PRODUCT DETAILS
Powerhead / Exhaust Gasket for Yamaha & Mariner 2 HP Outboards
Premium-quality aftermarket powerhead / exhaust pipe gasket for selected Yamaha and Yamaha-manufactured Mariner 2 HP 2-stroke outboard engines.
Suitable for selected 2B / 6A1 applications using Yamaha gasket 6A1-14613-A0.
This gasket is fitted within the powerhead / exhaust assembly and is also commonly described as a:
- Powerhead exhaust gasket
- Exhaust pipe gasket
- Powerhead base / exhaust gasket
- Upper exhaust gasket
Yamaha parts information identifies 6A1-14613-A0 as the exhaust pipe gasket for the Yamaha 2B family.
Fits Yamaha Outboards
2 HP – 2 Stroke
- 2B
- 6A1 family
- Selected Yamaha 2 HP 2-stroke models
Application references show 6A1-14613-A0 used across Yamaha 2B applications, including engines from the mid-1980s onwards.
Fits Yamaha-Made Mariner Outboards
2 HP – 2 Stroke
Suitable for selected Yamaha-manufactured Japanese Mariner 2 HP engines using the corresponding Yamaha 6A1 powerhead/exhaust arrangement.
Important
MARINER – YAMAHA-MADE JAPANESE MODELS ONLY
Please do not order for a Mercury-manufactured Mariner 2 HP engine simply because the horsepower is the same.
Replaces Yamaha Part Numbers
- 6A1-14613-A0
- 6A1-14613-A0-00
- 6A114613A0
- 6A114613A000
- 6A1-14613-00
- 6A1-14613-00-00
- 6A1-14613-01
- 6A1-14613-01-00
The earlier 6A1-14613-00-00 has been superseded by 6A1-14613-A0-00.
OEM part numbers are used for identification and reference purposes only.
Product Features
- Powerhead exhaust gasket
- Exhaust pipe gasket
- For selected Yamaha / Mariner outboards
- 2 HP
- 2B
- 2 Stroke
- 6A1 application
- Selected Yamaha-made Japanese Mariner engines
- Marine-grade quality aftermarket part
- Manufactured to OEM specifications
- Replacement for the corresponding OEM application
- New replacement part
- UK stock
Important – 646 & 6A1 Gaskets
There are different exhaust gaskets used on these Yamaha 2 HP engines.
Yamaha parts information shows both:
6A1-14613-A0 – Exhaust / Powerhead Gasket
and
646-14623-A1 – Separate Exhaust Gasket
within the Yamaha 2B family.
These should not be confused with each other.
For this reason, I would identify this listing primarily as a 6A1-14613-A0 gasket, rather than putting just “646 / 6A1” prominently in the title.
Important – Please Check Compatibility
Please do not order by horsepower or appearance alone.
Before purchasing, please check:
- Engine is Yamaha or Yamaha-made Mariner
- Engine is 2 HP
- Engine is 2 Stroke
- Exact engine model/code
- Engine serial number
- Existing gasket
- Original part number
For the safest identification, check that your engine requires:
6A1-14613-A0
If the gasket looks the same as yours, this does not always mean it is the correct one for your outboard.
If you are unsure, please send us your engine model and serial number before purchasing and our technical team will be happy to check compatibility.
Why Buy From SSI Marine?
- Marine-grade aftermarket & OEM-spec parts
- Workshop-tested products
- More than 10 years supplying outboard parts
- UK stock
- Same working day dispatch before 1 PM Monday–Friday
- Royal Mail Tracked 24
- Technical support from experienced outboard specialists
- Collection available from Leigh, Greater Manchester
- Workshop open Monday–Friday, 9 AM–5 PM
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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