Insert bolts, washers and Nyloc nuts asĥ. Drill 2, 3 or 4 holes (see chart above) through the cavitation plateĪnd guard on each side. Dont be in a hurry Tools needed: Drill, 5/16 bit, 1/2 box end or socket wrench. MAY NEED TO SLIDE PROP GUARD FORWARD (PG) FORWARD OR AFT FOR PROPER PROP CLEARANCE.Ĥ. Prop Guard Installation Instructions Time required: About 25-30 minutes. The cavitation plate, propeller and lower skeg. Make certain that the guard is square with Insert bolts, washers and Nyloc nuts through bottom of pre-drilled holes at bottom of rings and loosely tighten.ģ. Clamp the guard to the cavitation plate using C-clamps or Grip clamps. REMOVE TRIM TAB UNDER CAVITATION BEFORE INSTALLATION OF PROP GUARD FOR 9", 11", 13" & 14" PROP GUARDS. May be needed to remove any imperfections in the lower surface of Remain flat against the cavitation plate. Note: The mounting surface of the guard should Guard® should be positioned as far forward on the cavitation Guard and the prop when the propeller revolves inside the guard. Align the guard so that equal distance exists between the Place the Prop Guard® on the underside of the cavitation As far as I am concerned the Hydro-shield is a game changer for my boat.1. The turning radius was smaller and sharper with less prop ventilation and tail slide usually experienced during a hard turn. Another nice surprise was the effect on turning. I found the tabs had little effect fore and aft with the Hydro-shield already doing the job but the power trim and tilt did, the tabs still functioned for athwartships leveling. The hole shot was equivalent to putting the tabs down in normal use and came up and on plane quickly. These guards serve both aesthetic and protection functions simultaneously. The aluminum construction will resist corrosion in those areas where salt is used during the winter time. I was also able to stay on plane at a lower rpm than with trim tabs, and it stayed on plane better in rough conditions. The 2015+ Subaru WRX PERRIN Cam Solenoid Guards are constructed of CNC 6061-T6 aluminum with precision mounting holes to fit perfectly over your cam solenoids. I could noticeably feel the lift, and the best description I can offer is it feels like a shock absorber on the transom. Conditions I would normally have to throttle back for I could easily power through without slamming. Sea trial revealed a very impressive improvement in ride in seas. Installation was very easy and instructions well written. The quality of materials in the product is very good. My initial interest when I first saw the Hydro-shield was for the prop protection feature, but was also curious what it would do for overall performance. The boat is equipped with trim tabs and jack plate. I have a 2018 Sea Pro 248 bay boat with a 300 Mercury Verado for power. I also like the fact that there is nothing mechanical that can cause issues with the Hydro-Shields." With the Hydro-Shields at 3200 RPM I am running 14.75 gallons per hour and have gained about 1 mile per hour. Without the Hydro-Shields I was running 16 gallons per hour. The boat is performing better than when the trim tabs were actually working. The boat plains immediately and with a few minutes of adjusting the trim on the motors I was able to make the boat perform better than it ever has. The difference has been amazing well above what I was anticipating. You assured me that the Hydro-Shields would dramatically enhance the performance of my boat and also help with fuel usage. A few months ago you recommended that I install Hydro-Shields to both outboards. Constant maintenance and constant cost and they rarely worked properly if at all. I had many issues with the hydraulic trim tabs from the beginning. "I purchased a used 24’ center console boat bracketed to 27’ with twin 200 Yamaha outboard engines.
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