Chimera

Chimera Crank Case Gasket Grom Monkey Super Cub 125

Name: Chimera Crank Case Gasket Grom Monkey Super Cub 125
Brand: Chimera
SKU: Crank Case Gasket

★★★★★4.4 (16 reviews)

Direct-fit right-side crankcase gasket for Honda Grom 125, Monkey 125, and Super Cub 125 models.

$6.99*

*Price sourced from Amazon.com. Last updated:Jul 13, 2026.Price and availability are subject to change.

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Overview

The Chimera Crank Case Gasket is an aftermarket replacement part designed for the right-side crankcase cover — the clutch side — on Honda's popular 125cc small-displacement platform. It provides a direct fit for the 2014–2020 Grom 125 (JC61 and JC75 chassis codes), 2018–2021 Monkey 125 (JB02), and 2019–2021 Super Cub 125 (C125, JA48), all of which share the same 4-speed engine architecture. Whether you're performing a clutch inspection, oil pump service, or any other maintenance that requires removing the right-side cover, a fresh gasket is essential for preventing oil leaks.

Reusing a crankcase gasket after removal is generally not recommended, as the material deforms under clamping pressure and may not reseal properly. Having a replacement gasket ready before starting work avoids the frustration of waiting for parts mid-job. This Chimera gasket serves as a cost-effective alternative to the OEM Honda part, making it practical to keep one or two spares in your toolkit for routine maintenance on these widely owned small-bore Honda motorcycles.

Key Features

Chimera Grom 125 Gasket for the Right side of the crank case.

While sitting on the bike it the one on your right side.

Specifications

Brand

Chimera

Part

Crank Case Gasket

Position

Right side of crankcase (Clutch Side)

Compatibility

2014–2020 Grom 125 (JC61, JC75, 4-Speed), 2018–2021 Monkey 125 (JB02, 4-Speed), 2019–2021 Super Cub 125 (C125, JA48, 4-Speed)

Pros & Cons

👍 Pros

Direct fitment for multiple popular Honda 125cc models without modification
Covers a wide range of model years from 2014 through 2021
Affordable replacement that should be on hand for any clutch-side service
Designed specifically for the right-side crankcase to ensure proper sealing

👎 Cons

Only fits the right (clutch) side — a separate gasket is needed for the left side
Limited to 4-speed Honda 125cc models and does not fit 5-speed or other displacement variants
Aftermarket part, so material quality and longevity may differ from OEM
No installation hardware or sealant included

Frequently Asked Questions

Which side of the engine does this gasket fit?

It fits the right side of the crankcase, which is the clutch cover side on compatible Honda 125cc models.

What Honda models and years is this gasket compatible with?

It fits the 2014–2020 Grom 125 (JC61, JC75, 4-speed), 2018–2021 Monkey 125 (JB02, 4-speed), and 2019–2021 Super Cub 125 (C125, JA48, 4-speed).

How often should this crankcase gasket be replaced?

It should be replaced every time the clutch-side crankcase cover is removed. Reusing an old gasket risks oil leaks because the material compresses during installation.

Is this an OEM Honda gasket or an aftermarket part?

This is an aftermarket gasket made by Chimera, designed as a direct replacement for the OEM part on compatible Honda 125cc engines.