
Original Honda PCX 125 Fuel Pump Unit Assembly (16700-K1Z-J11) | 2021-2025
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Discover the ultimate upgrade for your motorcycle.
Designed with precision engineering, this offers unmatched performance and durability.
The original Fuel Pump Unit Assembly (16700-K1Z-J11) is the fuel delivery system for the Honda PCX 125 (2021-2025 models). Specifically calibrated for their engines, this original pump assembly maintains the precise high-pressure fuel rail environment required for optimal fuel atomization and efficiency.
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
- A
- PCX125
- NEW
Product Overview
This high-quality Original Fuel Pump Unit Assy is designed to meet or exceed factory performance standards and is suitable for Honda PCX125 2021-2025 models.
The Fuel Pump Unit Assy is responsible for drawing fuel from the tank and delivering it under correct pressure to the fuel injection system. A failing or failed fuel pump results in hard starting, erratic idling, loss of power or complete failure to start. This original replacement is manufactured to original factory specifications, ensuring correct fitment and reliable fuel delivery and engine performance.
- Brand New Original Fuel Pump Unit Assy
- Part Number: 16700-K1Z-J11
- Original replacement for Honda PCX125 (2021-2025)
- Delivers fuel at correct pressure to the fuel injection system
- Restores reliable starting, smooth idling and engine performance
- Prevents hard starting or no-start caused by a failed or failing fuel pump
- Essential for fuel system repair or engine overhaul
- Direct fit, no modification required
- 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 experiencing hard starting, erratic idling or fuel delivery issues
• Replacing a failed or failing Fuel Pump Unit Assy
• Mechanics and workshops carrying out Honda PCX125 fuel system repairs or overhauls
• Riders wanting to restore correct fuel delivery and reliable engine performance
• Those seeking a guaranteed original replacement for the Honda PCX125
Complete Part Guide
The fuel pump unit on your Honda PCX125 2021-2025 models is the primary pressure source for the fuel injection system. Because the engine relies on tight injection timing, a failing pump will cause "flat spots" during acceleration, difficult hot starting, or intermittent stalling in traffic. This original Honda replacement (16700-K1Z-J11) ensures your fuel system meets factory-spec pressure. In stock at Part Hive's London warehouse, order before 1 PM for guaranteed same-day UK dispatch.
We frequently find the 2021-2025 Honda PCX-125 models with "mysterious" power loss at high RPM, which we often trace back to a 16700-K1Z-J11 pump motor that is struggling to keep up with demand. When diagnosing these fuel issues, we listen for a labored priming cycle when the ignition is switched on. A high-pitched whine or a silent tank usually indicates the internal regulator or motor has perished. It's a recurring mistake to ignore the fuel pump and only change the spark plug when the bike is "bogging" under load. This original Honda Fuel Pump provides the exact flow rate and durability needed to prevent lean-running damage, replacing weak, noisy, or failed fuel pump assemblies.
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