Outboard Motor
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| NEW JOHNSON EVINRUDE SPARK PLUG WIRE SET V4 OUTBOARD MOTOR MAL 928092 | |
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$31.50 End Date: Tuesday Jun-5-2012 19:42:19 PDT Buy It Now for only: $31.50 Buy It Now | Add to watch list |
| 235 HP Evinrude Outboard Motor CDI Box Power Pack | |
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$48.99 End Date: Wednesday May-23-2012 21:03:16 PDT |
| Replacement Mercury Mariner Force Honda Outboard Motor Spare Boat Ignition Keys | |
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$9.88 End Date: Saturday Jun-2-2012 12:03:38 PDT Buy It Now for only: $9.88 Buy It Now | Add to watch list |
| NEW JOHNSON EVINRUDE SPARK PLUG WIRE SET V4 OUTBOARD MOTOR MAL928092 | |
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$31.75 End Date: Thursday May-24-2012 13:05:44 PDT Buy It Now for only: $31.75 Buy It Now | Add to watch list |
| MERCURY OPTIMAX SPARK PLUG WIRE SET 6 CYLINDER OUTBOARD MOTOR | |
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$59.95 End Date: Sunday Jun-10-2012 15:19:57 PDT Buy It Now for only: $59.95 Buy It Now | Add to watch list |
| JOHNSON EVINRUDE SPARK PLUG WIRE SET V4 OUTBOARD MOTOR | |
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$31.95 End Date: Wednesday May-30-2012 15:16:19 PDT Buy It Now for only: $31.95 Buy It Now | Add to watch list |
| MERCURY mercruiser OUTBOARD MOTOR COIL PACK | |
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$10.00 End Date: Wednesday May-23-2012 5:01:38 PDT Buy It Now for only: $10.00 Buy It Now | Add to watch list |
| MERCURY SPARK PLUG WIRE SET 4 CYLINDER OUTBOARD MOTOR | |
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$37.95 End Date: Wednesday May-30-2012 15:37:55 PDT Buy It Now for only: $37.95 Buy It Now | Add to watch list |
| MERCURY SPARK PLUG WIRE 9 OUTBOARD MOTOR | |
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$12.89 End Date: Saturday Jun-2-2012 13:54:17 PDT Buy It Now for only: $12.89 Buy It Now | Add to watch list |
| Johnson Evinrude Outboard Motor Points Adjusting Cam Screw 510185 1950s 60s | |
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$8.50 End Date: Friday May-18-2012 14:51:40 PDT Buy It Now for only: $8.50 Buy It Now | Add to watch list |
| 235 HP Evinrude Outboard Motor CDI Box Power Pack | |
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$48.99 End Date: Sunday Jun-10-2012 6:33:17 PDT Buy It Now for only: $48.99 Buy It Now | Add to watch list |
| MERCURY SPARK PLUG WIRE SET 225 250 6CYL OUTBOARD MOTOR | |
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$41.75 End Date: Wednesday May-30-2012 15:37:51 PDT Buy It Now for only: $41.75 Buy It Now | Add to watch list |
| 235 HP Evinrude Outboard Motor Rectifier Regulator | |
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$26.99 End Date: Sunday Jun-10-2012 6:31:55 PDT Buy It Now for only: $26.99 Buy It Now | Add to watch list |
| New Starter Yamaha Outboard Motor 40 40HP 2001 2009 | |
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$80.00 End Date: Sunday Jun-10-2012 9:54:13 PDT Buy It Now for only: $80.00 Buy It Now | Add to watch list |
| New Starter Yamaha Outboard Motor 25 25HP 1998 2006 | |
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$80.00 End Date: Sunday Jun-10-2012 9:39:09 PDT Buy It Now for only: $80.00 Buy It Now | Add to watch list |
| MERCURY OPTIMAX SPARK PLUG WIRE MERCURY 84 881908T OUTBOARD MOTOR | |
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$12.95 End Date: Sunday Jun-10-2012 15:31:59 PDT Buy It Now for only: $12.95 Buy It Now | Add to watch list |
| NEW Tilt Trim Motor OMC EVINRUDE JOHNSON OUTBOARDS | |
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$90.00 End Date: Saturday Jun-2-2012 21:05:29 PDT Buy It Now for only: $90.00 Buy It Now | Add to watch list |
| MERCURY OPTIMAX SPARK PLUG WIRE SET 3 CYLINDER OUTBOARD MOTOR | |
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$34.95 End Date: Sunday Jun-10-2012 15:24:48 PDT Buy It Now for only: $34.95 Buy It Now | Add to watch list |
| Johnson Evinrude Outboard Motor Intake Manifold 309711 317397 1967 74 9hp 10hp | |
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$20.50 End Date: Friday May-18-2012 14:43:33 PDT Buy It Now for only: $20.50 Buy It Now | Add to watch list |
