The transition from the tiller control to remote control is a landmark stage in the modernization of any small-sized vessel. Remote control on the outboard motor Not only does it increase comfort, but it also greatly enhances navigation, allowing you to control speed and direction from anywhere in the cockpit, especially for rigid boats where the rummule can be uncomfortable or physically restrict the movement of the angler.
The main task of the system is to transfer the force from the gas-reverse handle to the engine control levers with minimal losses. electronic systems fly-by-wireMechanical systems require careful selection of components, because it is the quality of the cables and their laying that determines the safety and accuracy of the engine's response to your commands. Wrong choice can lead to a snag of the cable or, worse, to the inability to release gas in a critical situation.
In this article, we will discuss in detail how to choose a reliable control system, what types of cables exist and how to install the mechanism correctly without the involvement of third-party specialists. You will learn about the nuances of installation that beginners often miss, and understand why saving on quality components is unacceptable here.
Basic types of engine control systems
The modern market offers several design solutions for the transfer of control actions. mechanical They are reliable, relatively easy to maintain, and do not require complex electrical work, and they work by rigidly linking the handle and the motor levers through steel cables in the shell, and it is important to note that there are systems with one cable (gas) and two cables (gas and reverse).
A more advanced but expensive solution is electronically controlledThere's no physical connection between the handle and the engine, and the signal is transmitted over wires, and the throttle and the reverse rod are moved by electric actuators, which allows you to place the control handle anywhere, even remote, and provides smoothness that is not available to the mechanics.
For most aqueous motors, however, the best choice is a time-tested mechanic, the key element being the control mechanism itself, which can be lateral (for installation on board) or central (for installation on a bulkhead or console). Side control Often chosen for boats with low landing, and the central - for boats with windshields.
- 🔧 Mechanical cables: classic genre, requiring periodic lubrication and tension testing.
- ⚡ Electronic (Fly-by-Wire): maximum comfort, lack of backlashes, but high price and dependence on the onboard network.
- 🌊 Hydraulic: They are rarely used, mainly on high-power stationary engines, requiring a special pump.
⚠️ Note: When choosing a system, make sure it is compatible with your type of motor. Some modern Yamaha or Mercury engines may require specific cables or adapters to operate the reverse properly.
The choice of system type depends on the budget and design of the boat. If you plan to install on a small PVC boat with a hinged transom, you should prefer compact side mechanisms. For larger vessels with a cockpit, the ideal central models with the possibility of installing long cables.
Selection of control cables: length and specifications
The most important parameter in the selection of components is steering-lineIt is measured from the point of attachment of the control mechanism to the point of attachment on the motor along the shortest path of the gasket, taking into account all the curves. Standard dimensions usually range from 3 meters (10 feet) to 6 meters (20 feet) or more. Buying a back-to-back cable is a gross error leading to stretching and rapid wear.
The cable shell also matters: quality products use a polyethylene or Teflon inner sleeve, which provides minimal friction and protection from moisture. The steel cable inside should be flexible, but not stretchable. Cheap analogues often corrosion the inner cable after the first season of active use in salt water.
When calculating the length, consider the radii of the bends. Sharp turns of the cable at an angle of less than 150 degrees can lead to its jamming or destruction of the shell. The minimum bend radius for most control cables is 15-20 centimeters. If the gasket track is difficult, use special guide rollers or corrugated for protection.
- 📏 Measurement accuracy: Measure the location of the future gasket, not in a straight line.
- 🛡️ Defense: Pay attention to the presence of protection from ultraviolet light and salt water.
- 🔄 Reserve: Always take a cable with a margin of 15-20 cm for adjustments.
Don't ignore the quality of the tips. They're the ones that get the most load when you flip the reverse. Cast zinc or brass tips are preferable to stamped tips that can crack under load. The reliability of the whole system is often determined by the weakest link, the weakest link, which is often the cheapest cable.
Instructions for installation of the control
Installation of the system is a process that requires precision and adherence to technology. Before drilling holes in the board, you need to carefully try on the mechanism. gas-reverse There is no restriction and it is convenient for the operator to access it in any situation, and an improperly installed handle can cause injury or loss of control.
You'll need a standard set of tools to install: a drill, a metal drill (usually 4-6 mm), a set of keys, a sealant for marine applications and a marker. First, the installation site is marked. If the mechanism is side, it is attached to the side, it is attached to the side or a special bracket. Central models require cutting holes in the instrument panel or mounting on a pedestal.
☑️ Preparation for installation
Once the body is fixed, the cables are laid, the ropes must go as straight as possible, without hinges and torsions, and at the exits of the shell and in the entrance to the engine, be sure to use plastic sleeves or rubber seals to prevent rubbing metal against metal, which is critical for the longevity of the system.
⚠️ Attention: When drilling holes in the aluminum boat hull, be sure to use anti-corrosion treatment of the edges of the hole and install bushes to avoid galvanic corrosion at the point of contact with the fastener.
The final step in mechanical assembly is to connect the thrusts to the motor levers, and the important thing to do is to keep the sequence: first, the gas cable is fixed, then the reverse, and the adjustment is made so that the motor is also neutral in the handle position and the gas is completely closed.
