HONDA 55100GR1000 Oil Tank SE50 Level Sensor

( Manufacturer Part Number: 55100GR1000 ), ( Part Type: Oil Tank ), ( Compatible Model: Se50p ), ( Universal Fitment: No ), ( Vintage Part: Yes ), ( Country Of Origin: Japan )

Review HONDA Oil Tank Assy Level Sensor fits ELITE 1987–1989

The **Honda 55100-GR1000 (1987 1989 Elite SE50) Oil Tank Level Sensor** is a precision-engineered component designed exclusively for Honda s iconic 1,000cc liquid-cooled, four-stroke motorcycle models, including the legendary **GR1000** and its high-performance variants like the **Elite SE50**. This sensor plays a critical role in the motorcycle s fuel management system, ensuring accurate monitoring of oil levels within the tank to optimize engine performance, longevity, and reliability. Crafted from durable materials, including high-grade plastic and corrosion-resistant metal contacts, this sensor is built to withstand the demanding conditions of high-speed riding, extreme temperatures, and prolonged exposure to fuel vapors. Its sleek, compact design integrates seamlessly with the original equipment, maintaining the aesthetic and functional integrity of the motorcycle s fuel system. The sensor operates on a simple yet effective principle: as oil levels fluctuate within the tank, the sensor s internal float mechanism adjusts, sending precise electrical signals to the motorcycle s fuel gauge or ECU (if equipped). This real-time feedback allows riders to maintain optimal oil levels, preventing potential engine damage from either overfilling or underfilling, which can lead to fuel starvation, poor lubrication, or even catastrophic failure. For restoration enthusiasts, customizers, or mechanics working on these classic Honda models, this sensor is an essential replacement part, ensuring compatibility with the original wiring harness and mounting points. Its straightforward installation typically involving the removal of the fuel tank cap, disconnecting the wiring connector, and securing the new sensor in place makes it an accessible upgrade for those seeking to preserve or enhance their motorcycle s functionality. Whether restoring a showroom-fresh 1987 GR1000 or maintaining a well-loved 1989 Elite SE50, this oil tank level sensor is a small yet vital component that contributes to the overall health and performance of one of Honda s most legendary sport-touring motorcycles.

### **Pros and Cons of Buying a 1987-1989 Honda 55100GR1000 (Elite SE50) with Oil Tank Level Sensor**

#### **Pros**

1. **Reliability and Durability** The Honda 55100GR1000 (a 1000cc four-stroke engine) is known for its robust construction and long-lasting performance. Honda engines from this era were built to withstand heavy use, making them a solid choice for off-road, agricultural, or industrial applications.

2. **Fuel Efficiency** Compared to many gasoline engines of similar power, the GR1000 is relatively fuel-efficient, especially when properly maintained. This can reduce operating costs over time.

3. **Ease of Maintenance** Honda engines from this period are well-documented, with readily available parts. Basic maintenance tasks like oil changes, spark plug replacements, and carburetor adjustments are straightforward for mechanics or DIY enthusiasts.

4. **Proven Performance** The 1000cc displacement provides strong torque and power, making it suitable for heavy-duty tasks such as generators, pumps, or pressure washers. The engine was designed for durability, meaning it can handle prolonged use without frequent breakdowns if cared for properly.

5. **Oil Tank Level Sensor (Optional Feature)** The inclusion of an oil level sensor (common in the Elite SE50 model) adds convenience by allowing operators to monitor oil levels electronically, reducing the risk of running the engine dry a common cause of catastrophic failure in older engines.

6. **Resale Value and Community Support** Honda s reputation for longevity means these engines hold value better than many competitors. There is also a strong community of owners and mechanics who can provide troubleshooting advice or parts.

7. **Versatility** The engine can be adapted for various applications, from generators to marine use, making it a flexible purchase for those with multiple needs.

---

#### **Cons**

1. **Age and Wear** Engines from 1987-1989 are now over 30 years old. Even with proper maintenance, wear and tear are inevitable. Critical components like pistons, bearings, and seals may eventually fail, requiring costly repairs or replacement.

2. **Electronic and Sensor Reliability** While the oil level sensor is a useful feature, older electronic components can fail or become unreliable over time. The sensor itself may need calibration or replacement, adding maintenance complexity.

3. **Carburetion Challenges** Older carburetors (such as the Mikuni or Keihin models used in these engines) are prone to clogging, leaks, or performance degradation due to fuel quality and age. Cleaning or replacing them can be time-consuming and expensive.

4. **Emissions and Environmental Concerns** These engines were not designed with modern emissions standards in mind. Running them in areas with strict air quality regulations may require modifications or could be prohibited in some locations.

5. **Fuel and Oil Compatibility Issues** Older engines often require specific fuel and oil formulations. Modern fuels (especially with higher ethanol content) can damage gaskets and seals, while synthetic oils may not be compatible with certain components. Using the wrong fluids can lead to premature failure.

6. **Limited Warranty and Support** Honda no longer offers warranties or official support for engines this old. Any repairs or replacements must be done out-of-pocket, and finding OEM parts can be difficult, though aftermarket options exist.

7. **Noise and Vibration** Without modern soundproofing or vibration-damping technology, these engines can be loud and rough-running compared to newer models. This may be an issue if noise restrictions apply to your intended use.

8. **Potential for Hidden Damage** Without a thorough inspection, hidden issues such as cracked blocks, worn crankshafts, or internal corrosion may go unnoticed until they cause failure. Buying used always carries the risk of past neglect.