| 235 HP Evinrude Outboard Motor Starter Solenoid | |
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$21.99 End Date: Sunday Jun-10-2012 6:31:34 PDT Buy It Now for only: $21.99 Buy It Now | Add to watch list |
| New Starter Yamaha Outboard Motor 30 30HP 2001 2006 | |
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$80.00 End Date: Sunday Jun-10-2012 9:42:15 PDT Buy It Now for only: $80.00 Buy It Now | Add to watch list |
| MERCURY OPTIMAX SPARK PLUG WIRE SET 4 CYLINDER OUTBOARD MOTOR | |
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$39.95 End Date: Sunday Jun-10-2012 15:22:31 PDT Buy It Now for only: $39.95 Buy It Now | Add to watch list |
| MERCURY OUTBOARD MOTOR RECTIFIER 6 CYL | |
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$25.00 End Date: Friday Jun-1-2012 3:45:02 PDT Buy It Now for only: $25.00 Buy It Now | Add to watch list |
| JOHNSON EVINRUDE 1996 BOAT TO 1995 ENGINE 176346 BOAT OUTBOARD MOTOR | |
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$230.72 End Date: Tuesday May-22-2012 4:42:18 PDT Buy It Now for only: $230.72 Buy It Now | Add to watch list |
| USED STARTER MOTOR 50 66015 MERCURY OUTBOARDS 1976 1999 MODEL 50 90 HP DRW 2 | |
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$69.99 End Date: Saturday Jun-2-2012 20:36:10 PDT Buy It Now for only: $69.99 Buy It Now | Add to watch list |
| New Starter 97 01 Mercury Outboard Motors Many Models | |
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$85.99 End Date: Friday Jun-15-2012 4:41:47 PDT Buy It Now for only: $85.99 Buy It Now | Add to watch list |
| Ignition Coil Looper Johnson Evinrude Outboard boat motor 90hp 583740 V4 | |
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$14.99 End Date: Saturday Jun-9-2012 17:21:46 PDT Buy It Now for only: $14.99 Buy It Now | Add to watch list |
| 1996 Power Pack 110HP Johnson Outboard Motor | |
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$58.49 End Date: Saturday Jun-16-2012 9:25:01 PDT Buy It Now for only: $58.49 Buy It Now | Add to watch list |
| USED STARTER MOTOR 50 72467 FOR MERCURY OUTBOARDS DRW 2 | |
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$77.99 End Date: Saturday Jun-2-2012 20:36:10 PDT Buy It Now for only: $77.99 Buy It Now | Add to watch list |
| MERCURY OUTBOARDS 50 44369A1 USED STARTER MOTOR 1976 1994 MODELS 50 70 HP DRW 2 | |
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$169.99 End Date: Saturday Jun-2-2012 20:36:11 PDT Buy It Now for only: $169.99 Buy It Now | Add to watch list |
| STEARING LINKAGE FIT MOST OUTBOARD MOTORS | |
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$19.95 End Date: Friday May-18-2012 17:50:38 PDT Buy It Now for only: $19.95 Buy It Now | Add to watch list |
| Mercury Mariner Outboard Starter Motor 12V NEW 814980M | |
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$199.88 End Date: Sunday Jun-3-2012 11:12:55 PDT Buy It Now for only: $199.88 Buy It Now | Add to watch list |
| Yamaha Outboard Starter Motor OEM 65W 81800 01 00 NEW | |
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$249.99 End Date: Monday Jun-11-2012 6:59:21 PDT Buy It Now for only: $249.99 Buy It Now | Add to watch list |
| Mercury Outboard TPM fits 30 and 40 2cylinder motors Ignition Box switch box | |
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$375.00 End Date: Saturday Jun-2-2012 12:56:56 PDT Buy It Now for only: $375.00 Buy It Now | Add to watch list |
| Outboard Starter Motor MES Part S2068M | |
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$125.00 End Date: Tuesday May-22-2012 13:02:56 PDT Buy It Now for only: $125.00 Buy It Now | Add to watch list |
Choosing The Right Engine
Choosing the engine (or propulsion system) for your boat is very important. Both the weight and the horsepower will have a major impact on the performance of your boat. If you have a boat that's underpowered, the engine will work twice as hard, giving you poor
performance. Now, we will take a look at the motors available for boats and vessels:
Outboard motor
An outboard motor is very popular and very useful on small boats. These motors are very light, powerful, and extremely quiet. Normally mounted on the transom of a boat, there are boats available that offer a motor well or even a bracket to mount the motor to.
