Arco 6250 Tilt and Trim Motor | Mercury 2-Wire
Arco 6250 Tilt and Trim Motor | Mercury 2-Wire
Arco Marine
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Arco 6250 — Tilt and Trim Motor | Mercury 2-Wire
Arco 6250 is a heavy duty 2-wire tilt and trim motor built to bring reliable, consistent trim performance back to late model Mercury 135, 150, XR6, 175, 200, 225, and 250 HP outboards, as well as Mercury 105-140 HP Jet models. A 2 bolt mount, flat-blade shaft, and bullet connector terminal ends make it a straightforward, correct-fit upgrade over a tired original motor. Replaces Mercury 8M0031551.
Part Specifications
- Arco Part Number: 6250
- Type: Tilt and trim motor, 2-wire, heavy duty
- Application: Mercury 135, 150, XR6, 175, 200, 225, 250 HP outboards; Mercury 105-140 HP Jet
- Mounting: 2 bolt mount
- Shaft: Flat-blade
- Terminals: Bullet connector
- Replaces: Mercury 8M0031551
Confirm Fitment Before Ordering
Not sure if this motor fits your outboard? Give us your engine model and serial number and we'll confirm it for you before you order — by email, text, or live chat.
Additional Information
- Vendor: Arco Marine
- Part Number: 6250
- OEM Cross-Reference: Replaces Mercury 8M0031551
Installation Notes
Install following the applicable Mercury outboard service manual for your engine model.
Frequently Asked Questions
Q: How do I confirm this motor fits my outboard?
A: Send us your Mercury engine model, HP, and serial number and we'll confirm 6250 is the right tilt and trim motor for your outboard — by email, text, or live chat, so you order with confidence the first time.
Q: What are signs my tilt and trim motor needs replacing?
A: Slow or weak tilt/trim response, a motor that runs but doesn't move the drive, or unusual grinding noises are common signs it's time for a fresh motor like this one.
Q: Does this include the mounting hardware?
A: This is the 2-wire motor itself with a 2 bolt mount and flat-blade shaft ready to install; confirm your existing hardware is in good condition before reinstalling it.
Q: Is this a direct replacement for Mercury 8M0031551?
A: Yes, Arco 6250 is built as a direct replacement for Mercury 8M0031551, so your existing wiring and mounting should carry over cleanly.
Q: Why choose Arco over a rebuilt or used motor?
A: Arco motors are new units built to OEM specifications, giving you a known-good baseline for reliability rather than the uncertainty of a rebuilt or used part.
! Compatibility references are provided for informational purposes only and do not constitute a fitment guarantee. Part numbers, application listings, and "replaces" cross-references are based on manufacturer data and are intended as a starting point for identification — not a guarantee of fit for your specific engine, hull, or installation.
Buyer is solely responsible for verifying compatibility with their engine model, serial number, model year, and trim configuration before purchase. If you are unsure whether this part fits your application, contact MacombMarineParts.com before you buy — we're available via text, email, or online chat to help verify compatibility for your specific application.
MacombMarineParts.com is not liable for parts ordered based on assumed fitment. Returns due to buyer-selected incorrect fitment are subject to our standard return and restocking fee policies.