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Packages between 1Kg and 10Kg: (Standard Australia Post)
- Queensland: 2-3 Days
- New South Wales: 2-4 Days
- South Australia: 3-4 Days
- Northern Territory 3-5 Days
- Victoria: 2-3 Days
- Australian Capital Territory: 2-3 DaysÂ
- Western Australia: 4-5 Days
- Tasmania: 3-4 Days
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Packages Under 1Kg: (Free Express Post)
- Queensland: 1-2 DaysÂ
- New South Wales: 1-2 Days
- South Australia: 2 Days
- Northern Territory 2 Days
- Victoria: 1-2 Days
- Australian Capital Territory: 1-2 Days
- Western Australia: 2 Days
- Tasmania: 2 Days
Confirmed fitment
| Model | Engine code | Years | Variants covered |
|---|---|---|---|
| Kawasaki Ninja 400 | EX400 | 2018–2024 | Standard, ABS, KRT Edition, SE |
| Kawasaki Z400 | ER400 | 2019–2024 | Standard, ABS, SE |
| Kawasaki Ninja 500 | EX500 | 2024–2025 | Standard, ABS, KRT Edition, SE |
| Kawasaki Z500 | ER500 | 2024–2025 | Standard, ABS, SE |
Likely fitment — verify by VIN before promising
| Model | Years | Why it’s likely |
|---|---|---|
| Kawasaki Eliminator 450 (BR450) | 2024–2025 | Uses the 451cc engine derived from the EX400 platform |
| Kawasaki Ninja 250 (EX250, Asian/JP market) | 2018–2024 | Shares the post-2018 EX400 engine architecture |
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We want you to be completely satisfied with your purchase from Motorbike Parts Ausralia. However, we understand that sometimes returns are necessary. That’s why we’ve crafted a clear and straightforward returns policy to ensure your peace of mind.
Eligibility for Returns:
Unused Parts: To be eligible for a return, the motorbike parts must be unused, in their original condition, and in the original packaging.
Proof of Purchase: A valid proof of purchase, such as an order number or receipt, is required for all returns.
Timeframe: Returns must be initiated within 7 days from the date of delivery.
Returns Process:
Contact Us: To initiate a return, please contact our customer service team through 0423 113 802. Provide your order details and reason for the return.
Return Authorization: Once your return request is approved, we will provide you with a Return Authorization (RA) number and instructions on how to proceed.
Packaging: Please ensure that the motorbike parts are securely packaged to prevent any damage during the return shipment. We recommend using the original packaging whenever possible.
Shipping: You are responsible for the shipping costs associated with the return. We recommend using a trackable shipping service to ensure the safe arrival of the returned items.
Inspection and Refund: Upon receiving the returned items, our team will inspect them to ensure they meet the eligibility criteria. If approved, a refund will be issued to the original payment method within [number of days].
Non-Returnable Items:
Used or Damaged Parts: We cannot accept returns on used or damaged motorbike parts.
Special Order Items: Items that were specially ordered or customized for you cannot be returned unless they are defective or damaged upon arrival.
Clearance or Sale Items: Clearance or sale items may have limited return eligibility. Please check the product description or contact our customer service team for more information.
Exchanges:
- If you need to exchange a motorbike part for a different size, color, or model, please follow the returns process outlined above and place a new order for the desired item.
Damaged or Defective Items:
- If you receive a damaged or defective motorbike part, please contact our customer service team immediately. We will guide you through the process of returning the item and provide a replacement or refund.
Please note that Motorbike Parts Australia reserves the right to refuse any returns that do not meet the eligibility criteria or have been initiated outside of the specified timeframe.
If you have any further questions or require assistance with your return, please don’t hesitate to reach out to our dedicated customer service team. We are here to help you every step of the way.
Warranty Policy (3 Years)
At Motorbike Parts Australia, we are committed to providing high-quality motorbike parts that meet the highest standards. We stand behind the performance and durability of our products, and to demonstrate our confidence, we offer a comprehensive 3-year warranty on all eligible parts.
Warranty Coverage:
Parts Eligibility: The warranty covers eligible motorbike parts purchased directly from Motorbike Parts Australia or an authorized retailer. Please refer to our website or contact our customer service team for a list of eligible parts.
Defects in Material or Workmanship: The warranty protects against defects in material or workmanship that may occur during normal use of the motorbike part within the warranty period.
Warranty Period:
Duration: The warranty period is valid for 3 years from the date of purchase.
Proof of Purchase: A valid proof of purchase, such as an order number or receipt, is required to claim warranty coverage.