The entire motor will swivel about, providing easysteering as the turning propeller pushes the stern about. Outboard motors come in many different sizes and the horsepower can use different types of fuel.
These motors are also known as I/O engines, and normally heavier than outboard motors. Consisting of an engine mounted inboard and a lower unit attached to the transom, these motors offer power and versitility. You can also tilt the motor up and down to help provide boat trim while you cruise.
Inboards
On boats that are over 26 feet in length, these motors are very popular. Similiar to the stern drive motor, the inboard motor is mounted inside the boat towards the center, giving you good weight proportion.
Inboards connect directly to the transmission, then on through the hull of the boat. Then, the shaft is attached to a propeller which will turn and propel the boat. The shaft is fixed and doesn't swivel around. Therefore, a rudder is mounted behind the shaft and propeller to help deflect the low of water which provides your steering direction.
Jet drive
Jet drive propulsion systems have a big advantage -no propeller to cause damage or injury to those in the water, including marine life. Normally, they are inboard engines that will take in water that flows through a pump, powered by an impeller.
Then, the water is discharged at a very high pressure through a nozzle that will propel the boat. To provide steering for the boat, the nozzle will swivel. For personal watercraft, a jet drive is the way to go.
Keep in mind that when power isn't being applied, jet driven boats will lose steering, as the stream of water that propels the boat won't be there. Therefore, always keep any part of your body away from the pump intake - and never operate these types
of boats in shallow water.
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300 HP Suzuki Outboard Motor Upgrade!! on 10 metre Cougar Cat
How Does a Direct Injection Outboard Motor Work?
Direct injection is generally used in case of internal combustion engines. These engines are basically adopted in the modern 2 stroke engines as well as 4 stroke engines. In these engines, the gasoline is pressurized first and then it is injected into a combustion chamber with the help of a fuel line. This technology is different from the conventional technology, and this does not involve the multipoint fuel injection that happens in the cylinder port or intake tract.
There are many advantages of using a direct injection outboard motor engine. High power output and increased fuel efficiency are among the two biggest advantages of these engines. In addition to it, the injected fuel leads to the cooling effect and evenly dispersed mixture allow for far more aggressive ignition timing. If you have direct injection outboard motor with you then you can control the levels of emission or pollution. This happens mainly because of more precise control of the fuel as well as injection timings that are varied according to the condition of load.
In these engines the engine speed is usually controlled by engine management system or EMS, as it is popularly known. It regulates the ignition timing and fuel injection function, instead of having a throttle plate that restricts the supply of air. Apart from this function, the engine management system requires enhancement of memory and processing so as to ensure good drivability and performance. Unlike the carbureted or fuel injected engines, there are hardly any throttling losses in some direct engines, thereby reducing the pumping losses, improving efficiency in engine.
The concept of hybrid technology has made direct injection outboard motors even more popular. Now you can find direct injection accompanied with various other technology like Water Injection, Variable Valve Timing and Ultra Lean Mixtures etc.
These technologies have made it possible to inject the fuel in multiple times during a single cycle, thereby resulting in more economy and power. Due to this reason, most of the companies are switching to this technology in their normal running. Learn about Direct Injection and about Boats for Sale.
Now with almost all the major outboard engines manufacturers making use of these technologies and coming out with a wide range of direct injection motors you will face a tough time in choosing one. All you need to do is to gather as much information as possible and then make a wise and logical decision. Don't get away with the lucrative ads that you see but check on the specification of the engines so as to see which of them cater to your needs.
Direct injection motors are more appropriate in case of 2 stroke engines, simply because they want to eliminate the pollution emission levels. In 2 stroke engines, the intake ports and exhaust both are opened at the same time, thus a large portion of unburned fuel get out of exhaust port. However with direct injection only air comes out of the crankcase, resulting in reduced emission.
About the Author
To the adventurous outdoors enthusiast, we bring Direct Injection. Brought to you by the site with Boats for Sale.
December 13, 2007 



































