Yamaha 150 outboard torque specs

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Powerful, light, nimble and compact, boaters know that its proven reliability is unmatched for everything from pontoons to flats boats to deep-V hulls. That record of performance spawned a remarkable family line that continues with the F and F Whether your rigging is digital or mechanical, the entire lineup is compatible with your control preference.

Now, the F, F and F are available with either digital or mechanical controls. It also streamlines design, giving the F class-leading power-to-weight and making the F nearly 30 pounds lighter than its closest 1.

Four valves per cylinder maximizes combustion efficiency in a way that no two stroke can, delivering the utmost in clean, quiet power and performance.

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A 10mm Offset Crankshaft allows for larger intake volume design. Four tuned intake tubes boost torque in low and mid-speed ranges for quick acceleration. The Composite Intake Manifold is a lightweight, compact design, making these engines very versatile. Long Tube Intake Tracks are tuned to increase airflow, boosting low-end and midrange torque. This means a more powerful hole shot and increased acceleration. Even with all this responsive power, an air silencer box and surge tank reduce air intake noise and air turbulence for smoother operation.

With up to amp alternators, our In-Line Fours provide plenty of power for a range of electronics, which comes handy, now that they're all compatible with digital controls.

Extended Trim Range delivers better acceleration-to-plane and top-end speed. A Freshwater Flush Device allows you to flush the engine without running it, for added convenience and extended engine life.

Yamaha's Shift Dampener System greatly reduces the noise commonly associated with shifting gears. Using a special design and components, much of the force of shifting is absorbed, resulting in far quieter and smoother operation. The lightest DOHC outboard in its class, this I-4 is the perfect, lightweight hp solution for small- to medium-size boats.

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The F is 30 pounds lighter than its closest 1. All Jet model weights include the jet pump assembly weight estimated. I-4 Four Strokes Digital: hp, hp, hp.

Owners Manuals. View the hp. Compatible controls for every platform Now, the F, F and F are available with either digital or mechanical controls. Impressive Power-to-Weight.

Optimum Power. Two-Stroke Performance from a Four Stroke. Two-Stroke Performance from a Four Stroke Four valves per cylinder maximizes combustion efficiency in a way that no two stroke can, delivering the utmost in clean, quiet power and performance.

yamaha 150 outboard torque specs

Quick Acceleration. Quick Acceleration A 10mm Offset Crankshaft allows for larger intake volume design. Powerful Hole Shot.Available in F, F, and F models, the in-line-four models are more than merely popular.

In fact, Yamaha says that the F is actually the most popular horse four-stroke outboard in the world, period. The most powerful engine in this model group, the F displaces 2. The compression ratio is The engine weighs in at pounds. The F is six pounds lighter than the F, and while the F requires 89 octane fuel, the F can run on 87 octane.

Like the F, the F can be mounted on inch centers.

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The uber-popular F was refreshed inand re-tagged the FB. Improvements included upgrading the six-tooth dog clutch to an eight-tooth version to smooth out shifting an upgrade applied to all of these models as well as upgrading the valve guides and seats. The motor is actually available in two flavors today, digital and mechanical. The digital version shares most of the base specifications with the F and F, but the mechanical version displaces 2.

It also has a slightly lower compression ratio at 9. All of these models share a number of commonalities. Perhaps the most reassuring is the fact that no matter the horsepower rating, all spin a wide-open throttle maximum rpm of to Some other outboards make more power by spinning faster and as a result, may have abbreviated lifespans.

Not so, in this case. Another thing all of these models excepting the mechanical version of the F enjoy: the choice between rigging with either Yamaha Command Link Plus digital controls, or mechanicals. That means all version of these outboards can serve equally well on new high-tech boats, and as re-powers for older vessels. Just how big a difference is there performance-wise, looking at the different Yamaha in-line-fours?

The F cruised this platform at The F on the same boat in similar conditions cruised at On this boat, the F attained a rpm cruise of All of these boats were tested with two people aboard in similar conditions reported at five to 10 mph windswith the And looking at all three side by side, the results are unsurprising.

