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Cylinder Head / Valve Cover
Head Cover Gasket Port #2 (Starboard) - Genuine Yamaha OEM
Yamaha part 6CB-11194-00-00 is the genuine OEM head cover gasket (Starboard / Port #2) for select 4.2L and 4.3L V6 outboards.
This gasket seals the valve cover to prevent oil leaks and maintain proper crankcase pressure. Direct replacement for Yamaha F225, F250, F300 (4.2L) and F300-F350 (4.3L) models.
Compatible Applications
| Brand | Engine / System | Application | Fitment Note |
|---|---|---|---|
| Yamaha | 4.2L V6 | F225 - F300 | Starboard (Port #2) |
| Yamaha | 4.3L V6 | F300 - F350 | Starboard (Port #2) |
Installation Guide
Tools Needed: Socket set, torque wrench, gasket scraper, clean rags.
- Let engine cool completely. Remove cowling and disconnect spark plug wires/hoses on Starboard side.
- Remove valve cover bolts in criss-cross pattern. Clean mating surfaces thoroughly.
- Install new gasket into valve cover groove. Apply thin RTV at corners if required.
- Reinstall cover and torque bolts to spec (see service manual for exact ft-lbs – typically staged criss-cross).
- Reconnect components, run engine, and check for leaks.
Always refer to your Yamaha service manual for model-specific torque values and procedures.
Important Fitment Note
Always confirm compatibility using your engine serial number and existing part number before ordering.
OEM & Cross Reference Numbers
| OEM | 6CB-11194-00-00 |
Matching Port Side Gasket
Head Cover Gasket Port #1 - 6CB-11193-00-00
Matching port side valve cover gasket for the same 4.2L F225-F300 and 4.3L F300-F350 Yamaha V6 outboards.
View Port Side Gasket →What This Part Is Used For
This gasket seals the valve cover (head cover) to the cylinder head on Yamaha 4.2L and 4.3L V6 outboards.
Replacing it prevents oil leaks, maintains proper crankcase pressure, and ensures reliable engine performance.
Key Features and Benefits
- Genuine Yamaha OEM quality for perfect fit and seal
- Prevents oil leaks around the valve cover
- Direct replacement for Starboard (Port #2) on specified V6 models
- Essential for top-end engine maintenance
FAQ
What engines does this gasket fit?
This is the Starboard (Port #2) head cover gasket for Yamaha 4.2L F225-F300 and 4.3L F300-F350 V6 outboards.
Is this the complete set or single gasket?
This is the individual gasket for the Starboard side.
Dealer Discounts & Store Policies
Dealer / Marine Industry Discounts
Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.
Shipping Policy
- Free shipping on orders over $100 continental U.S.
- Orders ship via UPS, USPS, and FedEx.
- Orders received before 5:30 PM EST ship the same business day.
- Typical delivery time is 1-5 business days.
30-Day Return Policy
- Returns accepted within 30 days of delivery.
- Parts must be new, unused, and in original packaging.
- Installed parts are not returnable.
- Return authorization is required before sending items back.
Need help with a return or order question?
Contact Us
Phone: 941-721-3000
Searchable Terms
Yamaha head cover gasket starboard, 6CB-11194-00-00, F225 starboard gasket, F300 valve cover gasket, Yamaha 4.2L gasket, Yamaha F350 gasket
Searchable Part Numbers
6CB-11194-00-00, 6CB111940000
90201-17M25-00
6FM-W0078-01-00
6FM-W0078-02-00
25hp 2005-2006, 2012, 2018
40hp 2004-2007
75hp 2004-2024
90hp 2004-2024
115hp 2004-2024
130hp 2004
150hp 2004-2024
175hp 2004-2024
200hp 2004-2023
225hp 2004-2021
250hp 2004-2021
300hp 2004-2008
67H-83672-01-00
67H-83672-02-00
67H-83672-03-00
6CB-W4624-00-00
6CB-46241-00-00