Hero MotoCorp

Hero Genuine Starter Motor Assembly for Xpulse 200/200T, Xtreme 160/200, Hunk, Achiever, Ignitor, Impulse & CBZ Xtreme | Self-Start Motor | 31200KSP901S

Hero Genuine Starter Motor Assembly for Xpulse 200/200T, Xtreme 160/200, Hunk, Achiever, Ignitor, Impulse & CBZ Xtreme | Self-Start Motor | 31200KSP901S

Regular price Rs. 1,912.00
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Important Order Policy
Please order only after confirming the part number, model, variant, year, side, connector type and compatibility. All orders are non-cancellable once placed. Correctly shipped spare parts are not eligible for return, exchange or refund due to wrong selection, wrong diagnosis, fitment mismatch, mechanic recommendation or change of mind. Electrical/electronic items are additionally non-returnable once opened, installed, plugged in, tested or used. Wrong item, damaged item or missing item claims require a complete unboxing video within 24 hours. Read full Return & Warranty Policy

Hero Genuine Complete Starter Motor Assembly – 31200KSP901S

Restore dependable electric starting with the Hero Genuine Motor Assy., Starter, part number 31200KSP901S. This complete self-start motor assembly is used on compatible Hero Xpulse, Xtreme, Hunk, Achiever, Ignitor, Impulse and CBZ Xtreme motorcycle engine platforms.

When the starter button is pressed, the motorcycle’s battery and starter relay supply current to the starter motor. The starter motor converts electrical energy into rotational force, driving the engine through the model-specific starter gears so the crankshaft can turn and the engine can begin running. A worn, internally shorted, seized, slow or damaged starter motor can cause weak cranking, intermittent starting, abnormal noise, excessive current draw or complete failure to rotate the engine.

This product is the complete starter motor assembly. It is not a starter relay, starter clutch, one-way clutch, Bendix or pinion gear, armature-only component, carbon-brush kit or general repair kit. Hero lists the internal brush and sealing components separately for service, while this SKU identifies the complete assembled starter motor.

What This Product Is

  • Hero Genuine complete electric starter motor assembly
  • Official description: Motor Assy., Starter
  • Hero retail part number: 31200KSP901S
  • Catalogue-format part number: 31200-KSP-901
  • Common buyer names: self-start motor, starter motor, starting motor, starter dynamo and electric start motor
  • Application: engine cranking during electric starting
  • Position: model-specific engine starter-motor mounting point
  • Supply form: one manufacturer-packed starter motor assembly

Key Features

  • Genuine Hero complete starter motor assembly
  • Designed for the specified original engine and starter-drive arrangement
  • Converts battery power into engine-cranking rotation
  • Built to withstand normal engine heat, vibration and repeated starting cycles
  • Helps restore consistent self-start operation when starter-motor failure is confirmed
  • Suitable replacement for an internally damaged, seized, slow or non-operational matching motor
  • Correct OEM mounting and electrical-terminal arrangement when matched by exact SKU
  • Better fitment confidence than choosing a generic starter by appearance or approximate dimensions
  • One complete starter motor assembly supplied
  • Current Hero MRP reference: ₹1,912 inclusive of taxes