Warranty Claims Process:
Notify Us: To initiate a warranty claim, please contact our customer service team through [contact information]. Provide your order details, proof of purchase, and a detailed description of the issue you are experiencing with the motorbike part.
Evaluation: Our team will review your warranty claim and may request additional information or evidence, such as photographs or videos of the issue, to assess the eligibility for warranty coverage.
Resolution: If the motorbike part is deemed eligible for warranty coverage, we will either repair or replace the part, at our discretion, free of charge. In some cases, a refund may be provided instead of repair or replacement.
Shipping Costs: You are responsible for the shipping costs associated with returning the defective part to us. We recommend using a trackable shipping service to ensure the safe arrival of the item.
Exclusions: The warranty does not cover damages or defects resulting from improper installation, misuse, accidents, modifications, normal wear and tear, or any unauthorized repairs or alterations.
Limitations and Disclaimers:
Non-Transferable: The warranty coverage is non-transferable and applies only to the original purchaser of the motorbike part.
Limited Liability: Our liability under this warranty is strictly limited to the repair, replacement, or refund of the defective part as outlined in this policy. We are not liable for any indirect, incidental, or consequential damages arising from the use or inability to use the motorbike part.
Sole Warranty: This warranty is the sole and exclusive warranty provided by [Company Name] for its motorbike parts and supersedes any other warranties, whether expressed or implied.
If you have any further questions or need assistance with a warranty claim, please don’t hesitate to contact our dedicated customer service team. We are here to ensure your satisfaction and help you with any concerns regarding our products.
Welcome to Motorbike Parts Australia, your trusted destination for high-quality motorbike parts. These Terms and Conditions outline the rules and regulations for the use of our website and services. By accessing or using our website, you agree to comply with these terms. Please read them carefully.
Intellectual Property:
- Ownership: All content, logos, trademarks, and intellectual property displayed on our website are the property of Motorbike Parts Australia. They are protected by applicable copyright and trademark laws. You may not use, modify, distribute, or reproduce any of our intellectual property without our prior written consent.
Product Information:
Accuracy: We strive to provide accurate and up-to-date product information, including descriptions, specifications, and pricing. However, we do not guarantee the accuracy or completeness of the information and reserve the right to correct any errors or inaccuracies without prior notice.
Availability: The availability of motorbike parts is subject to change without notice. We make every effort to keep our inventory updated, but occasionally certain products may become unavailable. In such cases, we will notify you and offer suitable alternatives or a refund.
Ordering and Payment:
Order Confirmation: After placing an order, you will receive an email confirmation with the details of your purchase. Please review this confirmation carefully and contact us immediately if any changes or corrections are needed.
Pricing and Payment: All prices are listed in the currency specified on our website and are subject to applicable taxes and shipping charges. We accept various payment methods as indicated during the checkout process. Payment must be made in full before the order is processed and shipped.
Shipping and Delivery:
Shipping Methods: We offer different shipping methods based on your location and preferences. The available options will be presented during the checkout process. Please note that delivery times may vary depending on the shipping method selected and other external factors beyond our control.
Delivery Address: It is your responsibility to provide a valid and accurate delivery address. We are not liable for any delays or non-deliveries caused by incorrect or incomplete address details provided by you.
Returns and Refunds:
- Returns Policy: Please refer to our Returns Policy page for detailed information on our return eligibility criteria, process, and guidelines.
Privacy and Security:
Privacy: We respect your privacy and handle your personal information in accordance with our Privacy Policy. Please review our Privacy Policy to understand how we collect, use, and protect your data.
Security: We implement reasonable security measures to protect your personal information. However, we cannot guarantee the absolute security of data transmission over the internet or any storage system. You agree to use our website at your own risk.
Limitation of Liability:
- Our liability is limited to the extent permitted by applicable laws. We are not liable for any direct, indirect, incidental, consequential, or punitive damages arising from the use of our website or any products purchased from us.
Governing Law and Jurisdiction:
- These Terms and Conditions are governed by and interpreted in accordance with the laws of [Jurisdiction]. Any disputes arising from these terms shall be subject to the exclusive jurisdiction of the courts of [Jurisdiction].
Changes to Terms and Conditions:
- We reserve the right to update, modify, or replace these Terms and Conditions at any time without prior notice. The most recent version will always be available on our website. Your continued use of the website after any changes constitutes your acceptance of the updated terms.
If you have any questions or concerns regarding these Terms and Conditions, please contact our customer service team for assistance.
