Stainless steel outboard propeller for Yamaha outboard engines (9.9HP–20HP 2 & 4 stroke). Designed for strength, durability, and improved performance over aluminium alternatives.

Manufactured to OEM specification, this SSI Marine propeller offers enhanced corrosion resistance and long service life in demanding marine conditions.

9 1/4 x 11

Fitment

Yamaha Outboard Engines

2 Stroke:
• 9.9 HP
• 15 HP

4 Stroke:
• F9.9 (with oil filter models)
• F15
• F20

⚠️ Does NOT fit F20G models (uses 10 spline shaft)

IMPORTANT

Please check and confirm that 9 1/4 x 11J and 8 spline is the correct propeller size for your engine.
If unsure, please contact us and we will try to advise you.

Details

• Diameter: 9 1/4
• Pitch: 11
• Splines: 8 (8 Tooth)
• Type: J Type
• Blades: 3
• Rotation: Right Hand
• Material: Stainless Steel
• Brand: SSI Marine
• Direct replacement – no modification required

Why Buy from SSI Marine

Workshop-tested aftermarket & OEM-spec parts
Fast UK dispatch (same-day before 1 PM Mon–Fri)
Tracked 24-hour UK delivery
UK stock – collection available from Leigh (Manchester)
Technical support available

Buyer Responsibility

Please confirm compatibility with your engine model and serial number before purchase.
If unsure, contact us — our technical team will be happy to help.

9.9 15 20HP 9 1/4 x 11J Yamaha Outboard Stainless Steel Propeller 8 Spline