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SWIFTFIXTOOLS OEM PARTS & HARDWARE DIRECTORY
MOTORCYCLE 100% Guaranteed Fitment

Crankshaft Rm100b

Selected Vehicle
1978 suzuki rm100
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Quick answer: The Crankshaft Rm100b for the 1978 1978 suzuki rm100 (MOTORCYCLE) consists of 26 OEM components. 19 are currently matched to live Amazon/eBay listings, priced from $2.75–$103.04.
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Showing 26 Components
1
NO DESCRIPTION AVAILABLE | B,C; OS:0.5

NO DESCRIPTION AVAILABLE | B,C; OS:0.5

eBay Preferred
OEM Ref: 12110-41610-050
Also fits 2 other vehicles
NO DESCRIPTION AVAILABLE | B,C; OS:0.5

This genuine Suzuki RM100 piston and crankshaft kit, part number 12110-41610-050, is designed for optimal performance and durability in high-stress applications. The kit includes a precision-engineered piston with a 48.00 mm bore diameter and a high-strength crankshaft for reliable power delivery. Constructed from forged aluminum and hardened steel components, the assembly ensures long-lasting operation under demanding conditions.

Measuring 125.00 mm in length and 50.00 mm in width, the piston features a compression height of 25.00 mm, providing a balanced compression ratio for improved throttle response. The crankshaft is balanced to within ±2 grams for smooth engine operation, reducing vibration and extending component lifespan. This kit is essential for restoring or upgrading RM100 engines to factory specifications.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($14.94)
2
NO DESCRIPTION AVAILABLE | B,C; OS:0.25

NO DESCRIPTION AVAILABLE | B,C; OS:0.25

eBay Preferred
OEM Ref: 12110-41610-025
Also fits 2 other vehicles
NO DESCRIPTION AVAILABLE | B,C; OS:0.25

Original Equipment Manufacturer (OEM) piston and ring set designed for the 1976 to 1978 Suzuki RM100B motorcycle. This set includes the piston assembly with model number 12110-41610-025 and corresponding ring set (12140-41610), ensuring exact fitment and performance for restored or rebuilt RM100B engines.

Manufactured to Suzuki’s precise tolerances, this piston and ring assembly is engineered for durability and optimal compression. The components are finished to OEM specifications, providing reliable operation in high-performance or stock configurations. Ideal for restoration projects, engine rebuilds, or routine maintenance requiring genuine Suzuki parts.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($19.99)
PISTON | B,C

Genuine OEM replacement piston and ring set designed for the 1976-1978 Suzuki RM100B motorcycle. This set includes the piston (Part #12110-41610-025) and corresponding rings (Part #12140-41610), ensuring precise fitment and factory-grade performance for rebuilt or stock engines.

Manufactured to original equipment specifications, this piston set is constructed from high-grade aluminum alloy with a forged design to withstand high RPM operation and maintain dimensional stability. The ring set features three-piece construction, optimized for gas sealing and oil control in two-stroke engine applications. Includes all necessary components for installation.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($19.99)
RING SET, PISTON (OS:0.5) | B,C; OS:0.5

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.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($35.00)
RING SET, PISTON (OS:0.25) | B,C; OS:0.25

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.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($16.92)
RING SET, PISTON | B,C

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.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($16.92)
Amazon Listing
Amazon listing photo

This precision-engineered Suzuki RN 16X21X19.6BR 09263-16015 replacement part is designed for optimal performance and longevity in marine engines and boat equipment. Each component is manufactured to meet strict quality standards, ensuring reliable functionality and compatibility with specified Suzuki models.

Please verify your vehicle’s model compatibility by cross-referencing the part number 09263-16015 and comparing the product images with your existing component before finalizing your purchase. No manufacturer warranty is included.

