Royal Enfield Shotgun 650 Front Brake Master Cylinder Black KAB00309/G

The Royal Enfield KAB00309/G Front Brake Master Cylinder is a genuine OEM black-finish hydraulic master-cylinder assembly for the front brake system on catalogue-confirmed Shotgun 650 motorcycles. It mounts on the right side of the handlebar and converts front-brake lever movement into hydraulic pressure for the front brake caliper.

What This Product Is

• Genuine Royal Enfield front brake master-cylinder assembly
• Black-finish handlebar-mounted hydraulic brake component
• Current verified part number: KAB00309/G
• Base parts-book number: KAB00309
• Front brake position

What This Product Is Not

• Not the front brake caliper
• Not the front brake hose
• Not the ABS modulator
• Not the rear brake master cylinder
• Not only a brake lever
• Not a piston repair kit
• Not a universal motorcycle master cylinder

Key Features

• Genuine Royal Enfield OEM spare
• Factory black finish
• Designed for the matching original front brake system
• Direct replacement where the official catalogue lists KAB00309 or KAB00309/G
• Suitable for replacement after leakage, bore damage, accident damage or internal seizure
• Supports restoration of factory braking operation when fitted and bled correctly

Confirmed Compatibility

Fitment Not Confirmed / Check Before Ordering

Do Not Order For

Do not order for Interceptor 650, Continental GT 650, Himalayan 411, Scram 411, Himalayan 450, Guerrilla 450, Classic 350 Reborn, Bullet 350 J-Series, Hunter 350, Meteor 350 or older UCE motorcycles unless the exact official catalogue confirms KAB00309/G.

Part Number and Revision Notes

Related Service Parts

When Should the Master Cylinder Be Replaced?

• Brake fluid leaks from the master-cylinder body or bore
• The housing or lever mounting area is cracked after an accident
• The piston is seized or the bore is internally damaged
• Brake pressure does not build despite correct bleeding and verified downstream components
• The reservoir or body has suffered non-repairable damage

What You Will Receive

1 × Genuine Royal Enfield Black Front Brake Master Cylinder KAB00309/G

Contents can vary by factory packing revision. Do not assume that the brake lever, clamp, switch, banjo bolt, washers or brake fluid are included unless physically present in the sealed pack.

Installation Note

• Installation must be performed by a qualified motorcycle technician.
• Use only the brake-fluid specification prescribed by Royal Enfield.
• Replace sealing washers where required.
• Bleed the front brake circuit completely after installation.
• Check for leaks at the banjo connection, reservoir and piston area.
• Confirm correct brake-light switch operation.
• Test the brake at very low speed before normal road use.

Return-Prevention Note

This is a black front brake master cylinder, not a brake lever, caliper or repair kit. Verify the exact pack suffix, motorcycle model, colour, hose connection, lever design and electrical switch arrangement before ordering. The verified current revision is KAB00309/G, while some parts books display the base code KAB00309.

Frequently Asked Questions

Is KAB00309/G a genuine Royal Enfield part?

Yes. Genuine Royal Enfield parts references identify KAB00309/G as Master Cylinder, Brake, Front, Black.

Which motorcycle is confirmed?

The Royal Enfield Shotgun 650 is confirmed through its model-specific parts book.

Does it include the front brake lever?

Do not assume so. The lever and lever-and-pin kit are listed as separate service parts. Check the sealed pack before dispatch.

Is this the complete front brake system?

No. The caliper, brake hose, ABS modulator, brake fluid and associated hardware are separate.

Can a leaking unit be repaired instead?

A piston kit may be available, but replacement suitability depends on the condition of the bore, housing, reservoir and sealing surfaces.

Will it fit Super Meteor 650?

Do not promise fitment without matching the Super Meteor parts catalogue and the existing master cylinder.

Buyer Search Terms

KAB00309, KAB00309/G, KAB00309G, Royal Enfield Shotgun 650 front brake master cylinder, Shotgun 650 brake pump, black front master cylinder, genuine Royal Enfield brake master cylinder, front brake reservoir assembly.