Confirmed Compatibility

Exact Model and Catalogue References

  • Hero Achiever (Oct, 2005)
  • Hero Achiever (Nov, 2006)
  • Hero Achiever (Apr, 2010)
  • Hero Achiever (July, 2012)
  • Hero Achiever (Nov, 2014)
  • Hero Achiever 150 (Sep, 2016)
  • Hero X-TREME / CBZ X-TREME (Oct, 2006)
  • Hero X-TREME / CBZ X-TREME (Oct, 2008)
  • Hero X-TREME / CBZ X-TREME (Apr, 2011)
  • Hero Xtreme (Oct, 2012)
  • Hero X-TREME (Apr, 2014)
  • Hero Xtreme Sports (Feb, 2015)
  • Hero Xtreme Sports (Jan, 2017 catalogue application)
  • Hero Hunk (Oct, 2007)
  • Hero Hunk 25th Year Special Edition (Jan, 2009)
  • Hero Hunk (Jun, 2009)
  • Hero Hunk (Oct, 2010)
  • Hero Hunk (Aug, 2012)
  • Hero Hunk (Nov, 2015)
  • Hero Hunk (Feb, 2017 catalogue application)
  • Hero Ignitor (May, 2012)
  • Hero Ignitor (Nov, 2014)
  • Hero Impulse (Oct, 2011)
  • Hero Xpulse 200 (May, 2019)
  • Hero Xpulse 200 FI (May, 2019)
  • Hero Xpulse 200T (May, 2019)
  • Hero Xpulse 200T FI (Jan, 2020)
  • Hero Xpulse 200 2V BSVI (Jun, 2020)
  • Hero Xtreme 200S BSVI (Oct, 2020)
  • Hero Xpulse 200T FI (Mar, 2022)
  • Hero Xpulse 200 4V (July, 2022)
  • Hero Xpulse 200 OBD-II 4V (Apr, 2023)
  • Hero Xpulse 200T OBD-II (Jun, 2023)
  • Hero Xpulse 200 4V (Nov, 2024)
  • Hero Xpulse 200 4V Dakar Edition (Jan, 2025)

Official Hero Model-Family Applicability

  • Hero Achiever and Achiever 150
  • Hero CBZ Xtreme / X-TREME / Xtreme Sports
  • Hero Hunk — compatible 150-series and specified export variants using this SKU
  • Hero Ignitor
  • Hero Impulse
  • Hero Xpulse 200 / Xpulse 200 FI / Xpulse 200 2V and 4V
  • Hero Xpulse 200T
  • Hero Xtreme 160 family — only engine generations catalogued with 31200KSP901S
  • Hero Xtreme 200 family — including compatible Xtreme 200R and Xtreme 200S generations

Compatibility boundary: The same model name can cover different engines, starter gears, mounting positions and electrical connectors. Do not extend fitment to Xpulse 210, Xtreme 125R, Karizma XMR, Mavrick, scooters or another Hero motorcycle unless its engine catalogue specifically lists 31200-KSP-901.

Fitment Note / Return Prevention Note

Before ordering, match the complete Hero part number 31200KSP901S or catalogue number 31200-KSP-901 with the motorcycle’s chassis/VIN-based engine and starter-motor catalogue.

Confirm all of the following:

  • Exact motorcycle model, variant and production generation
  • Engine family and starter-motor assembly part number
  • Starter mounting position and mounting-hole arrangement
  • Motor body diameter and overall installed clearance
  • Electrical terminal location and cable connection
  • Starter output shaft and mating starter-gear arrangement
  • Condition of the starter-motor O-ring and surrounding sealing surface
  • Part number printed on the old unit, packaging, invoice or parts catalogue

Do not diagnose from one symptom alone. A motorcycle that clicks, cranks slowly or does not start can have a battery, cable, relay, earth, starter-switch, engine or mechanical fault even when the starter motor itself is serviceable.

Before replacing the complete motor, a technician should check:

  • Battery voltage and load-test condition
  • Battery terminals and engine earth connection
  • Starter-relay operation and voltage drop
  • Starter cable continuity and terminal tightness
  • Engine-stop and starter-button circuit
  • Starter-motor current draw
  • Whether the engine rotates freely by the prescribed service procedure
  • Starter reduction gears, one-way clutch and mating gear condition

Do not confuse this complete assembly with the separately catalogued service parts:

  • 31201-KPT-A01 — terminal brush set
  • 31204-KG8-004 — brush spring
  • 31205-KTC-921 — starter-motor set bolt
  • 31206-KPH-881 — brush holder set
  • 31207-MBE-008 — starter-motor ring
  • 91309-425-003 — model-catalogued 24.4 × 3.1 O-ring
  • 91320-MB0-000 — separately catalogued O-ring
  • Starter relay, starter clutch and starter gears

Hero publishes no detailed retail kit BOM for 31200KSP901S. This listing therefore promises one sealed complete starter motor assembly under this SKU without claiming additional loose bolts, O-rings, cables or service parts.