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Kawasaki Ninja 400 Starter Motor Suit EX400 Z400 Models 2018-2024 (21163-0782)
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More about Kawasaki Ninja 400 Starter Motor
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Ninja 400 Starter Motor — Replaces OE 21163-0782
The Ninja 400 Starter Motor is a direct replacement for OE part numbers 21163-0782 and 21163-0794, supplied brand new by Motorbike Parts Australia and backed by a 12-month warranty. This Ninja 400 Starter Motor suits the Kawasaki Ninja 400 (EX400) from 2018 to 2024, the Z400 from 2019, and the Ninja 500 and Z500 from 2024.
What the Ninja 400 Starter Motor Does
Your Ninja 400 Starter Motor is the electric motor that spins the engine over until it fires. Press the start button and current runs from the battery through the starter relay into the motor, which drives the starter gear into the crankshaft and cranks the engine. It draws very high current for a few seconds at a time, and the brushes, bushes and windings inside wear with age, heat and use.
Signs Your Ninja 400 Starter Motor Is Failing
- Slow, laboured cranking — the engine turns over but sounds tired
- A single click from the starter with no crank
- Intermittent starting that gets worse once the engine is hot
- Grinding or whirring without the engine turning
- Several attempts needed before the engine fires
- Burning smell from the starter area after cranking
Before you replace anything, check that the battery is fully charged and that the terminals and earth strap are clean and tight. A flat battery produces almost identical symptoms and is by far the more common cause. If the battery tests healthy and the fault persists, the starter motor is the next suspect.
Confirmed Fitment — Kawasaki Models
- Kawasaki Ninja 400 (EX400) 2018–2024 — standard, ABS, KRT Edition and SE
- Kawasaki Z400 (ER400) 2019–2024 — standard, ABS and SE
- Kawasaki Ninja 500 (EX500) 2024–2025 — standard, ABS, KRT Edition and SE
- Kawasaki Z500 (ER500) 2024–2025 — standard, ABS and SE
If you ride an Eliminator 450 or an Asian-market Ninja 250 built from 2018 onward, get in touch with your VIN before ordering — these models share much of the same engine architecture but we recommend confirming before you buy.
Models This Ninja 400 Starter Motor Does Not Fit
The earlier small-capacity Kawasakis look similar but use a completely different starter. This unit will not fit:
- Kawasaki Ninja 300 and Z300 (EX300) 2013–2017
- Kawasaki Ninja 250R (EX250) 2008–2012
- Kawasaki Ninja 650, Z650, Versys 650 and Vulcan S — these use 21163-0746 or 21163-0040
How to Confirm You Have the Right Part
The simplest check is to pull your existing starter and read the number stamped or stickered on the body. If it reads 21163-0782 or 21163-0794, this is your replacement. Alternatively, check your model year and variant against the fitment list above, or send us your VIN and we’ll confirm it for you before you order.
Fitting Your Ninja 400 Starter Motor
Installation is a straightforward bolt-in job. Disconnect the negative battery terminal first, remove the starter cable and the mounting bolts, then withdraw the old unit. Fit the new Ninja 400 Starter Motor with the O-ring lightly oiled, torque the mounting bolts to specification, reconnect the cable and battery, and test. We recommend fitting by a qualified technician.
Why Buy From Motorbike Parts Australia
Every starter motor we supply is brand new, built to OE specification with copper windings and a sealed housing, and covered by our 12-month warranty. We hold stock here in Australia and ship same business day with tracking, so you’re not waiting weeks on an overseas order to get your bike running again.
Frequently Asked Questions
Will this Ninja 400 Starter Motor fit my Z400?
Yes. The Z400 shares the same engine and starter as the Ninja 400, so this unit fits Z400 models from 2019 through 2024.
Will it fit a Ninja 300?
No. The Ninja 300 and Z300 (2013–2017) use a different starter motor. Only the 2018-onward EX400 platform and its Ninja 500 successor take 21163-0782.
My bike just clicks — is it the starter or the battery?
Test the battery first. A single click with no crank is most often a flat or failing battery, or a poor earth connection. If the battery is healthy and the connections are clean, the starter is the next suspect.
Is this a genuine Kawasaki part?
No. This is an aftermarket replacement built to OE specification and sold under the Motorbike Parts Australia brand. It replaces OE numbers 21163-0782 and 21163-0794 directly.
Fitment guide is provided as a general reference only. Please confirm compatibility using your VIN or by matching your existing part number before purchasing.
Motorbike Parts Australia is not affiliated with, endorsed by or sponsored by Kawasaki Heavy Industries, Ltd. All manufacturer names, model names and part numbers are used for identification and fitment reference purposes only. This is an aftermarket replacement part, not a genuine Kawasaki component.
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