CYCLEMAX Oil Change Kit for Honda Grom 125 (2021–2025) — GN4 10W-30, OEM Filter & Washer

Complete Cyclemax oil change kit with OEM GN4 10W-30 oil, genuine Honda filter, drain crush washer, and disposable funnel designed for 2021–2025 Honda Grom 125 models.

This Cyclemax Standard Oil Change Kit combines the exact oil grade and genuine OEM components recommended for Honda Grom 125 bikes produced between 2021 and 2025. The kit includes one quart of Honda GN4 10W-30 motorcycle oil, an OEM Honda oil filter (15412-MGS-D21), a 12mm drain plug crush washer, and a convenient disposable funnel—everything needed for a routine oil change at home or in the shop.

What exactly is included in the kit and why does it matter?

The kit packages components matched to Honda specifications so you avoid mix-ups and compatibility problems. Using the recommended GN4 10W-30 oil and the correct OEM filter helps maintain proper lubrication and cleaning performance for your Grom’s engine and transmission.

• 1 quart Genuine OEM Honda GN4 10W-30 motorcycle oil
• 1 Genuine OEM Honda oil filter part 15412-MGS-D21
• 1 replacement 12mm drain plug crush washer
• 1 disposable funnel for spill-free oil transfer

How does this kit simplify doing an oil change on a Grom 125?

The kit consolidates all small parts and the right oil into one box so you don’t need to hunt for correct filter numbers or the proper viscosity. It saves time and reduces the chance of buying incompatible components, making a DIY service or quick shop job more efficient.

• Saves time: one SKU covers oil, filter, washer and funnel
• Reduces errors by supplying OEM parts with correct fitment
• Disposable funnel minimizes spills and cleanup

Will this fit my motorcycle model and year?

Yes—this kit is matched specifically to Honda Grom 125 models from 2021 through 2025 based on professional fitment research. If your Grom falls inside that range, the filter part number and oil viscosity conform to factory recommendations.

• Specified fitment: Honda Grom 125, model years 2021–2025
• Filter OEM number: 15412-MGS-D21 for exact compatibility
• Includes correct 12mm crush washer used on the drain plug

How should I use the kit safely and effectively?

Warm the engine briefly, then drain the old oil while the bike is on a level surface to ensure full evacuation. Replace the crush washer, fit the new filter hand-tight plus a quarter-turn, refill with the included GN4 10W-30 to the specified level, and check for leaks after startup.

• Warm engine, then drain on a level surface for complete flow
• Replace crush washer and tighten drain plug to torque spec
• Install filter hand-tight, refill to manufacturer’s oil level

Who this is for: The Cyclemax Standard Oil Change Kit is for Grom 125 owners who want an OEM-spec, all-in-one maintenance solution. It suits do-it-yourself riders who prefer correct factory parts without sourcing individual items, small shops doing routine services, and anyone seeking a fast, low-risk oil change for 2021–2025 Honda Grom models.