Blog
MerCruiser Alpha Gear Tooth Ratio Chart
Mercruiser R-Style Sterndrives (1969 – 1983)
Engine
HP
Liters/CID
Cylinders
Gear Ratio
Tooth Count
Year
2.5 Liter
120
2.5/153
4
1.98
20-24
1969-1983
2.5 Liter
130
2.5/153
4
1.98
20-24
1969-1983
165
165
3.7/224
6
1.65
24-24
1969-1983
470
170 – 190
4.3/262
4
1.84
17-19
1969-1983
215 – 233
205 – 230
351
8
1.5
20-22
1969-1983
260
260
5.7/350
8
1.5
20-22
1969-1983
Mercruiser Alpha 1 (1984 – 1990 Models)
Eng
…
23rd Aug 2024
MerCruiser Exhaust Buyers Guide
13th May 2024
Choosing the Right Anodes Material Your Boat
Marine anodes, also known as sacrificial anodes or cathodic protection anodes, are essential components used to protect metal structures in marine environments from corrosion. These anodes are made of metals that have a higher electrochemical potential than the structures they are intended to protect. When connected to the metal structure, they corrode sacrificially, preventing the corrosion of the protected structure. Here are some common types of metals used for marine anodes:
Zinc Anodes:
P
…
20th Feb 2024
Mercury Gen 1 vs Gen 2 Control Cables - How to tell them apart.
The end that goes to the motor is the same for both cables. Gen 1 cables have a barrel shaped stopper, gen 2 cables do not. If you have gen 1 cables and youd like to switch to gen 2, you will have to update your controls and cables both to gen 2.Gen 1 Control Cable
Gen 2 Control Cable
…
30th Jan 2024
MerCruiser I/O & Inboard Oil Capacity Guide
We do our best to make suggestions, but please double check your owners manual before making a purchase and using any product! Always check the dipstick!Suggested Oil:
Mercury 25W40Mercury 25W40 Synthetic BlendMercury 10W30 Synthetic BlendModelMakeCID/LitreCyl.Year RangeSerial RangeApprox. Oil Pan CapacityMCM 60Renault68/1.1LI/L 41965 -19681887079 – 20490442-3/4 US qt (2.6 L)MCM 80Renault80/1.3LI/L 41966 -19692049045 – 28514235 US qt (4.7 L)MCM 90Renault96/1.6LI/L 41970 -19722851424 – 32269575
…
30th Jan 2024
Mercury Avator 7.5e Now Available At PowerBoatSupply.com
PowerBoatSupply.com
is proud to announce that we are now offering Mercury Marine’s new
Avator 7.5e electric outboard motor. Featuring an
all-in-one propulsion package that includes the motor, battery, and
electronics, the Avator is designed for small watercraft that use transom-mount
outboards.
The name “Avator”
is a combination of “Advanced” and “Thor,” the latter being the name of the
first outboard motor ever produced by Mercury. Just like that original model,
Mercury Marin
…
30th Jan 2024
Secure Your Boat for a Storm: Essential Tips and Best Practices
When a storm is on the horizon, safeguarding your boat becomes a top priority. Properly tying up your boat can prevent damage and ensure its safety. Follow these expert steps to secure your boat effectively in preparation for an impending storm.1. Choose a Safe Harbor:Identify a secure harbor, marina, or designated storm shelter to protect your boat from the impending storm’s effects.2. Inspect and Upgrade Dock Lines:Thoroughly check the condition and strength of your boat’s dock lines. Opt for
…
30th Jan 2024
How to Winterize Your Outboard Motor
Winterization of your outboard motor requires a few essential steps, including removing the battery, changing the oil, adding fuel treatment, and fogging the engine.
When the off-season rolls around, proper winterization of your outboard can prevent engine defects and malfunctions from keeping your vessel out of commission when the water calls.
Here are a few key steps to follow when winterizing your Mercury Marine outboard motors.Gather Your Supplies
Before getting started, it’s best
…
29th Jan 2024
Should I Use a Fuel Additive For My Boat?
Due to the damaging effects of ethanol, boat owners and mechanics are encouraged to use a fuel additive to ensure good performance and longevity by avoiding issues like engine corrosion.
Proper maintenance is key to getting the most out of your watercraft. This includes using fuel additives, which can protect your engine while also ensuring top performance on the water.
Purchase top-quality fuel additive kits from NuWave Marine.How Do Fuel Additives Work?
The ethanol in gasoline can ca
…
29th Jan 2024
NuWaveMarine.com is now PowerBoatSupply.com
NuWave is growing thanks to your support. We have decided to re-brand our online store to help differentiate it from our NJ boat dealership.
24th Jan 2024