.
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21

NO DESCRIPTION AVAILABLE | OS:0.25

Exact OEM Stock Low
OEM Ref: 12140-28630-025
Also fits 2 other vehicles
Exact factory OEM # 12140-28630-025 may be temporarily out of stock in official store listings.
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22

RING SET, PISTON *{OS:0.25}*

Exact OEM Stock Low
OEM Ref: 12140-28750
Also fits 2 other vehicles
Exact factory OEM # 12140-28750 may be temporarily out of stock in official store listings.
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Exact factory OEM # 12140-28640 may be temporarily out of stock in official store listings.
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Exact factory OEM # 12200-41001 may be temporarily out of stock in official store listings.
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Exact factory OEM # 12161-12000 may be temporarily out of stock in official store listings.
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Exact factory OEM # 12221-28002 may be temporarily out of stock in official store listings.
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Exact factory OEM # 12221-28003 may be temporarily out of stock in official store listings.
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Exact factory OEM # 12261-41000 may be temporarily out of stock in official store listings.
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Exact factory OEM # 09262-20009 may be temporarily out of stock in official store listings.
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Exact factory OEM # 09283-25037 may be temporarily out of stock in official store listings.
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Exact factory OEM # 08221-25363 may be temporarily out of stock in official store listings.
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Exact factory OEM # 08222-25366 may be temporarily out of stock in official store listings.
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Exact factory OEM # 21111-41000 may be temporarily out of stock in official store listings.
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Exact factory OEM # 09164-18001 may be temporarily out of stock in official store listings.
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Crankshaft Rm100a — Frequently Asked Questions

What OEM parts are included in the Crankshaft Rm100a for the 1977 suzuki rm100?

The Crankshaft Rm100a for the 1977 suzuki rm100 includes 40 individual OEM components, each listed below with its exact OEM part number.

How much does the Crankshaft Rm100a cost for the 1977 suzuki rm100?

Individual components in this assembly currently range from $7.00–$50.59, based on live Amazon and eBay listings. See the price comparison below for each part.

Will these OEM parts fit other 1977 suzuki rm100 model years or trims?

Manufacturers frequently reuse the same physical part across multiple model years and trims, so a given OEM part number can be compatible with more than just this exact vehicle — search the OEM number directly to see every vehicle it fits.

What is the OEM part number for RING SET, PISTON | OS:0.5 on the 1977 suzuki rm100?

The OEM part number for the RING SET, PISTON | OS:0.5 (part of the Crankshaft Rm100a assembly) on the 1977 suzuki rm100 is 12140-28630-050.

Does OEM part 12140-28630-050 fit the 1977 suzuki rm100?

Yes — OEM 12140-28630-050 is listed as the RING SET, PISTON | OS:0.5 for the 1977 suzuki rm100 (1977), part of the Crankshaft Rm100a assembly.

Which parts are included in the Crankshaft Rm100a?

RING SET, PISTON | OS:0.5, RING SET, PISTON, PIN, PISTON, PIN,PISTON, CIRCLIP, BEARING, ROLLR BRG,14X18, CONNECTING ROD, and 32 more — see the full list below.

What other vehicles use OEM part number 12140-28630-050?

OEM 12140-28630-050 (RING SET, PISTON | OS:0.5) also fits 11 other vehicles in this catalog, including 1974 suzuki contender-tm100 — Piston, 1975 suzuki contender-tm100 — Piston, 1976 suzuki rm100 — Crankshaft Rm100a.

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eBay Est. Total
$263.85