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If you bought the impeller repair kit replace the O-rings within the tube that connects the water pump housing and the mid-section of the outboard. If you want to use this water pickup for the speedometer connect the water tubing as shown.
Water Pressure Tubing Connection Models without SmartCraft Gauges If the boat is equipped with a water pressure gauge make the water connection to this tubing as shown.
Mercury outboard water tube replacement. Water Tube replacement As Jerry mentioned if you take note of the mounting bracket that holds the tube it screws from the top hence requires head removal. I guess a proper size hose silicone instead of plastic material will be an easier fix. This tube doesnt get hot since it transport cooling water rather than hot water.
The end of the water tube where it goes up is flared. And to remove the the powerhead would come off first and the tube pushes up and out from the bottom up. I think that should do it.
But I work for tips so I do want to make sure you are happy with my service before you go. If you had a further question on the issue by all means feel free to ask. Mercury Outboard Water PumpImpeller Replacement Inlines - YouTube.
Leal Anderson Leaders Trailer Hudl. If playback doesnt. Allways spin the driveshaft clockwise and just submerge the drive in a barrel of water past the top of the pump and spin the shaft with the drill.
Water should gush out with plenty of pressure. Next remove the thermostat and adapt the hose to the water tube and see if water flows free out the thermostat. Trying to remove the copper water tube from 1999 200 hp Mercury have lower unit off and was told to use a pair of needle nose pliers and just pull on the copper pipe and it will drop from the rubber grommet at top.
Need to know if this is true or if there are bolts to be removed at the top ie. Remove powerhead in order to get the copper water tube out. You found the right place Buy a shop manual for that model In the meantime drop lu and install a garden hose to water tube and inspect upper seal for damage possibly powerhead needs to be removed not an expert on those models Wait for other replies.
09-15-2016 0957 AM 3. Make sure the key is in place on the shaft to lock the impeller in position. Also make sure the impeller is inserted with the blades curved in the correct direction.
Make sure the white plastic connecting tube is seating onto the copper tube correctly and that the passage is clear. Our Mercury Marine Parts technical expertise also allows PPT to provide our boating customers with direction regarding Direct Replacement Mercury Outboard Parts options. In certain cases OEM Mercury Marine Parts are the better option but in many cases there are good economical alternative part options such as with Sierra Marine Parts.
This outboard has a speedometer water pick-up located in the leading edge of the gear case. If you want to use this water pickup for the speedometer connect the water tubing as shown. Water Pressure Tubing Connection Models without SmartCraft Gauges If the boat is equipped with a water pressure gauge make the water connection to this tubing as shown.
It should go easy like Dave said. If not there is a plastic grommet the tube fits into on the bottom of the power head. If your motor overheated this grommet could have melted.
I pulled the power head replaced the grommet and installed the tube with the lower unit. Just relaying some info I read here. Mercury 40HP Outboard Water Pump Replacement Replacing just the water pump impeller or the entire water pump itself on a Mercury outboard is essentially the same process.
Watch the video above and follow the steps below to replace the water pump on a Mercury 40 outboard engine. Slide the lower unit straight away from the outboard. The water tube which moves water from the water pump to the rest of the motor will pull loose from the top of the pump housing on the top of the lower unit.
Move the lower unit to the workbench. Place the unit into the vice so the drive shaft and shift rod point straight up. If you bought the impeller repair kit replace the O-rings within the tube that connects the water pump housing and the mid-section of the outboard.
The tube has an arrow denoting which way to install it. The orange O-ring should be installed in the lower end of the tube and. Mercury Outboard Motor Covers.
OMC Outboard Motor Cover. Suzuki Outboard Motor Cover. Sierra 56973P Speedometer Pick Up Sierra Speedometer Pick up for up to 80 mph.
Sender Code G Universal replacement for most popular brands. Fits existing mounting holes. Add to Cart.
Sea Dog Stainless Steel Pitot Tube Shield When vertically mounted. Most difficulty is in re-assembly. There is a white tube that helps guide the copper pipe that extends down from the power head in to the pump body.
My advise is to use a floor jack and slowly raise the lower unit until you can slip the white tube up on to the copper pipe and then down into the pump body. Buy Sierra International 18-0521 Marine Water Tube Rubber Seal Gasket for MercuryMariner Outboard Motor. 115 HP 4 stroke water pump issue.
I have replaced the water pump impeller on a 2007 115HP 4 stroke Mercury outboard. When the motor runs it does not seem to pump water. I have taken it apart a few times but see no problem.
I have followed the shop manual and replaced the impeller and gaskets. 90-10216040 JANUARY 2003 Printed in USA. - 2003 Mercury Marine Page 1 of 18 INSTALLATION MANUAL 75 90 AND 115 HP 4-Stroke NOTICE TO INSTALLER.
After completing assembly these instructions should be. List Price 9499 18-48317. Water Pump Kit Mer46-803750A03.
Water Pump Kit for Mercury V6 Outboards 150 175 200 225 HP 48-78400A 2 Water Pump Kit Complete Fits Mercury V6 150 175 200 225 HP Outboards. Includes top and bottom housings. Bottom housing has a diameter of 2285 inches.
This is the part that goes into the lower unit housing. Mercury Quicksilver 48-78400A2 BPI12180. Water pump replacement in combination with an engine oil change.
Replace the water pump impeller. Replace the impeller more often if overheating occurs or if reduced water pressure is noted1. Check the power trim fluid.
Refer to Checking Power Trim Fluid in the Owners Manual. Replace the highpressure inline fuel filter1. Laings Outboards sells many parts for outboard motors.
We carry obsolete and hard to find parts for Johnson Evinrude Mercury Force and others.