Low Water Pickup For Outboard

Use this Nose cone for low water pickup gear boxs from the v4/v6 E-Tec 2007 and on. The High Tech Connection. A smooth oval shape water inlet is the most efficient, allowing water to change direction, as opposed to a flush round inlet that forces the water to change direction. 2 custom engineered units to choose from.

Install Low Water Pickup Outboard Motor

Has anybody tried making their own LWP? If you are already installing an aftermarket kit, This should be a relatively simple fix, you can fill the prop side water inlet, round off your tip, and improve the dynamics of your gearcase. My 1984 Yami 90 hp w/ a Bob's Machine Shop nose cone sucked up sand and clogged the water jacket and motor overheated. In developing the new DF350A, Suzuki Engineers started with a clean sheet of paper and considered many factors for this design. The outboard motor manufacturers are now furnishing built in low water pick-up cones on all larger performance motors, and as a result the demand for after market low pick-up cones has fallen off dramatically. Then those 2 holes were connectedJohn E. 02-12-2006, 04:51 PM #8. Is there any guidelines for how much surface area to leave open? If you are using a smaller motor or the Mercury Inline gear case, please choose the 'inline' option, it is a shorter unit. What about a pickup off the transom? The goal is to reduce parasitic drag, which is a result of form drag and interference drag, directly related to the shape of an object. A ½ inch ball bearing size nose approximately.

What speeds are you getting? I left the screen in. Run for distant offshore fishing grounds, cruise to exotic ports or just share time on the water with family. Be sure and keep careful measurements of your gearcase height in order to get a baseline, and test from there. I have the same motor as you only '86 it has the small gear case. DaveBoats, The hole in the water that we love to throw money into. If the upper unit does not have a matching hole, then it will need to be plugged. The issue is that most center consoles do not use this "race" style lower units. This position, though efficient, allows air to be sucked in from the side during high speed runs. Shallow Water Access. Nose cone test by Bass & Walleye Magazine: Nose Cone Shootout. I turn the intake valve on, hit the switch and water gets pumped through the outboard. The set screw must be flush or slightly recessed in the hole. I have run one season so far and the water pressure was 25 PSI at WOT.

This lower unit features a different, more robust profile with 8 low water pickups on the sides and two smaller ones on the nose. Has anybody tried anything like this? The award winning DF300AP incorporates "Suzuki Selective Rotation" - the world's first outboard that combines standard and counter-rotation operation into the same lower unit. Now Available in Cool White*. Shallow as possible. The DF300AP also features "Suzuki Precision Control". It's easy - just click the "Register" link at the top. So potentially someone has been down this road I'm on and can spot some errors in my system. I'm spiffing my case up and I was told to fill the pickup holes in with marinetex and fill the cavity in with epoxy resin up to just below the fitting for the lwp. If you are smaller than 60hp, please call first, as the cone will require modification to work, and you might perfer to send in for factory installation. Last post by blacknsilvr.

Water In Lower Unit Outboard

For lower units such Mercury Racing/Mercury Marine Sportmaster, Torque Master, and other aftermarket "race" nose cones -- this is common practice. 77viper wrote:Ya Rick that's how I did mine, but I used polyester and microballoons to fill it up just under the fitting. Ok, to some of the old school members this will be a repost, but there are enough new members to warrant the effort. Put simply, the rounded nose cone breaks the water better. Message (required): Send Message Cancel. Then I hooked my "washdown" hose into the water inlet on the outboard that is normally used to flush the engine and walla, I dont need the LU in the water at all when the pump is running. It got me thinking maybe I should share my own take on this as my solution hasn't shown up yet. Thanks chinwlker, that gives me an idea of what to do. Mercury Marine's HD lower unit is used on the majority of Mercury Verado outboards and is one of the strongest/reliable lower units on the water. One element of running the gearcase in a surfacing situation is that there is a risk of blowing out the propeller, where the prop experiences a lack of water pressure on the blade surface, and slips, leading to a sudden loss in thrust. Nose Cones are recommended on boats running in the 80 MPH range to enhance propeller efficiency and eliminate blow out. Joined: Mar 25, 2009 7:31 pm.

Advanced features like Suzuki Selective Rotation, Suzuki Precision Control and Suzuki Lean Burn Control, plus big V6 power combine to provide boaters with outstanding performance and great convenience. Results 1 to 15 of 26. Have questions about setting up your boat? 1989 Canadian Edition Vista/135 Optimax. I'll buy one off ya. Been thanked: 78 times. Just wondering what you did. It is common to start with plugging the top 4 holes on both sides and testing to see if pressure/temperature issues returns. For good reason, the Mercury Racing Sport Master is ubiquitous, and has been a mainstay in the Mercury Racing lineup for a long time. This allows for clean water entry at high speed allowing engine to maintain sufficient water pressure and cooling for the engine. I know if the impeller gets damaged while I am out, this will get me home. Depending on your application and engine height, the plugging of lack of lower unit low water pick up holes on the side allows clean water to enter the lower pickup holes on the nose and bottom. On my skiff I have taken out all the live well plumbing.

So if you want to run with a proven winner, go four-stroke. The case in the picture has the top 3 holes plugged and a new hole was drilled where the small drain hole is. Yes I centered it and it seamed to work rmint1 wrote:Chet when you installed the Bobs LWP was the cone tip even with the center on the prop shaft. Has thanked: 337 times. Bravo castings are for 1990 and later. Low water pressure issues at wide open throttle? Nov 08, 2018 10:16 am. Gain top end performance with Teague Custom Marine add on drive lower nose cones, available in low water and mid water pickup configurations. Our Price: USD $235.

Low Water Pickup For Outboard Motors

Alike the Mercury Racing Sportmaster lower unit, the HD lower unit also performs it's best at the waters edge. But, for those running a lighter faster hull, looking to squeeze more speed out of any stock engine, a low water pickup is a must. Well he's dropped off the page and I've never heard of the idea moving forward so hopefully I'm not violating any promises. No need to be putting drill bits into my gears! Making more horsepower can be accomplished in many ways. I cant tell if that is the case. The hole hase to be perfect if it's too far back it will hit the wall for the exhaust cavity, too far forword it will hit the upper bearing for the driveshaft, and too high it will hit the water pump base plate. The pic that chinewalker has looks like only the equivalent of two holes is open.

Your message has been sent. 02-12-2006, 04:17 PM #5. took me a while to find thisJohn E. 02-12-2006, 04:36 PM #6. You'll be glad you did. Improved acceleration. One of the challenges with our Project 150 Mercury four stroke is the stock gearcase doesn't have a low water pickup.

02-12-2006, 02:40 PM #3. drill the drain hole right below the main pickups and then combine the new hole and the one above it. Think it would work? At this time I used polyester with some cabosil to fill the old pickups, I just taped them off and filled it from the top. Our forum needs members like you to contribute to the site in order to survive. NOSE CONES: HYDRO-CONE.

My initial thought was to use the intake for a wash down hose. Hydrostream know it all. Business Development General inquiry. Suzuki has embarked on a major engineering expedition to build the Ultimate 4-Stoke Outboard Motor.

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