  • 0: For Suzuki RN 16X21X19.6BR 09263-16015
  • 1: Precisionengineered RN 16X21X19.6BR optimal performance and longevity for your vehicle.
  • 2: 0926316015 part number guarantees a perfect fit and compatibility with models, providing reliable functionality.
  • 3: Designed for reliable performance and accurate fit, helping keep your marine engine or boat equipment operating efficiently.
  • 4: To ensure proper compatibility, please confirm your model and compare the product photos and specifications before placing your order.
View on Amazon ($52.29) →
eBay Listing
eBay listing photo

This OEM Suzuki gasket set, part number 09263-16015, is precision-engineered for the RN model. Designed to deliver optimal sealing performance, it includes components specifically formulated for high-temperature and high-pressure applications in automotive engines.

The gasket dimensions are 16 x 21 x 19.6 mm, ensuring a perfect fit for critical engine interfaces. Constructed from high-quality materials, this replacement gasket set maintains the integrity of the engine’s combustion chambers and prevents leaks, extending the service life of the engine.

View on eBay ($16.60) →
ROD, CONNECTING | B,C

Genuine OEM connecting rod for SUZUKI RM100, RM125 (1975–1978), and RV125 (1975) models. This new-old-stock (NOS) replacement part ensures precise fitment and optimal performance in high-performance applications. Machined to exacting tolerances, the connecting rod facilitates smooth piston movement and maintains engine efficiency.

Designed for durability and longevity, the part is manufactured to SUZUKI’s original equipment specifications, ensuring compatibility with stock configurations and aftermarket upgrades. The connecting rod, bearing part number 12161-41301, is an essential component for maintaining engine integrity and power delivery in classic SUZUKI motocross and enduro models.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($79.99)
THRUST WASHER | B,C; 19x32x1

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.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($8.88)
PIN, CRANK | B,C

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.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($50.59)
BEARING | B,C

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.

Specifications

  • 0: For Suzuki RN 19X25X16 BRG 09263-19009
  • 1: RN 19X25X16 BRG 0926319009 designed for precise fit and durability in vehicle applications.
  • 2: materials reliable performance and longevity, meeting stringent quality for optimal functionality.
  • 3: Designed for reliable performance and accurate fit, helping keep your marine engine or boat equipment operating efficiently.
  • 4: To ensure proper compatibility, please confirm your model and compare the product photos and specifications before placing your order.
Exclusive Amazon Prime Stock

Ships directly from Amazon warehouses — not currently matched on eBay.

Order on Amazon ($60.95)
CRANKSHAFT, RH | B,C

This NOS (New Old Stock) genuine Suzuki crankshaft is an OEM part designed for the RM125 (1975-1976) and RM100 (1976-1978) models. Engineered to exacting Suzuki specifications, it ensures precise fitment and optimal performance for restored or classic Suzuki RM-series motorcycles. The crankshaft is manufactured to original equipment standards, delivering durability and reliability for demanding riding conditions.

Part number 12220-41300 guarantees authenticity and compatibility with your RM125 or RM100 project. This crankshaft is ideal for engine rebuilds, performance upgrades, or replacement of worn components. Packaged in protective OEM-style packaging, it arrives ready for installation in your motorcycle's crankcase assembly.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($94.89)
Amazon Listing
Amazon listing photo

This genuine Suzuki OEM bearing ensures optimal performance and reliability for your Suzuki RG500 G & CH motorcycle. Manufactured to meet strict Japanese standards, this bearing delivers consistent performance under demanding conditions.

Key specifications include a 22 mm inner diameter, 56 mm outer diameter, and 16 mm width, with part numbers 09262-22025-000 and 09262-22025. Verify compatibility by matching the part number or providing your vehicle identification number (VIN) to confirm fitment.

  • 0: This is a genuine Japanese part
  • 1: For Suzuki RG500 G & CH Bearing 22X56X16 09262-22025-000
  • 2: Part number: 09262-22025
  • 3: Please verify the compatibility before making a purchase
  • 4: To ensure fitment, match the part number or provide us your VIN
View on Amazon ($103.04) →
eBay Listing
eBay listing photo

The Suzuki OEM crankshaft and transmission bearing is engineered for reliable performance in the RM125 model. Constructed to meet original equipment specifications, this component ensures proper alignment and smooth operation of the engine's rotating assembly.

Designed for direct replacement, the bearing integrates seamlessly with existing hardware, providing durability and resistance to wear under demanding riding conditions. It is suitable for professional maintenance and service applications.

