Autopilots - We offer the best autopilot solutions - NavSystems OÜ https://www.navsystems.ee/en/product-category/autopilot-autopilots/ Raymarine chartplotter, autopilot, tiller pilot, wheel pilot, radar, AIS, VHF, Smart Wind Thu, 15 Oct 2026 13:23:36 +0000 en-GB per hour 1 https://wordpress.org/?v=7.1.3 https://www.navsystems.ee/wp-content/uploads/2026/08/cropped-NavSystems-web-icon-0003969-32x32.png Autopilots - We offer the best autopilot solutions - NavSystems OÜ https://www.navsystems.ee/en/product-category/autopilot-autopilots/ 32 32 238308716 ST4000 MK2 Motor Socket and Seal Kit A18092 https://www.navsystems.ee/en/product/st4000-mk2-motor-socket-and-seal-kit-a18092/ Sun, 05 Jul 2026 06:41:25 +0000 https://raymarine.ee/?post_type=product&p=13448 The Raymarine ST4000 MK2 Wheel Drive motor cable connector and seal kit A18092 is a necessary spare part if the old one has become faulty. If the connector is externally intact and the contacts are not broken or oxidised, then before purchasing, be sure to check if there is voltage present in the power cable.

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]]> The Raymarine ST4000 MK2 Wheel Drive motor cable connector and seal kit A18092 is a necessary spare part if the old one has become faulty. If the connector is externally intact and the contacts are not broken or oxidised, then before purchasing, be sure to check if there is voltage present in the power cable.

Guides

Download ST4000 MKII Maintenance Manual

ST4000 MK II steering gear Installation guide

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]]> 13448 ST4000 MK2 power cable A18061 https://www.navsystems.ee/en/product/st4000-mk2-power-cable-a18061/ Tue, 30 Jun 2026 17:54:26 +0000 https://raymarine.ee/?post_type=product&p=13395 The Raymarine ST4000 MK2 Wheel Drive Power Cable - Toitekaabel (A18061) is a necessary spare part if the old one has been damaged. If there are no visible physical damages on the cable and the connector terminals are not oxidised, then check if voltage is coming out of the ACU at all.

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]]> The Raymarine ST4000 MK2 Wheel Drive Power Cable (A18061) is a necessary spare part if the old one is faulty. If the cable shows no signs of physical damage and the connector terminals are not oxidised, check if the ACU is actually outputting a voltage.

Guides

Download ST4000 MKII Maintenance Manual

ST4000 MK II steering gear Installation guide

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]]> 13395 ST4000 MK2 sealing ring A18076 https://www.navsystems.ee/en/product/st4000-mk2-gears-a18076/ Sat, 27 Jun 2026 07:44:17 +0000 https://raymarine.ee/?post_type=product&p=13382 The Raymarine 4000 Mk2 Wheel Drive pulley (A18076) is a necessary spare part if the old one is damaged.

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]]> Raymarine 4000 Mk2 Wheel Drive pulley A18076 is a necessary spare part if the old one is damaged.

Guides

Download ST4000 MKII Maintenance Manual

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]]> 13382 Pinniped drive Q047 https://www.navsystems.ee/en/product/pinniped-time/ Thu, 25 Jun 2026 14:12:46 +0000 https://raymarine.ee/?post_type=product&p=13370 EV-100 autopilot drive Q047 as spare part (max. boat weight. 6000 kg. Installation accessories are not included. There are only a limited number of spare parts available for the Q047 spindle actuator and these may not be sufficient to give your spindle actuator a new lease of life. In this case, there are two options. One is a fixed-price repair at the factory, and the second option is to buy a new actuator. A fixed-price repair for the Q047 spindle actuator costs approximately €450.00 plus €50 for UPS transport and VAT. Spare parts available for self-repair are the electric motor Q114, rear end cap. W014 and the hub's kingpin G004 and socket set M81181. All other accessories are external and also suitable for the ST1000+ and ST2000+ autopilot units. Tutvu kindlasti ka selle komplekti juhenditega ja küsimuste korral pea nõu meie spetsialistiga.

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]]>

EV-100 Autopilot Drive Q047 (Boat total weight max. 6000 kg) Installation accessories are not included. Only a limited number of spare parts are available for the Q047 spindle drive, and these may not be sufficient to give your spindle drive a new lease of life. In this case, there are two options. One is a fixed-price repair at the factory, and the other option is to buy a new drive.

A fixed-price repair for the Q047 pin drive costs approximately €450.00 plus €50 for UPS shipping and VAT. Spare parts available for self-repair include the electric motor Q114, rear end cap W014, and thrust rod end link G004, and the connector kit M81181. All other items are external accessories that also fit the ST1000+ and ST2000+ pin pilots.

