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  3. HONDA 12100-918-010

HONDA 12100-918-010 Engine Cylinder 70 90CC

fits model: Atc. make: Honda. year: 1978–1990.

12100-918-010 Honda 70- 78 Oem Atc 90 Engine 90cc Cylinder

( Part Type: Engine Cylinder ), ( Country Of Origin: Japan ), ( Machine Type: Atv ), ( Color: Black ), ( Manufacturer Part Number: 12100-918-010 ), ( Compatible Model: Atc 90 ), ( Universal Fitment: No ), ( Vintage Part: Yes ), ( Compatible Year: 1978, 1977, 1976, 1975, 1974, 1973, 1972, 1971, 1970 )

Review HONDA 70 Oem Engine Cylinder fits ATC 1978–1990

Introducing the Honda 90cc ATV Engine, specifically modeled as the 12100-918-010. This engine is a powerful and reliable addition to any all-terrain vehicle (ATV). With a cylinder capacity of 90 cubic centimeters, this engine delivers impressive torque and horsepower to tackle various terrains with ease.

The Honda 12100-918-010 engine is designed for off-road usage and is suitable for ATVs with a 70 to 78cc frame. It boasts an air-cooled, four-stroke design, ensuring efficient power delivery and reduced emissions. The engine features a single overhead camshaft (SOHC) design, which optimizes valve actuation for improved power and torque.

This engine comes equipped with a carburetor fuel delivery system. The carburetor is specifically tuned to provide a consistent fuel-air mixture for optimal combustion. The engine also sports a manual choke system, allowing for easy cold starts.

The Honda 12100-918-010 ATV Engine is known for its robustness and durability. It is manufactured with high-quality materials and precise engineering to ensure long-lasting performance. The engine features a forged crankshaft and a chrome-plated cylinder liner to provide increased durability and resistance to wear.

The engine also includes a convenient electric starter system, allowing for easy starting in various conditions. Additionally, it comes with a 3-bolt connection pattern for the crankshaft and a 4-bolt connection pattern for the cylinder, ensuring a secure fit and easy installation.

In summary, the Honda 12100-918-010 90cc ATV Engine is an excellent choice for those seeking a powerful, reliable, and durable engine for their ATV. With its impressive torque, efficient fuel delivery system, and robust design, this engine is sure to provide an unforgettable off-road experience.

The Honda 12100-918-010 70 78 ATC 90 engine is a small, single-cylinder, air-cooled engine designed for all-terrain vehicles (ATVs) and other similar applications. This engine has a displacement of 90 cc and is known for its reliability, durability, and performance. However, like any other engine, it has its pros and cons.

Pros:

1. Fuel Efficiency: The Honda 12100-918-010 engine is known for its excellent fuel efficiency, which can save you money in the long run.

2. Power: Despite its small size, this engine delivers decent power and torque, making it suitable for various ATV applications.

3. Durability: Honda engines are known for their durability, and this engine is no exception. It can handle rough terrain and heavy use.

4. Easy to Maintain: This engine is easy to maintain and repair, which can save you time and money.

5. Quiet Operation: The engine operates quietly, which can make for a more enjoyable riding experience.

Cons:

1. Limited Power: The engine may not be suitable for high-performance applications or heavy loads, as it only delivers decent power.

2. Air-Cooled: Air-cooled engines can overheat in extreme conditions, which can affect performance and durability.

3. Carbureted: The engine is carbureted, which may require more frequent maintenance and tuning compared to fuel-injected engines.

Conclusion:

The Honda 12100-918-010 70 78 ATC 90 engine is a reliable and durable option for those looking for a small, fuel-efficient engine for their ATV or similar application. Its decent power and torque, ease of maintenance, and quiet operation make it an attractive choice. However, its limited power, air-cooling system, and carburetion may be a drawback for some users.

Recommendation:

If you're looking for a small, fuel-efficient engine for your ATV or similar application and prioritize reliability, durability, and ease of maintenance, the Honda 12100-918-010 70 78 ATC 90 engine is a solid choice. However, if you require more power or prefer a more advanced cooling system, you may want to consider other options. Ultimately, the decision depends on your specific needs and preferences.

part # 12100918010 prices

  • $75.00-$494.99

specifications atvsienna:

  • for models: Atc
  • for makes: Honda
  • for years: 1978-1990
  • part type: Engine Cylinder
  • country of origin: Japan
  • machine type: Atv
  • color: Black
  • manufacturer part number: 12100-918-010
  • compatible model: Atc 90
  • universal fitment: No
  • vintage part: Yes
  • compatible year: 1978, 1977, 1976, 1975, 1974, 1973, 1972, 1971, 1970

returns atvsienna:

  • policy: No Returns

shipping atvsienna:

  • carrier: UPS
  • service: UPS Ground
  • type: Fixed
  • cost: $0.00
  • class: Standard
  • transit: 4-8 Days

seller atvsienna:

  • rating: 99.7%
  • # reviews: 662

offer atvsienna:

  • quantity: 1
  • options: Ship-to-home
  • availability: In Stock
  • best offers: True
  • sold: 0
  • started: February 19, 2026

general atvsienna:

  • condition: Used
  • ATV, Side-by-Side UTV Parts Accessories > Engines Engine Parts > Other Engine Parts

payments atvsienna:

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for models: atc, for makes: honda, for years: 1978-1990, part type: engine cylinder, country of origin: japan, machine type: atv, compatible model: atc 90, universal fitment: no, vintage part: yes, compatible year: 1978, 1977, 1976, 1975, 1974, 1973, 1972, 1971, 1970,
category: atv parts > atv, side-by-side utv parts accessories > engines engine parts > engine parts, color: black, sku: 11978167020732853,

Honda 12100-918-010 Is Similar To:

atvsienna logo
5 offers $75.00–$494.99 USD
  • Offer #1: $75.00 price + $16.69 delivery = $91.69* total.+$16.69 shipping
  • Offer #2: $377.99 price + $23.25 delivery = $401.24* total. This cylinder has been cleaned, bored and honed to OEM specs. +2mm, 52mm WIDE FLANGE cylinder with matching piston kit for 1972-1979 Honda ATC90 & CT90 bikes.+$23.25 shipping
  • Offer #3: $494.99 price + $20.27 delivery = $515.26* total.+$20.27 shipping
  • Offer #4: $179.95 price + free delivery = $179.95* total. As pictured original OEM Japan made part Used, scuffed.FREE SHIPPING
  • Offer #5: $475.99 price + $25.00 delivery = $500.99* total. 1973-1978 Honda ATC 90 cylinder jug piston gaskets top end rebuild kit. Factory Honda cylinder bored to fit new K&L 108cc +5mm big bore piston kit.+$25.00 shipping