View on eBay ($70.00) →
BEARING, LH | B,C; 25x52x15

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.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($35.98)
OIL SEAL, LH | B,C; 24.2x44x7

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.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($13.25)
GEAR, PRIMARY DRIVE | C; NT:18

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.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($26.90)
WASHER | B,C

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.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($2.75)
Exact factory OEM # 12151-41600 may be temporarily out of stock in official store listings.
High Demand Part
Search Aftermarket / Compatible Fits

Looking for a direct-fit replacement from a compatible aftermarket brand?

Browse Amazon Compatible Parts →
Search Live Auctions & Used OEM Stock

Find New-Old-Stock (NOS), open-box deals, or verified salvage teardown parts.

Search Live Listings on eBay →
Exact factory OEM # 12200-41301 may be temporarily out of stock in official store listings.
High Demand Part
Search Aftermarket / Compatible Fits

Looking for a direct-fit replacement from a compatible aftermarket brand?

Browse Amazon Compatible Parts →
Search Live Auctions & Used OEM Stock

Find New-Old-Stock (NOS), open-box deals, or verified salvage teardown parts.

Search Live Listings on eBay →
Exact factory OEM # 12260-41301 may be temporarily out of stock in official store listings.
High Demand Part
Search Aftermarket / Compatible Fits

Looking for a direct-fit replacement from a compatible aftermarket brand?

Browse Amazon Compatible Parts →
Search Live Auctions & Used OEM Stock

Find New-Old-Stock (NOS), open-box deals, or verified salvage teardown parts.

Search Live Listings on eBay →
Exact factory OEM # 21111-41300 may be temporarily out of stock in official store listings.
High Demand Part
Search Aftermarket / Compatible Fits

Looking for a direct-fit replacement from a compatible aftermarket brand?

Browse Amazon Compatible Parts →
Search Live Auctions & Used OEM Stock

Find New-Old-Stock (NOS), open-box deals, or verified salvage teardown parts.

Search Live Listings on eBay →

Crankshaft Rm100b — Frequently Asked Questions

What OEM parts are included in the Crankshaft Rm100b for the 1978 suzuki rm100?

The Crankshaft Rm100b for the 1978 suzuki rm100 includes 26 individual OEM components, each listed below with its exact OEM part number.

How much does the Crankshaft Rm100b cost for the 1978 suzuki rm100?

Individual components in this assembly currently range from $2.75–$103.04, based on live Amazon and eBay listings. See the price comparison below for each part.

Will these OEM parts fit other 1978 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 NO DESCRIPTION AVAILABLE | B,C; OS:0.5 on the 1978 suzuki rm100?

The OEM part number for the NO DESCRIPTION AVAILABLE | B,C; OS:0.5 (part of the Crankshaft Rm100b assembly) on the 1978 suzuki rm100 is 12110-41610-050.

Does OEM part 12110-41610-050 fit the 1978 suzuki rm100?

Yes — OEM 12110-41610-050 is listed as the NO DESCRIPTION AVAILABLE | B,C; OS:0.5 for the 1978 suzuki rm100 (1978), part of the Crankshaft Rm100b assembly.

Which parts are included in the Crankshaft Rm100b?

NO DESCRIPTION AVAILABLE | B,C; OS:0.5, NO DESCRIPTION AVAILABLE | B,C; OS:0.25, PISTON | B,C, RING SET, PISTON (OS:0.5) | B,C; OS:0.5, RING SET, PISTON (OS:0.25) | B,C; OS:0.25, RING SET, PISTON | B,C, CIRCLIP | B,C, RN 16X21X19.6BR | B,C, and 18 more — see the full list below.

What other vehicles use OEM part number 12110-41610-050?

OEM 12110-41610-050 (NO DESCRIPTION AVAILABLE | B,C; OS:0.5) also fits 2 other vehicles in this catalog, including 1976 suzuki rm100 — Crankshaft Rm100b, 1977 suzuki rm100 — Crankshaft Rm100b.

Cross-Marketplace Price Tracker
Compare total assembly price across Amazon Prime vs. eBay Certified Sellers.
Amazon Est. Total
$216.28
eBay Est. Total
$540.52