---

### **Conclusion**

The **1987-1989 Honda 55100GR1000 (Elite SE50) with an oil tank level sensor** is a **strong, reliable engine** that excels in durability and performance for heavy-duty applications. Its Honda heritage ensures it will outlast many competitors, and the oil level sensor adds a modern convenience that reduces the risk of catastrophic failure. However, its age introduces risks such as **unpredictable wear, carburetion issues, and compatibility problems with modern fuels**. If you are prepared for **regular maintenance, potential repairs, and the possibility of part shortages**, this engine can be an excellent long-term investment.

For **casual or occasional use** (e.g., a backup generator or occasional off-road power), the GR1000 is a **solid choice**. For **heavy-duty, continuous operation**, consider whether newer Honda engines (such as the GX series) or well-maintained diesel alternatives might offer better long-term reliability with lower maintenance demands.

---

### **Recommendation**

- You need a **durable, high-torque engine** for demanding applications.

- You are **comfortable with maintenance** (oil changes, carburetor tuning, sensor checks).

- You plan to **use it sparingly** and can afford occasional repairs.

- The **oil level sensor** is a priority for convenience.

- You can **verify its service history** and inspect it thoroughly before purchase.

- You require **modern emissions compliance** or plan to use it in regulated areas.

- You cannot access **reliable maintenance support** or spare parts.

- You expect **low-cost, hassle-free operation** this engine will require attention.

- You are unsure about **fuel and oil compatibility**, as incorrect fluids can void warranties (if any) and cause damage.

**Final Verdict:** This engine is a **great value for those who appreciate Honda s engineering and are willing to invest time in upkeep**. For those seeking **plug-and-play reliability**, a newer model may be preferable. Always **inspect thoroughly, test-run, and confirm maintenance records** before purchasing.

Details:

See pics for more details. Good shape and includes what you see. 1987 1988 1989 Elite SE50 Oil Tank Assay w/ Level Sensor, 55100GR1000. Fast, secure shipping with combined rates to save you money.

part #: 55100gr1000 prices

• $19.78-$20.70

specifications cyclevintagee:

• for models: Elite
• for makes: Honda
• for years: 1987-1989
• mpn: 55100gr1000
• part type: Oil Tank
• compatible model: Se50p
• universal fitment: No
• vintage part: Yes
• country of origin: Japan

offer cyclevintagee:

• started: February 13, 2026
• sold: 0
• best offers: True
• quantity: 1
• availability: In Stock
• options: Ship-to-home

shipping cyclevintagee:

• type: Fixed
• cost: $0.00
• service: Economy
• transit: 5-8 Days
• class: Economy

seller cyclevintagee:

• # reviews: 8449
• city: Jeddo, Michigan
• rating: 100.0%

payments cyclevintagee:

• cash
• credit card: Visa
• other
• wallet: Paypal

returns cyclevintagee:

• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

general cyclevintagee:

• Parts Accessories > Motorcycle Scooter Parts Accessories > Other Motorcycle Scooter Parts Accessories
• condition: Used

Honda 55100GR1000 Is Similar To:

• 00-000-00 Honda Ct Trail Auxiliary Spare Canteen Gas Fuel Tank Oem (31.2% similar) Honda CT90 CT110 auxiliary canteen gas tank used good condition auxiliary tank bracket strap included gas capsicums as pictured...(August 14th, 2018)
• 000-0000 Honda Motor Company Motorcycle Factory Oem Working Tachometer With Hardware (27.7% similar) The teach was tested and is in good working condition. It measures 75 across the face. On the backside it has in stamped case. This is a factory tachometer from 1970 S honda CB750 motorcycle...(May 30th, 2018)
• 001-5000 Stanley Honda Elite Head Light Assembly Beam Scooter (36.8% similar) Decent overall condition, both beams work no structural damage to the housing or lens. Missing adjustment rod. Typical wear to the original finish. Original equipment headlight assembly, from a 1987 honda CH150 elite...(June 22nd, 2018)
• 11201-mf2-710 Honda Interceptor Oil Pan Upgrade Kit Oem (33.8% similar) 3 - one TOTAL91308-MA6 o-ring 14. Shipping in a sturdy box via USPS priority mail. The oil pan also has more cooling fins...(June 25th, 2018)
• 14500-028-000 Unbranded Honda Tensioner Cam Chain Oil Pump Other Parts (24.8% similar) 1975 honda ACT 90 cam chain, pensioner, oil pump, misc parts. Comes as is and untested. Comes with items in photo...(October 10th, 2018)
• 150ch Honda 1987 Ch125 Elite (35% similar) As shown no significant damage to speak off. Fast shipping. Good overall condition, small chip in plastic...(February 15th, 2018)
• 15100-383-000 Honda Oil Pump Assembly Hardware Cb (27.4% similar) Good oil pump out of a 78 honda CB125S will also fit certain years of: XL100 TL125S XL125 CT125...(August 4th, 2018)
• 15100-413-030 Honda Engine Oil Pump (25.5% similar) Last photo is of odometer that I sold earlier this year. Don't think you'll find much better used. Pump is in good shape. See photos bike had very low miles and was well maintained...(March 24th, 2018)
• 15110-273-000 Honda Oil Pump Body Part Nos (23.9% similar) ...(November 5th, 2018)
• 15291-256-300 Honda Nos Oem Oil (22.6% similar) Please look carefully before purchasing. In great condition. Consideration is an oem oil pump gasket...(September 18th, 2017)
• 15650-292-010 Honda Chrome Engine Oil Dipstick Obsolete Part (29.6% similar) May fit other model's item is in excellent condition...(July 4th, 2018)