PRODUCT DETAILS
CDI Unit / Power Pack for Yamaha 2-Stroke Outboards
High-quality marine-grade aftermarket CDI unit, designed to restore correct ignition timing and reliable engine performance on compatible Yamaha 2-stroke outboards.
This CDI (capacitor discharge ignition) unit is a direct-fit replacement for the Yamaha power pack used on selected 9.9HP and 15HP models.
Fitment – Yamaha Outboards
Fits the following 2-stroke Yamaha outboards:
• 9.9 HP
• 13.5 HP – 2003–2004
• 15 HP – 1995–2008
⚠️ Fitment can vary by year and model. Please confirm compatibility before purchase.
Replaces Yamaha OEM Part Numbers
• 63V-85540-00
• 63V-85540-01
• 63V-85540-01-00
• 63V-85540-02-00
• 63V-85540-0200
OEM part numbers used for reference only.
Product Quality
• Marine-grade aftermarket CDI unit
• Designed to OEM specifications
• Fully compatible and interchangeable with original Yamaha units
• Helps restore smooth starting and correct ignition performance
Buyer Responsibility
Please confirm compatibility using your engine model, year, and serial number before ordering.
Even if a part looks the same, it may not be correct for your specific outboard.
If you have any concerns regarding suitability, please contact us before purchase — our technical team will be happy to help.
For general guidance on choosing the correct outboard parts, visit our help page:
https://sssimarine.co.uk/blogs/news/blogs-news-how-to-order-the-correct-outboard-parts
About SSI Marine
All parts are held in UK stock and dispatched from our Leigh (Manchester) workshop.
Collection available Monday–Friday, 9am–5pm.
Orders placed before 1pm are dispatched the same working day.
VAT receipts available on request.
SHIPPING & DELIVERY
Delivery & Returns Policy
Delivery
Standard Delivery
- £6: Royal Mail Tracked 24 Service
- £3.99: Large Letter - Royal Mail 1st Class Post (Untracked)
We offer free delivery on all orders over £150 (excludes outboard engines).
Orders placed before 1:00 PM (Monday-Friday) are usually dispatched the same working day.
Most parcels are delivered within 24 hours, but please allow extra time for courier delays that may occur outside our control.
For outboard engines, please contact us for a delivery quote.
Important: Please ensure your shipping address is correct before completing checkout. SSI Marine is not responsible for parcels sent to an incorrect address provided by the buyer.
Tracking Your Order
Once your order has been dispatched, you will receive a tracking number via email (after 5 PM on the day of dispatch).
Tracking is available only for parcels sent via Royal Mail Tracked 24.
Large Letter orders are sent via Royal Mail 1st Class Post (untracked).
Returns
We accept returns of unused and undamaged items within 30 days of purchase.
Returned items must be in sellable condition and include the original packaging.
Please do not tape, label, or write directly on the product's original box.
Important: Do not return items in their original product boxes only, they must be placed inside a protective outer box or bag. Parcels returned like the example below will be subject to a 20% restocking fee.
Return shipping costs are the customer's responsibility.
Please include your order details and reason for return inside the parcel.
Refunds
Refunds are issued for the item purchase price only (shipping costs are non-refundable).
All refunds will be made using the same payment method as your original order.
Items returned in poor condition or without proper packaging may incur a 20% restocking fee.
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