Connection scheme and electrical part
Although the basic system is mechanical, modern control mechanisms often have electrical components. neutral-position sensor This element blocks the starter if the reverse lever is not in the "N" position, and ignoring this assembly makes starting the engine impossible on many modern models.
Connection is done according to the color marking of the wires, which is usually standardized: black wire is mass, other colors are responsible for the chains of the starter and tachometer. To connect, use only marine wiring and thermal shrinkage with adhesive layer. Conventional insulation in conditions of humidity and vibration will not survive long.
Connection scheme of the neutral sensor:1. Red wire -> +12V (from the ignition lock)
2. Purple wire -> Starter (S)
3. Black wire -> Mass (Ground)
And the control mechanism also often uses wires for the tachometer and the temperature sensor, and it's convenient to collect all the signals into a single braid and protect it with corrugation, and it's not only aesthetically pleasing, it's safe, and the vibration of the motor can over time wipe the insulation of the open wires, which will lead to a short circuit.
Adjustment and configuration of the system
After installation, the fine-tuning stage comes. Adjustment of cables It's a balancing act between free running and force clarity, and if you pull the rope, the handle will be tight, and the motor may not be fully revving, and if you don't, you'll have a backlash, and you won't be able to control the speed exactly.
The adjustment is done by using threaded tips at the ends of the cables, and by rotating them, you change the effective length of the cable. First, adjust the gas: in the extreme rear position of the handle, the carburetor valve or throttle valve of the injector should be completely closed. In the extreme front, completely open.
| Parameter | Normal value. | Permissible deviation | Effects of error |
|---|---|---|---|
| Gas cable stroke | Full stroke of the handle | ± 2 mm | Underheating or overheating of the engine |
| Turn-coat progress | Clear clicks | No backlash. | Unauthorized transmission activation |
| Handle-strength | 3-5 kg | Comfortable. | Fast operator fatigue |
| Bending radius | > 150 mm | At least 100 mm | Tie break or jamming |
Pay special attention to synchronization if you have two engines. The cables must be adjusted exactly the same, otherwise the boat will constantly be sideways when driving in a straight line. Use a tachometer to fine-tune the speed readings on both engines.
Typical malfunctions and their elimination
There can be problems in the operation, and the most common of them is tetheringIt's caused by dirt, sand, or corrosion inside the shell, and the symptoms are a tight grip, or the inability to get the gas back to zero, and the solution is one: dismantle, clean, lubricate, or change the cable.
Another common problem is cutting the plastic gears inside the control mechanism, which happens when the reverse is turned on sharply, impactfully at high revs. Plastic gears They act as a safety lock, protecting the more expensive parts of the motor, and replacing them requires disassembling the body of the mechanism.
- 🔨 Luft the handles: wear of the bushings or weakening of the fasteners.
- 💧 Contact oxidation: This leads to a failure of the neutral sensor, the motor does not start.
- 🧶 Separation of the cable: critical malfunction requiring immediate replacement.
Regular maintenance prolongs the life of the system. Once a season, it is recommended to remove the cables, clean them of old lubricant and apply a new one. Also check the condition of the electrical connectors for oxidation. Simple preventive measures will help to avoid situations where the boat is left without going far from shore.
⚠️ Warning: Never force a jammed cable through, which can cause it to break inside the shell, and then it will be extremely difficult to remove the residue without replacing the entire highway.
Maintenance and care of the management system
The longevity of the system depends not only on the quality of the installation, but also on the care. The marine environment is aggressive: salt, ultraviolet light and temperature changes do their job. Winter conservation The control mechanism should be removed or carefully closed with a cover and the cables treated with preservative lubricant.
Visual inspection should be done before each outing, check the integrity of the cable shell, especially at the entrance to the engine and mechanism. Any crack is an open gate for moisture. Also check the reliability of the attachment of the mechanism itself to the board - vibration can weaken the bolts.
The electrical part is important, because the sensors and connectors are treated periodically with a Contact Cleaner spray, which removes the oxides and restores conductivity, ensuring that the engine starts confidently at any time.
Which cable is better: with a plastic or metal shell?
Metal braided cables (stainless steel) are more durable and resistant to abrasion, but they are tougher and heavier. Plastic shell is lighter and cheaper, but ages faster in the sun. For most amateur boats, quality plastic (PVC) is quite sufficient, for professional use it is better to use 316 steel.
Can I extend the control cable on my own?
Not recommended, but splicing cables breaks the integrity, creates friction points and potential jamming, and the reliability of the control system is critical to safety, so always use the factory-length cables.
Why is the reverse lever not fixed in the "N" position?
It's probably a latch bracket that's worn out inside the mechanism, or a spring that's weakened, and it could be a misalignment of the cable that just keeps the lever from getting to the locking position, and it requires disassembling the mechanism and replacing the worn parts.
Do I need to lubricate the control cables?
Yes, it is. The cable inside the shell should slide freely. Use specialized marine lubricants that are not washed away with water or thickened in the cold. Regular motor oil will quickly wash out and leave the rope dry.