Sierra Hi-Performance Gear-Reduction Starter – Yamaha 4-Stroke Outboards | 47-5920
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Sierra Hi-Performance Gear-Reduction Starter – Yamaha 4-Stroke Outboards | 47-5920
Upgrade your Yamaha 4-stroke outboard’s cranking performance with this Sierra hi-performance gear-reduction starter. Engineered to spin faster and draw less current than a standard replacement, it’s built for larger Yamaha 4-stroke outboards where reliable, high-output starting is a priority — particularly on high-compression engines that put heavy demands on the starter at every key turn.
Compatible Applications
- Yamaha 4-stroke outboard engines including F115, F150, F200, F225, and F250
- Refer to Sierra’s current application guide to confirm fitment for your specific engine model and year
Key Features
- Gear-reduction design for faster cranking speed and lower amp draw
- Hi-performance upgrade over standard OEM-style starters
- Built to OEM specifications for direct-fit installation
- Reduces electrical load on battery and wiring — especially valuable on boats with multiple electronics
- Brand new construction
Parts Desk Insights
Larger Yamaha 4-stroke outboards are known for their high compression ratios, which means they demand more from the starter at every cold start. If your engine cranks slowly, hesitates before firing, or has worn through more than one starter, this gear-reduction unit is the right upgrade — it spins the engine faster with less current draw, which extends starter life and reduces strain on the battery. It’s also a smart choice on boats with heavy electronics loads where every amp counts. For a standard-output Yamaha starter alternative, see the Arco Replacement Starter for Yamaha 115–200 HP. If you’re also dealing with trim issues, the ARCO Heavy-Duty Tilt/Trim Motor for Yamaha Outboards is available separately.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.