With each incremental jump in horsepower you can expect a couple-few more mph at both cruise, and at wot. The F posted 3. The bottom line? Whichever of these sizes best matches you needs, running a Yamaha in-line-four is a winning proposition. Forums New posts Classifieds Gallery Search forums.

yamaha 150 outboard torque specs

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Log in.Page of Go. Page Page - Twin outboard motor application 6Y8 Mul Page Page - Twin outboard motor application convent Page - Troubleshooting the power unit trouble Page Page - Blowby hose and cooling water hose Page - Fuel line Page Page - Fuel filter Page - Removing the fuel filter assembly Page - Disassembling the fuel filter assembly Page - Installing the fuel filter assembly Page - Fuel pump Page Page - Removing the fuel pump assembly Page - Disassembling the fuel pump assembly Page - Installing the fuel pump assembly Page Page - Canister and vapor shut-off valve Page - Removing the canister Page - Checking the vapor shut-off valve Page Page - Intake silencer Page - Throttle link Page - Removing the throttle link Page Page - Throttle body Page - Removing the throttle body assembly Page - Throttle body and throttle link adjustme Page Page Page - Fuel injector Page - Removing the fuel injector Page - Checking the fuel rail and fuel injector Page - Installing the fuel injector Page - Intake manifold and vapor separator Page Page Page - Draining the fuel Page - Checking the fuel filter Page - Installing the vapor separator Page - Installing the intake manifold Page Page - Vapor separator and high-pressure fuel p Page - Installing the driven sprocket and camsh Page Page - Removing the water pump and shift rod Page - Assembling the water pump housing Page - Propeller shaft housing regular rotatio Page Page - Removing the propeller shaft housing ass Page - Disassembling the propeller shaft housin Page - Assembling the propeller shaft assembly Page Page - Drive shaft and lower case regular rota Page Page - Removing the drive shaft Page - Disassembling the lower case Page - Checking the lower case Page - Assembling the lower case Page - Installing the drive shaft Page - Installing the propeller shaft housing a Page - Installing the shift rod Page - Checking the lower unit for air leakage Page - Installing the lower unit L-transom mod Page - Installing the lower unit X-transom mod Page Page - Shimming regular rotation model Page - Shimming check sheet Page Page - Measuring the forward gear backlash and Page Page - Removing the water pump and shift rod Page - Propeller shaft housing counter rotatio Page - Checking the propeller shaft Page Page Page - Drive shaft and lower case counter rota Page Page - Removing the drive shaft Page - Checking the pinion Page - Assembling the drive shaft housing Page - Installing the lower unit X-transom mod Page - Shimming counter rotation model Page Page Page - Measuring the forward gear backlash and Table of Contents.

Troubleshooting Troubleshooting Outboard motor troubleshooting Troubleshooting the power unit using the diagnostic flash indicator Troubleshooting the power unit trouble code not detected Troubleshooting the PTT unit Troubleshooting the lower unit Yamaha FA Service Manual pages.

Yamaha FA Owner's Manual 90 pages.This outboard engine weighs approximately pounds. It has 6 cylinders. The pistons have a The bore width is 3. This model has a electric starter and power steering.

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For example, if you look at your tachometer at top speed and it is not within the engine's RPM range then that is generally not good.

Be sure to do your testing under your normal boating conditions and with a good propeller not bent, cracked, or excessively chipped. Information on this page is provided to you as a free service of iboats. Because this information has come from many sources we can not guarantee its accuracy. Even if this information is the same as the original factory specs, boats are sometimes modified.

Thus, for safety and other reasons, it is a good idea to verify information here to make sure it matches up with your boat. The iboats Outboard Motor Forums are another excellent source of information.

The iboats Forum Directory can likely help you find a lot of outboard information as it is arranged by subject. Engine Manual: Yamaha Outboard Manual Information on this page has come from multiple third parties and can not be guaranteed to be accurate.

All rights reserved. Thishp Yamaha is made for saltwater. Yamaha Outboard Manual. Information on this page has come from multiple third parties and can not be guaranteed to be accurate.Login or Sign Up. Posts Latest Activity. Page of 1. Filtered by:. Previous template Next. I have a Tidewater lxf. I recently added a power pole braced bracket between the motor and transom. I have everything snugged back up but I can't find the torque specs for the upper and lower mounting bolts that attach the motor to transom.

