Mercury 2.5M 4-Stroke Outboard Engine. 

This is covered by Mercury's 3-Year Warranty. 
It is brand NEW in its box.

We are an authorized Mercury/MerCruiser dealer and service center.

Features and Benefits:
Patented one-piece integrated cylinderblock design provides added reliability by 
eliminating gaskets and fasteners and makes the powerhead much more compact and 
lightweight.
Check oil level without removing the cowling with convenient, easy-to-view sight gauge.
This engine delivers maximum performance with the largest displacement in the 2.5 hp 
category.
A twist-grip throttle and 360-degree steering make it easy to use.


2.5 FourStroke Specifications:
HP @ Prop: 2.5
kW @ Prop: 1.9
Max RPM (WOT): 5000-6000
Cylinder/Configuration: 1
Displacement (CID/cc): 5.2/85
Bore & Stroke (in): 2.16 x 1.42
Bore & Stroke (mm): 55 x 36
Cooling System: Water-cooled w/thermostat
Ignition System: CDI w/electric spark advance
Starting: Manual
Gear Ratio: 2.15:1
Gear Shift: F-N
Steering: Tiller with 360º turning
Trim Positions: 4
Exhaust System: Above prop
Lubrication System: Splash
Recommended Oil: Mercury 4-Stroke Outboard Oil
Oil Capacity: 300 mL / 10 oz
Fuel Induction System: 2-valve single overhead cam
Integral Fuel Tank (Gal): 0.3
Integral Fuel Tank (L): 0.95
Shaft Length (inches): 15
Shaft Length (mm): 381
Dry Weight (lbs.): 38
Dry Weight (kg.): 17
Available Propellers: Standard equipment
Warranty: 3 years
CARB Star Rating: 3
Mercury Marine Outboards
Mercury Marine
EPA StandardMeets or exceeds all Federal
EPA emission standards
California C.A.R.BCalifornia C.A.R.B.
three star rating
for ultra low emissions


How to choose the correct O/B shaft length for your boat:

If mounting directly to a boat transom: Measure from the top of the transom down to the bottom of the hull or keel (lowest point). Measure the area of the transom directly where the engine will be mounted. See diagram below.


If using an auxiliary mounting bracket: With the bracket in the down position, measure from the top of the bracket’s mounting surface down to the bottom of the hull or keel (lowest point where engine will be mounted). Tip: For most auxiliary applications, it is possible to use a longer shaft length than what is called for, provided there is sufficient clearance when the engine is in the up position. This can be especially useful in heavy seas.


If measuring an existing outboard:Measure from the inside top of mounting bracket down to anti-cavitation plate above propeller (this is the largest plate/fin directly above the propeller). See diagram below.

Height Measurement:

Recommended Shaft Length:

14” – 17.25”

15” Shaft (Short)

17.25” – 19.5”

Varies by application – contact boat mfg.

19.5” – 22.5”

20” Shaft (Long)

22.5” – 27”

25” Shaft (Extra-Long)








Shipping will cost $50.00 anywhere within the continental United States. 

Acceptable payments are: Visa, Master Card, Discover, Certified Check, PayPal or Personal Checks.  

 If you have any questions or if you need any help with your purchase please call 732-751-1200 

Thank you for your time and interest. 


On Jul-26-10 at 15:53:54 PDT, seller added the following information:


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On Jul-18-13 at 06:23:29 PDT, seller added the following information:

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