PRODUCT DETAILS
Cylinder Head Gasket for Yamaha Outboard 20HP 25HP 2-Stroke (1986-2002) – Aftermarket Replacement
Upgrade your Yamaha 20HP & 25HP 2-stroke outboard (1986-2002) with this high-quality aftermarket cylinder head gasket. Designed for a precise fit, this gasket ensures a secure seal, preventing leaks and optimizing engine performance.
Compatible Yamaha Models:
✔ 20HP Models: 20C
✔ 25HP Models: 25D
✔ Years: 1986-2002
Replaces Yamaha OEM Part Numbers:
🔹 695-11181-A1
🔹 695-11181-A1-00
🔹 69511181A000
🔹 69511181A1
🔹 69511181A100
Product Features:
✅ Perfect Fit for Yamaha 20HP & 25HP (2-Stroke) – Engineered to meet OEM specifications
✅ High-Quality Aftermarket Replacement – A reliable, cost-effective alternative to OEM gaskets
✅ Durable & Marine-Grade – Built to withstand tough marine conditions
✅ Precision Cut – Ensures a secure seal for maximum engine efficiency
✅ Easy Installation – Direct replacement for OEM gasket, ensuring a hassle-free fit
Why Buy From SSI Marine?
✔ Premium Marine Parts at Competitive Prices
✔ Fast & Secure Shipping – All Parts In Stock & Ready to Ship
✔ Expert Support – Need help? Contact us for compatibility assistance
✔ Trusted Seller – Collection Available from Leigh, Manchester (Mon–Fri, 9 AM–5 PM)
⚠️ If you have any concerns regarding the suitability of this item, please ask before purchase. If the part looks the same as yours, it does not always mean it is the correct fit—double-check compatibility before ordering.
Order Now for a Reliable Gasket Replacement to Keep Your Yamaha Outboard Running Smoothly! 🚤💨
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.











