is this oil full synthetic

This product is a mineral based oil. “ The NEW mineral 4-Stroke oil is also now approved for use in all outboard engines; previously only our syntetic blend could make this claim” Quicksilver makes a synthetic and it states synthetic on its lable.

What's the difference between mercury oil

It is the same as Mercury oil. Quicksilver is the Mercury lubricant brand and has been for years.

How do I know if motor is 2 or 4 stroke? Basic Mercury 125 pontoon motor

Look on the engine and your book if you got one. It will tell you if 2 or 4 stroke

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Quicksilver by Mercury Marine 25W-40 Marine Engine Oil

Product ID: 18858215

Details

Brand
Quicksilver
Liquid Volume
128 fluid
Package Information
Bottle
UPC
745061915787
Vehicle Service Type
Marine

⚙️25W-40 viscosity for optimal engine flow

🛡️Superior corrosion & wear protection

🛥️Specifically engineered for 4-stroke marine engines

R3191

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛥️ Keep your engine cruising at peak power — don’t let your boat be the one left behind!

TRUSTED BY THOUSANDS - Rated 4.8 stars by over 2,700 marine enthusiasts who refuse to compromise on engine care.
OEM GRADE RELIABILITY - Meets Mercury Marine original equipment specs, guaranteeing perfect compatibility and peak engine protection.
READY FOR THE LONG HAUL - 1-gallon bottle designed for easy maintenance, keeping your marine engine cruising season after season.
ULTIMATE CORROSION DEFENSE - Advanced formula shields your engine from saltwater damage, extending engine life and reliability.
PRECISION MARINE PERFORMANCE - Tailored 25W-40 viscosity ensures your outboard motor runs smoothly at high RPMs, maximizing power and efficiency.

Quicksilver 25W-40 Marine Engine Oil is a premium, OEM-spec 4-stroke motor oil designed to optimize high-RPM outboard engine performance. It delivers superior corrosion resistance and wear protection, ensuring long-lasting reliability for marine engines. Trusted by thousands with a 4.8-star rating, this 1-gallon oil is the go-to choice for serious boaters who demand peak performance and durability.

Specifications

ASIN	B00N6DF8SW
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#1,689 in Automotive ( See Top 100 in Automotive ) #31 in Motor Oils
Brand Name	Quicksilver
Compatible with Vehicle Type	Marine Vehicles
Container Type	Bottle
Customer Reviews	4.8 4.8 out of 5 stars (2,786)
Global Trade Identification Number	00745061915527
Included Components	End Product & Information
Item Type Name	25W-40 Oil
Item Weight	7 pounds
Liquid Volume	128 fluid ounces
Manufacturer	Quicksilver
Manufacturer Part Number	8M0078620
Model Number	8M0078620
Number of Packs	1
Size	1 gallon
UPC	745061915787 745061915527
Unit Count	128 Fluid Ounces
Viscosity Level	Medium to High

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TrustScore 4.5 | 7,300+ reviews

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