Premium Quality Replacement for KFX90 & KSF90 Models
This 4Drive premium aftermarket starter motor is a direct replacement for the Kawasaki 21163-Y002. Engineered specifically for the 89cc 4-stroke engines found in the KFX90 and KSF90 series, this unit provides reliable, high-torque cranking performance in all weather conditions. Constructed with high-grade copper windings and weather-sealed housings, it is designed to meet or exceed original equipment standards.
RELIABILITY: Built with permanent magnets (PMDD) to deliver consistent starting torque while minimizing battery draw.
Key Features
✔ Direct fit replacement - No modifications required
✔ 9-Tooth drive gear for precision engagement
✔ Counter-Clockwise (CCW) rotation
✔ Insulated housings to block residue and moisture
Technical Specs
Voltage:
12V
Rotation:
CCW
Number of Teeth:
9
Starter Type:
PMDD
Gear OD:
~8.7mm
Compatibility / Fitment Guide
Make
Model/Application
Years
Kawasaki
KFX90 / KSF90 (89cc)
2007 - 2024
Arctic Cat
90 DVX / Utility / Alterra
2010 - 2019
Kymco
Mongoose 90
2004 - 2010
BMS Motor
Apache / Pinnacle / Zip 50
Various
OEM Cross Reference
Kawasaki:
21163-Y002, 21163Y002
Arctic Cat:
3305-802
Kymco:
31200LBD4-900, 31200LBD4-90A
Other Ref:
SMU0468, 410-54143, 18816
Questions & Answers
Is this a genuine original part?
This is a premium quality aftermarket replacement part, manufactured to meet or exceed original equipment (OE) standards for fitment and performance.
How do I know if it is compatible?
We recommend checking the SKU/MPN (21163-Y002) against your vehicle's service manual or existing part. This fits all 89cc Kawasaki KFX90 models from 2007 onwards.
Does this starter motor require an external relay?
This unit connects to your existing starter solenoid/relay. It features a single lead terminal as per the original factory configuration.
Note: Professional installation is recommended. Please verify your original part number against the references above before purchasing. Domain: 4drive.co.uk