Electrical and installed-component return protection: Confirm the exact SKU before connecting or fitting. A starter motor showing terminal marks, installation marks, grease, damaged splines, electrical testing under load, modification or operational use cannot be treated as an unused return.

What You Will Receive

  • 1 × Hero Genuine Motor Assy., Starter
  • Part number: 31200KSP901S
  • One manufacturer-packed complete electric starter motor assembly

Not included unless physically supplied inside the sealed Hero pack:

  • Starter relay or solenoid
  • Battery or battery cables
  • External starter cable and terminal hardware
  • Starter one-way clutch
  • Starter reduction gears
  • Starter pinion / Bendix
  • Engine-side mounting bolts
  • Separate replacement O-rings or gasket
  • Neutral switch components
  • Engine oil
  • Diagnostic or installation labour

Technical Details

Brand Hero Genuine
Manufacturer Hero MotoCorp Limited
Part Number 31200KSP901S
Catalogue Number 31200-KSP-901
Official Description Motor Assy., Starter
Common Buyer Terms Starter motor, self-start motor, starting motor, starter dynamo, electric start motor
System Motorcycle electric starting system
Primary Function Rotates the engine during electric starting
Net Quantity 1 complete assembly
Listed Weight 960 g
Listed Package Dimensions 8 × 12 × 8 cm
Country of Origin India
MRP Reference ₹1,912 inclusive of taxes
Hero Retail Kit BOM Not published
Google Shopping MPN 31200KSP901S

Installation Note

Starter-system diagnosis and installation should be carried out by a trained motorcycle technician. The battery must be disconnected according to the model-specific service procedure before removing the starter cable or motor.

Before installation:

  • Confirm the old and new part numbers
  • Load-test the battery and inspect the charging system
  • Check the starter relay, cables and earth connection
  • Inspect the engine-side mounting bore and sealing surface
  • Inspect the starter gears and one-way clutch for wear or damage
  • Check the starter cable terminal and protective boot
  • Inspect the required O-ring and replace it if damaged or flattened
  • Confirm that the engine is mechanically free to rotate

During fitting:

  • Do not strike the starter body or output shaft
  • Do not force the motor into a misaligned mounting bore
  • Keep dirt, metal particles and excessive sealant away from the engine opening
  • Lubricate the sealing O-ring only as specified by the service procedure
  • Route the starter cable away from heat, sharp edges and moving parts
  • Tighten mounting bolts and electrical terminals to the prescribed torque
  • Refit the terminal protective cover correctly

After installation, reconnect the battery, verify normal cranking speed and listen for grinding, repeated impact or free-spinning noise. Confirm that the starter cable and motor do not overheat during normal starting. Do not repeatedly operate the starter if the engine does not crank correctly, as this can damage the battery, cables, relay, motor and starter gears.

Buyer-Focused FAQs

1. What is Hero part number 31200KSP901S?
It is a Hero Genuine complete electric starter motor assembly used on compatible Xpulse, Xtreme, Hunk, Achiever, Ignitor, Impulse and CBZ Xtreme motorcycles.

2. Is this the complete starter motor?
Yes. This SKU identifies the complete assembled starter motor, not only the armature, brushes or outer body.

3. Is this also called a self-start motor?
Yes. Starter motor, self-start motor, starting motor, starter dynamo and electric start motor are common buyer terms.

4. Is the starter relay included?
No. The starter relay or solenoid is a separate electrical component.

5. Is this the starter Bendix or pinion?
No. This product is the electric starter motor. The pinion, starter gears and one-way clutch are separate components in the engine starting mechanism.

6. Are the carbon brushes included?
The product is supplied as a complete assembled starter motor. Hero also catalogues the terminal brush set and brush holder separately for service, but no additional loose brush kit is promised with this retail SKU.

