HENGJIAN double lug voltage regulator, wire length 200 – S3-YB300H-21-07

This compact motorcycle voltage regulator is designed as an original-type replacement component for Hengjian S8-Z300 electrical double-lug mounting and 200 mm harness length support straightforward installation and reliable routing on off-road frames.

Key features

OE-style voltage regulator and rectifier for Hengjian motorcycles that specify part number S3-YB300H-21-07.
Double-lug mounting for secure attachment and improved resistance to vibration on enduro and off-road terrain.
Approx. 200 mm wire length to reach the main harness while keeping the loom neat and well managed.
Designed to stabilize alternator output and help protect the 12 V electrical system, battery and lighting from voltage fluctuations.
Compact, robust construction suitable for the dirt, moisture and temperature changes typical of off-road use.

Technical details

Brand	HENGJIAN
Product type	Motorcycle voltage regulator / rectifier
Manufacturer ID	S3-YB300H-21-07
Mounting style	Double-lug frame mounting
Harness wire length	Approx. 200 mm
Electrical system	Designed for 12 V motorcycle charging systems
Primary application	Hengjian S8-Z300 off-road motorcycle electrical component
Function	Regulates and rectifies alternator output to provide stable DC voltage

Typical applications

The HENGJIAN double lug voltage regulator with 200 mm wire length is suited to a range of workshop and service scenarios where dependable charging performance is required.

Replacement for a damaged, overheated or unstable original regulator on Hengjian S8-Z300 models using this part code.
Electrical system repairs where consistent battery charging and lighting performance are needed.
Preventive maintenance during complete engine rebuilds or wiring harness renewals on compatible Hengjian motorcycles.
Keeping a spare regulator in race or enduro service kits to minimize downtime in case of charging issues.

Specification