The set includes:

  • Linear actuator Q047


Q047 technical specifications

Maximum boat weight 6000 kg
From dawn till dusk 4 seconds
Operating temperature 0 to +60 °C
Short 620 mm
Diameter 44 mm

Download the EV-100 Autopilot installation guide:

ST4000 hard drive Installation guide

Further information about autopilots can be found Raymarine from the website 

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]]> 13370 VERADO Hose Kit for Autopilot https://www.navsystems.ee/en/product/verado-hose-kit-for-autopilot/ Fri, 19 Jun 2026 06:53:12 +0000 https://raymarine.ee/?post_type=product&p=13251 The kit contains the necessary hoses for connecting the autopilot pump to the Mercury VERADO steering system. Always install the autopilot pump in a sheltered location. Always connect the hoses as straight as possible and with an upward run towards the bleed port. Be sure to read the instructions for this product, and if you have any questions, consult our specialist.

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]]> Verado autopilot hose kit. 

The kit includes the necessary hoses for connecting the autopilot pump to the Mercury VERADO steering system. Always install the autopilot pump in a location protected from the weather. Always connect the hoses as straight as possible and with an upward incline towards the vent port.

Guide

Download Verado Hose Kit Installation guide

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]]> 13251 ST4000 MK2 Bearing Kit A18085 https://www.navsystems.ee/en/product/st4000-mk2-bearing-kit-a18085/ Thu, 18 Jun 2026 04:14:17 +0000 https://raymarine.ee/?post_type=product&p=13141 The Raymarine 4000 Mk2 Wheel Drive Bearing Kit (A18085) is a necessary spare part if the existing bearings have been lost. The kit includes 21 bearings and a five-part separator.

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]]> The Raymarine 4000 Mk2 Wheel Drive Bearing Kit (A18085) is a necessary spare part if the existing bearings have been lost. The kit includes 21 bearings and a five-part separator.

Guides

Download ST4000 MKII Maintenance Manual

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]]> 13141 ST4000 MK2 rooliajam (Wheel Drive) https://www.navsystems.ee/en/product/spares-for-ev-100-st4000-mkii-drive-only/ Sat, 30 May 2026 06:58:26 +0000 https://raymarine.ee/?post_type=product&p=12034 The kit includes an ST4000 MK2 drive unit, mounting hardware and power cable. The ACU-100, EV1 and p70s are not included. The drive unit is fully sealed and suitable for most common steering wheels, including many folding wheels. A simple manual clutch mechanism allows quick disengagement and ensures smooth steering.

Technical data:

  • Maximum recommended boat weight: 7,500 kg
  • Revolutions per minute (rpm): 9
  • Torque: 30 Nm
  • The ACU-100 control unit is suitable for the drive.

 

Tutvu kindlasti ka selle toote juhenditega ja vajadusel pea nõu meie spetsialistiga.

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]]> Raymarine Wheel Drive – Autopilot drive unit for yachts up to 7500 kg.

ST4000 MK2 rudder system kit

The kit includes an ST4000 MK2 drive unit, mounting hardware and power cable. The ACU-100, EV1 and p70s are not included. The drive unit is fully sealed and suitable for most common steering wheels, including many folding wheels. A simple manual clutch mechanism allows quick disengagement and ensures smooth steering.

Technical data:

  • Maximum recommended boat weight: 7,500 kg
  • Revolutions per minute (rpm): 9
  • Torque: 30 Nm
  • The ACU-100 control unit is suitable for the drive.

 

The steering drive is designed for pleasure craft with a total weight when fully laden not exceeding 7,500 kg. It is recommended to allow for a reserve of at least 30%. If your existing steering drive has failed, it is worth considering a minor repair; most of the necessary spare parts are always in stock.

Download EV-100 Autopilot Installation Guides:

EV1 and ACU Installation guide

ST4000 MK II steering gear Installation guide

p70s and p70Rs Installation guide

Steering angle sensor Installation guide

Evolution p70 and p70Rs pilot user and operating manual

Added:

We recommend adding a steering angle sensor as well. M81105.

Further information about autopilots can be found Raymarine from the website

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]]> 12034 ST4000 MK2 veorihm A18083 https://www.navsystems.ee/en/product/st4000-mk2-timing-belt-a18083/ Fri, 01 May 2026 11:17:56 +0000 https://raymarine.ee/?post_type=product&p=10923 Raymarine ST4000 MK2 Wheel Drive hammasrihm (A18083), tuntud ka kui veorihm on vajalik varuosa kui plaanis on pikem puhkusereis. Tavaliselt vahetatakse rihma alles siis kui see läheb katki, aga see ei pruugi juhtuda seal kus kõik varuosad on kohe saadaval. Sellisel juhul on väga hea kui vajalik varuosa on endal olemas. Rihma vahetamiseks otseselt kindlat soovituslikku välpa ei ole, kõik sõltub kasutamise intensiivsusest. Üldise hoolduse käigus peaks veorihma seisundit ise hindama ja kulumise ilmingute või pragude korral tuleb see kindlasti välja vahetada. Rihma vahetamiseks tutvuge Raymarine ST4000 MK2 Wheel Drive juhendiga. Siduri reguleerimisest tuleb juttu allpool. Roolipiloodi igapäevase kasutamise juures on mõistlik jälgida järgmiseid väikseid detaile: Kas the layshaft always spins freely when the clutch is disengaged and With an engaged clutch, the drive belt does not slip.
NOTE! This belt is not suitable for the old ST4000 or Autohelm black drive unit!

