Mercury Pro Xs Compression Test

September 17, 2021 Posting Komentar

The Optimax Air Compressor is the secret to the Optimaxs excellent performance. Breathtaking hole-shots to eye-watering wide-open throttle.

How To Compression Test An Outboard Motor Boatus Youtube

I am looking at a boat with a 2007 Mercury Pro XS 250 on it.

Mercury pro xs compression test. Any suggestions on what will be causing it. The Air Compressor builds about 80 PSI of air pressure in the fuel rails. September 9 2020 at 829 pm 1971464.

The crankcase must be completely sealed against pressure created upon the down stroke of the piston and the vacuum thats created when the cylinders piston moves upward back to TDC top dead center. It was checked within standard on the maintenance check list. The Mercury can rev 200 more RPM but you can see from the test the Yamaha can rev over the recommended they all can and in a four stroke revving right up to the RPM range is idea.

The Air Compressor is belt driven. How to do them and what the results mean for you. Lets look at the Yamaha 150 VMAX SHO Evinrude G2 150 HO and Mercury 150 Pro XS.

September 15 2020 at 1202 pm 1972462. Four strokecycle engines produce much higher compression. The main thing to check is the difference between cylinder compression.

I have a 2004 mercury optimax 250 pro xs i was on the lake recently i had the boat on plane when suddenly the motor shut downthe alarm was going offi turn the motor offi was puzzledi waited for a. Possesses all necessary service tools test equipment manuals and parts books. Post your results here.

But when I get it back to house and getting motor flushed out it cranks right up. Go to the Engine FAQs forum and do the compression test by the instructions there. What to look out for is one or.

If compression is better Id look at having the injectors cleaned. This allows you better top end and holeshot more prop options and way cool engine decals. Highest displacement in its class.

2011 Mercury optimax pro xs with failing air compressor - YouTube. This seems considerably low to me. Considering purchasing the new Ranger 621fs Pro.

Find a new mechanic. It has been specially designed for the demands of bass boat multi-specie and saltwater inshore anglers. And in side-by-side tests up.

I have a mercury 115xs 2020 and having problems with it cracking on water all I get is a clicking sound. Like the OptiMax the Pro XS specializes in having high low-end torque and lightweight. Big no brainer if.

Naturally all the boats are bass boats the closest thing to performance boats in the mainstream world. Results vary depending on whether the outboard is a Four-Stroke or a Two-Stroke. It achieves a higher rpm than the base 4 stroke.

This engine has 127 hours on it according to the computer. Given that I link a 99 mercury kicker to the main motor and want to avoid any battery issues I am leaning towards the 300 Pro XS with the hydraulic steering. With remarkable acceleration and awesome performance the Optimax Pro XS lineup has created a class of its own.

Bearing in mind there are a lot of things that can affect compression testing not the least of which is highly inaccurate pressure gauges test being run without the throttle open dry cyl carbon build upthose numbers look low. This is balanced by an air pressure regulator to be 10 PSI less than the fuel pressure. The owner states that it runs excellent and is a very strong engine.

In 2013 the compression read 130-134 on all cylinders then 2014 90-95. When i bought my lund in 2018 the cost difference in the invoice for the pro xs model was 300. 2002 Mercury 150Hp xr6 Compression and overall reliability of outboard Hey Jim.

That leads me to believe it wasnt properly warmed up but I dont have anything to worry about because each cylinder had similar readings. Any drop in air pressure will dramatically reduce engine performance. Torture-tested systems and components.

In the mean time soak each cylinder top with some power tune then run a can or two through it. Here is everything that you need to know about outboard compression tests. The new 4-stroke Mercury Pro XS replaces the 2-stroke OptiMax series of engines which have been discontinued.

Primary Compression Test Your 2-stroke outboard powerhead is an efficient pump. The 150 Pro XS is a perfect fit for those anglers looking to increase the performance of their 18-foot fishing boats. Given that I am not looking for the fastest rig I am looking to power it with the Mercury 300 Pro XS or the Mercury 300 Verado.

The Pro XS line of outboards has what serious fishermen demand. Everybody hears about performing an outboard motor compression test and everyone knows that when you buy a used boat you should compression test the outboa. If you have any boat and the new V8 Verado 300 or Pro XS 300 I would still be interested although realize the that setup on a different boat could be quite different than on a 620 Thanks for any feedback anyone may be able to give.

Good results for Four-Strokes should be 180-210 PSI and Two-Strokes should be around 110-130 PSI. I could feel the lift effect of the Command Thrust case and Enertia prop on our Ranger VS 1780 test boat. Older two cycle outboards especially low horsepower can run fine around 60 psi however above 90 psi is optimal.

In head-to-head tests the 150 Pro XS outran the competition by almost 5 MPH while delivering 15 better fuel economy. Cylinder-to-cylinder compression readings that differ more than 10 reveal trouble. Assigns its highest rating of Mercury Premier to those demonstrating an exceptional commitment to service.

Since we cant test ourselves it will be interesting to see the different setups different props and how fast some of these boats are going. But then he list the compression as 118 to 120 on all cylinders. Achieves a high 12 month service CSI Customer Satisfaction Index score for warranty service.

This boat was also equipped with the new Mercury Active Trim system and it worked flawlessly. The do a new compression test with the engine warm and the throttle fully open. I would expect a 3 litre.

Earning a Mercury Premier Service rating means a dealer. If you have a 620 AND the new V8 Verado 300 or Pro XS 300 I would be very interested in your feedback. Mercury 250 pro xs i have a 2004 mercury optimax 250 pro xs.

The Yamaha 42 200 SHO and Mercury Pro XS have the most displacement torque and the tallest gears 175 so it just comes down to setup to see which one would outperform the other. Mercury 115 Pro XS Mercury Marine. Dialed-up speed and screaming acceleration.

Compression Test On Mercury Outboard 150 Hp By Farhad Fkcamera Youtube