7. Does it fit Hero Achiever?
Yes. Confirmed references include Achiever October 2005, November 2006, April 2010, July 2012, November 2014 and Achiever 150 September 2016.

8. Does it fit Hero Hunk?
Yes. Confirmed Hunk references include October 2007, January 2009 special edition, June 2009, October 2010, August 2012, November 2015 and February 2017 catalogue applications.

9. Does it fit CBZ Xtreme or X-TREME?
Yes. Confirmed applications include CBZ X-TREME/X-TREME October 2006, October 2008 and April 2011, plus Xtreme October 2012 and April 2014.

10. Does it fit Xtreme Sports?
Yes. Confirmed catalogue references include Xtreme Sports February 2015 and January 2017.

11. Does it fit Hero Ignitor?
Yes. Confirmed references include Ignitor May 2012 and November 2014.

12. Does it fit Hero Impulse?
Yes. Impulse October 2011 is an exact confirmed application.

13. Does it fit Hero Xpulse 200?
Yes. Confirmed references include Xpulse 200 and Xpulse 200 FI May 2019, Xpulse 200 2V BSVI June 2020, Xpulse 200 4V July 2022, OBD-II April 2023, November 2024 and Dakar Edition January 2025.

14. Does it fit Hero Xpulse 200T?
Yes. Confirmed references include Xpulse 200T May 2019, Xpulse 200T FI January 2020, FI March 2022 and OBD-II June 2023.

15. Does it fit Hero Xtreme 200S?
Yes. Xtreme 200S BSVI October 2020 is an exact catalogue-confirmed application. Match other Xtreme 200S generations by SKU.

16. Does it fit Hero Xtreme 200R?
Hero lists the Xtreme 200 family among the official applications. Confirm the exact motorcycle generation and starter-motor part number before ordering.

17. Does it fit Hero Xtreme 160R?
Hero lists Xtreme 160 among the official model families. Fitment applies only to engine generations whose parts catalogue specifies 31200-KSP-901.

18. Does it fit Xpulse 210 or Xtreme 125R?
No compatibility is claimed. These newer engine platforms may use different starter motors and must be checked by chassis/VIN.

19. Why does the starter motor click but not rotate?
A click can be caused by a weak battery, poor terminal connection, faulty relay, damaged cable, seized starter motor or mechanically locked engine. Diagnosis is required before replacement.

20. Why does the starter spin but not crank the engine?
The starter gears, one-way clutch or engagement mechanism may be slipping or damaged even when the electric motor itself spins.

21. Can slow cranking be caused by the starter motor?
Yes, but weak battery voltage, cable resistance, poor earth, thick or incorrect oil and internal engine resistance can produce the same symptom.

22. Can only the brushes be replaced?
Hero catalogues brush-related service parts separately. A technician should inspect the commutator, armature, bearings, seals and motor body before deciding whether repair or complete motor replacement is appropriate.

23. Is the mounting O-ring included?
Hero does not publish the retail kit BOM. Do not assume that a separate replacement O-ring or external mounting hardware is included unless visible inside the sealed pack.

24. Does the starter motor require programming?
No programming requirement is associated with a conventional electric starter motor. The battery, relay and electrical circuit must still be tested after installation.

25. Is professional installation recommended?
Yes. Incorrect diagnosis, cable connection, sealing or starter-gear alignment can damage the new motor or engine components.

26. How can I prevent ordering the wrong starter motor?
Match the complete SKU, exact motorcycle and generation, engine family, mounting arrangement, electrical terminal, output shaft and chassis/VIN-based Hero catalogue.

Electrical and Starter-System Purchase Warning

Confirm the exact part number before connecting or installing the motor. Do not fit or electrically load-test it merely for trial. Terminal marks, mounting marks, grease, damaged output teeth, modification or operational use can permanently affect the component and invalidate return eligibility.

Verify Fitment on Official Brand Portals

For selected genuine spare parts, you can cross-check the part number on the official brand portals before ordering.

Royal Enfield Official Spares Portal

Hero MotoCorp Official eCatalogue

View full details

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