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]]> Raymarine ST4000 MK2 Wheel Drive drive belt (A18083), also known as a transmission belt, is a necessary spare part if you are planning a longer holiday trip. Usually, the belt is only replaced when it breaks, but this may not happen where all spare parts are readily available. In such a case, it is very good to have the necessary spare part yourself. There is no specific recommended interval for changing the belt; it all depends on the intensity of use. During general maintenance, you should assess the condition of the drive belt yourself, and if there are signs of wear or cracks, it must be replaced. For daily use of the autopilot, it is advisable to monitor the following small details: Whether the layshaft always spins freely when the clutch is disengaged and When the clutch is not engaged, the drive belt will not slip. These small details give a pretty good overview of the actual condition of the belt. For belt replacement, be sure to consult the ST4000 MK2 service manual; clutch adjustment is discussed in more detail in the text below.

NOTE! This belt is not suitable for the old ST4000 or Autohelm black drive unit!

If you have changed the drive belt, then you need to adjust the clutch.

If the clutch is adjusted correctly, then:

The flywheel can rotate freely when the clutch is disengaged
• it slips when the clutch is engaged and the engine is running

To adjust the dosage:

Engage clutch.
Unscrew the clutch button screw about 2 turns counter-clockwise with a 3 mm Allen key.
3. Turn the clutch knob clockwise up to 4 turns to tighten the clutch or anticlockwise up to 4 turns to loosen the clutch.
4. Tighten the clutch button screw again with the Allen key.
5. Check that the drive wheel still moves freely when the clutch is disengaged.
Note. If the drive wheel does not move freely, reduce the clutch tension by turning the clutch knob two clicks counter-clockwise (the belt will loosen) and check again.
6. Check the overall drive operation during normal use with the clutch engaged.

The procedure described above is usually sufficient to adjust a slipping or loose drive belt. In some cases, you may need to repeat these steps to further adjust the clutch.

Guides

Download ST4000 MKII Maintenance Manual

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]]> 10923 ST4000 MK2 Gearbox Kit A18088 https://www.navsystems.ee/en/product/st4000-mk2-gearbox-kit-a18088/ Fri, 01 May 2026 11:14:27 +0000 https://raymarine.ee/?post_type=product&p=10922 The Raymarine 4000 Mk2 Wheel Drive motor (A18088) is an essential spare part if you are planning a longer holiday trip. The autopilot’s recommended total boat weight of 7,500 kg is based on a boat with its crew and all equipment on board. When selecting an autopilot, it is always sensible to allow for a margin of approximately 30%.

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]]> The Raymarine 4000 Mk2 Wheel Drive Gearbox Kit (A18088) is an essential spare part if you are planning a longer holiday trip. The autopilot’s recommended total boat weight of 7,500 kg is based on a fully loaded boat, including the crew and all equipment. When selecting an autopilot, it is always sensible to allow for a margin of approximately 30%.

Guides

Download ST4000 MKII Maintenance Manual

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]]> 10922 ST4000 MK2 Motor Assembly A18086 https://www.navsystems.ee/en/product/st4000-mk2-motor-assembly-a18086/ Fri, 01 May 2026 11:07:05 +0000 https://raymarine.ee/?post_type=product&p=10918 Raymarine 4000 Mk2 Wheel Drive mootor (A18086) on vajalik varuosa kui plaanis on pikem puhkusereis. Enne mootori tellimist veendu, et toitepinge üldse jõuab ajami pistikuni, kontrolli ühenduskaablit ja pistikuid. Kui mootor käib ringi, aga rihma veorull ei liigu, siis suure tõenäosusega on hoopis Gearbox katki. Kui rihma veorull liigub, aga ajam ei liigu, siis ilmselt vajad ainult uut hammasrihma. Tutvu kindlasti ka ST4000 MKII juhendiga ja vajadusel pea nõu meie spetsialistiga.

NB! This motor is not suitable for the old ST4000 or Autohelm black drive unit, the gear does not fit, other dimensions are quite similar.

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]]> The Raymarine 4000 MK2 Wheel Drive motor (A18086) is a necessary spare part if you are planning a longer holiday trip. Before ordering the motor, ensure that the voltage is actually reaching the drive's connector, and check the connection cable and plugs. If the motor spins but the belt pulley does not move, then the gearbox is most likely broken. If the belt pulley moves but the drive does not, then you probably only need a new drive belt. When replacing the motor, several components need to be removed from the drive; be careful not to lose anything and take pictures of the different stages before disassembling just in case. The old motor needs to be desoldered from the two cables coming from the socket, and these cables need to be soldered onto the new motor. On the new motor, one terminal is marked with a red dot; please solder the red wire coming from the socket to this terminal and the black wire to the unmarked terminal. The new motor already has pre-soldered bypass capacitors, and these must remain as they are.

NB! This motor is not suitable for the old ST4000 or Autohelm black drive unit, the gear diameter and number of teeth do not match, other dimensions are quite similar and the shaft diameter is 3.175 mm, (1/8″). 

Guides

Download ST4000 MKII Maintenance Manual

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]]> 10918