


Aftermarket Honda PCX 125 Fuel Pump Unit Assembly (16700-K1Z-J11) | 2021-2025
Running a Workshop or Delivery Fleet? Unlock Up to 75% Trade Discount.
Discover the ultimate upgrade for your motorcycle.
Designed with precision engineering, this offers unmatched performance and durability.
This performance-grade, Honda aftermarket Fuel Pump Unit Assy (16700-K1Z-J11) provides a precise fit for 2021-2025 Honda PCX 125 models, matching the fuel pressure requirements for peak mechanical efficiency. Designed to handle the demands of daily riding, it serves as a secure replacement that prevents stalling and ensures a clean, responsive engine feel.
Vetted by our Lead Engineer. Leveraging 30 years of mechanical pedigree, every part is inspected for material density and exact tolerances to ensure a 'Right-First-Time' fit.
Guaranteed fitment for Honda PCX125 or free returns.
Delivery Information
Orders placed before 12:00pm (UK time) are usually dispatched the same working day. Orders placed after this time will be dispatched on the next working day.
In the rare event of a stock shortage, we will notify you promptly and issue a full refund within one working day if the item cannot be supplied.
Once dispatched, tracking information will be provided via email, provided valid contact details are supplied at checkout.
While we aim to meet all estimated delivery times, delays may occasionally occur due to circumstances beyond our control, such as courier issues, weather conditions, or operational disruptions. Should this happen, we will keep you informed.
Delivery Areas
We currently deliver to:
• United Kingdom
• Republic of Ireland
• Isle of Man
• Jersey & Channel Islands
• Most European destinations
If you are unsure whether we deliver to your location, please contact us prior to placing your order.
Verified UK Entity #15361806 operating from our NW10 London Logistics Hub. Skip the wait with express workshop pickup.

Product Compatibility
Compatibility charts are for reference only. Please compare part numbers and manufacturers' details. Contact us before ordering if unsure to avoid delays or refund charges.
Trademark Disclaimer: All trademarks, brand names, and logos remain the property of their respective owners and are used solely for identification and compatibility purposes. We are an independent retailer and are not affiliated with any authorized dealer or distributor.
- 16700- K1Z-J11
_
- PCX125
- 2021
- 2022
- 2023
- 2024
- 2025
- Honda
- 125
- PCX125
- NEW
Product Overview
This high-quality Aftermarket Fuel Pump Unit Assy is designed to meet or exceed factory performance standards and is suitable for the Honda PCX125 (2021-2025).
The Fuel Pump Unit Assy draws fuel from the tank and delivers it to the fuel injector at the correct pressure required for reliable engine operation. A failing or worn fuel pump causes hard starting, hesitation, stuttering under load, loss of power, or a no-start condition if the pump fails completely. This aftermarket replacement is designed to match the original part, restoring reliable fuel delivery and engine performance to your Honda PCX125.
- Brand New Aftermarket Fuel Pump Unit Assy
- Part Number: 16700-K1Z-J11
- Compatible replacement for the Honda PCX125 (2021-2025)
- Draws fuel from the tank and delivers it at the correct pressure for reliable fuel injection
- Restores reliable engine starting, smooth running, and full power delivery
- Eliminates hard starting, hesitation, and power loss for reliable performance
- Direct fit, no modification required
- Recommended for replacement during fuel system service or when hard starting, hesitation, or fuel pressure loss is diagnosed
- London: Express same-day delivery (2-3 hours)
- Rest of UK: Same-day dispatch on orders before 1 PM (3-4 business days delivery).
- Up to 75% off for B2B Trade Accounts. Independent UK garages, apply now.
• Honda PCX125 owners with hard starting, hesitation, stuttering, or loss of power caused by a worn or failing fuel pump
• Replacing the Fuel Pump Unit Assy during fuel system service or when fuel pressure loss is diagnosed
• Mechanics and workshops carrying out Honda PCX125 fuel system servicing
• Riders wanting to restore the original fuel delivery and engine performance of their Honda PCX125
• Anyone looking for a quality aftermarket replacement for their Honda PCX125
Complete Part Guide
The fuel pump unit on your Honda PCX125 2021-2025 is the heart of the fuel injection system, maintaining the high pressure required for the engine to run efficiently. If this unit begins to fail, you'll likely encounter a "limp mode" feeling, poor acceleration, or a total refusal to start after the bike has been sitting in the sun. This trade-grade, Honda aftermarket replacement (16700-K1Z-J11) provides the steady flow rate required to protect your bike's engine from lean-running damage. Physically stocked at Part Hive's London warehouse, complete your order before 1 PM for same-day UK dispatch.
The 16700-K1Z-J11 fuel pump is the heart of the fuel injection system for 2021-2025 Honda PCX-125 models, maintaining precise rail pressure during heavy acceleration. We frequently see these newer units suffering from intermittent power loss, which many riders mistake for a simple ignition fault. When we perform a pressure test under load, we often find the motor is failing to keep up with demand due to internal sediment bypass. This performance-grade, Honda aftermarket pump restores the consistent, high-volume flow needed to prevent "lean-out" at high RPMs and ensures the fuel injectors remain protected from debris and guarantees the snappy throttle response required for navigating busy London junctions.
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