Why won’t my boat motor trim down?

Asked by: Barry Jaya

If the tilt and trim motor works fine but the engine won’t raise or lower, slips down when in the raised position or won’t stay trimmed, chances are that the problem is with the hydraulic pump or valve body assembly. Start by checking the hydraulic fluid reservoir level.

How do I manually lower my boat trim?

And I'll loosen it get a nice sized screwdriver. So it doesn't strip the screw because that would not be good to strip that. And if you can just see right in here there's a screw. So I found my screw.

How do I lower my outboard motor?

And then press in real hard. And turn it clockwise. Just a turn or two to the left and you'll see your motor start to slowly.

What controls the trim on a boat?

Trim is controlled with a toggle button on the control lever or on the dash. The trim system uses hydraulic rams to change the angle of the outboard motor or sterndrive gearcase—and with it the angle of the propeller shaft—relative to the boat transom, through a range of about 20 degrees.

How do I manually adjust my outboard motor trim?

You press the spring from the other. Side like that now you flatten the clip and it'll lock in place. Now to lower the motor. So it's contact with the thrust rod and trim position.

How do I adjust the trim on my inboard motor?

You get the boat up on plane the general rule of thumb is you hold your trim. Button in the up position for a count of 1,001 1,002 1,003 as you can see puts us about 1/4 up on the gauge.

What causes a boat not to plane?

The most common are overloading and failure to distribute weight properly. Another major cause is incorrect tilt of the outboard motor, which changes the angle of the hull relative to the water surface. If the motor is tilted too far aft, the propeller will dig into the water and force the bow up.

How do you lower the engine on a transom?

RE: Lowering Engine on Transom



First put the jack under the skeg and apply some pressure, then unbolt the TOP nuts and back the bolts out till they clear the motor mount holes. Now loosen the lower bolts, SLOWLY. Once they are a little lose, try to lower the jack. This takes a little patience but it will work.

How do you know if your outboard is too high?

If it’s too high, the propeller tends to ventilate, losing its bite on the water and blowing out while turning and in steep seas. “If the prop consistently ventilates when heading down a steep wave, the outboard is probably set too high,” says Dean Corbisier, advertising and public relations manager for Suzuki Marine.

How do I test my boat trim motor?

To test the motor itself, bypassing the relays and relay wiring, find the two heavy gauge wires that lead to the trim/tilt pump motor. One should be green and the other blue. You will probably be able to find a quick disconnect plug near where the wires exit the outboard engine cover that you can disconnect.

How do you adjust trim and tilt?

View or in this case smart craft to a five setting. We can go ahead and trim the motor. Now. That's the number five on the smartcraft gauge and you'll see how the angle.

What is porpoising in a boat?

Porpoising is a sustained, repetitive motion that causes a boat’s bow to bounce up and down out of the water, even in calm waters. While porpoising can be merely uncomfortable for passengers, it can also cause loss of control, which may result in injury or damage to the structure of the boat.

Which way do I adjust my trim tab?

If the port bow is high, push the port side “Bow Down” direction (this lowers the trim tab on starboard side). If the starboard bow is high, push the starboard side “Bow Down” direction until the boat is level (this lowers the trim tab on the port side).

Should trim tabs be up or down?

When running into the waves you’ll want to trim the bow down so the sharp point of the bow can cleave the waves. This provides the most comfortable ride and minimizes stress on the boat (and passengers). In a following sea the tabs should be fully retracted for maximum steering response.

How do you trim an inboard boat?

The trim range is typically used while operating your boat on claim. The tilts range is typically used when the engine is not running. If I trim in or down. And hit the throttle.