My dealer says the service manual says firmly tighten but I don't like that. There has to be a spec to go by. Any info would be appreciated. Tags: None. Comment Post Cancel. Probably darn near impossible to get a torque value going into a flexible surface like a transom. Sometimes Yamaha knows more than you. Heck, and if makes you sleep better, put some Loctite on the locknuts Suzuki, however, believes in a torque spec, this is for the DF - DF I can't find anything in Mercury service manuals either about a specific torque value.

I would guess there are too many transom stiffness variances to try and guess at a torque value. Although Suzuki does.

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Evinrude says torque to 40 pound feet. Wondering outloud here And the "tightness" of the engine bracket to transom only needs to be tight enough to keep it from sliding around, right? And that is easily figured out by anyone with basic experience in turning a wrench. And, further, it's less about keeping things tight together and more about tightening something equally, such as an engine head or even a car wheel.

And that issue equal tightening is really a non-issue in the case of an engine bracket. Am I off base on this line of thinking? Thank you all for the info. The reason I asked this here is because my dealer told me 80lbs and I thought that was crazy. I started low and when I got to about 50lbs the bolt and washer on the lower two inside started to sink into the transom.The all-new four-stroke, 5. Introducing the Yamaha Power Pay Program Purchase a Yamaha Outboard from a Yamaha dealer, register for Power Pay, participate in a Yamaha sanctioned tournament and profit from being the highest-place finisher.

yamaha 150 outboard torque specs

Power and reliability have their perks. For more than 30 years, Yamaha Outboards have delivered far more than superior power, performance and efficiency. Purpose-built from the ground up to withstand the rigors of offshore boating, the XTO introduces a new class of extreme offshore power and reliability. Our integrated digital boat control system now features SetPoint.

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This suite of satellite-guided boat control functions automatically maintains your position, heading or both. Suddenly fishing beneath the boat, controlled drifting and waiting in place are a snap for captains of any skill level.

It joins the other members of the V MAX SHO family in expanding from a bass boat solution to multi-species, pontoon, and other applications.

yamaha 150 outboard torque specs

It's exciting news for all sorts of anglers and boaters. See Offer Details. Explore XTO Offshore. Power up your winnings Introducing the Yamaha Power Pay Program Purchase a Yamaha Outboard from a Yamaha dealer, register for Power Pay, participate in a Yamaha sanctioned tournament and profit from being the highest-place finisher.

Learn More and Register. It's Still All About Reliability. Legendary Yamaha Reliability. More functionality. More control. More convenience. Click for the 7-Day Forecast See when the fish are biting! Our patented Shift Dampener System Redesigned and added to more props.

Find the right components for your rig Explore rigging options. Find Your Nearest Dealer.Overall, this series of 1. With the option of a inch shaft for all of our I-4 V MAX SHO outboards, anglers prowling big waters on multi-species, bay and flats boats have a competitive edge that runs deeper than ever.

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Find a Demo Tour. An array of advanced sensors constantly provide vital atmospheric and engine conditions to the Engine Control Module ECMwhich instantly makes the precise adjustments for optimum performance.

It clocked in at 62 mph with a tournament load—five mph faster than its VF sibling. With exhilarating top speed and a 7. A single-overhead-camshaft design with four valves per cylinder and 1. Available for mechanical remote or tiller control. All Jet model weights include the jet pump assembly weight estimated. Discover a new species of predator. Find a Demo Tour Owners Manuals. View the hp. Quiet Power and Performance.

Midrange Power and Response. Fuel Efficient. Optimum Power.

I-4 V MAX SHO® Series

Power Management. Power Management An array of advanced sensors constantly provide vital atmospheric and engine conditions to the Engine Control Module ECMwhich instantly makes the precise adjustments for optimum performance. Product Videos:.

Expand Gallery. Meet the Line-Up. Switch Panels. Prop Selector. Show More. View Bulletins for all Models.


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