GromPumps Modified Oil Pump for Wheelies – 2022+ Honda Grom & Monkey (5-Speed JC92)

GromPumps Modified Oil Pump – 2022+ Honda Grom & Monkey 5-Speed (JC92)

GromPumps are new OEM Honda Grom oil pumps with the pickup location modified to stay fully submerged in oil — whether you're on the kickstand warming up or holding a balance point wheelie. Built specifically for stunt riders who need reliable oil delivery when it matters most.

Why GromPumps?

• 5/16" aluminum pickup tube — closely matches the ID of the stock oil pathways for maximum flow. Competing pumps use a restrictive 1/4" copper tube; GromPumps don't cut corners.
• Brazed aluminum construction — the new pickup tube is brazed in place with AL rod and fully sealed to eliminate air leaks. No JB Weld. Ever.
• Pre-primed with light assembly grease and ready to install out of the box.
• New OEM pump modified in-house — aluminum pump, aluminum case, aluminum tube. All matched materials for longevity.

2022+ Oil Flow Disclaimer

The 2022+ engine has a different oil flow design than previous generations. At balance point (BP), oil flow is sufficient — no issues there. However, if you're riding a 12 o'clock bar straight up for extended periods, the modified stock pump design has a known limitation: it can supply oil for a period of time before starving. This means extended rev-limiter coaster scrapes at full vertical are not recommended. GromPumps have been street-tested and compared against competing options — and deliver the best flow currently available for this platform. If you have questions about your specific setup, reach out before ordering.

Fitment

• Make: Honda
• Models: Grom 125 (JC92), Monkey 125
• Years: 2022+ (5-Speed only)
• Note: For OG/SF Grom (2013–2020), see the separate GromPumps listing.