For cleaner performance, maximum gas effectivity and easy beginning, the powerful 16-valve SOHC engine options EFI and Yamaha’s unique PrimeStart™ system. With Yamaha’s Digital Network compatibility, the meeting of the indicators allows you to management your motor with unmatched precision. PRECISE THROTTLE CONTROLAll air entering the engine block is routed by way of a single throttle valve, to ensure the precise amount of air needed for optimum energy and fuel effectivity. Compatibility with Yamaha’s Digital Network Gauges delivers precise control too. The 70hp’s superior, lightweight powerhead design features a single overhead camshaft with four valves per cylinder, for maximum energy and effectivity. A massive consumption valve area with lightweight pistons and valves give class-main horsepower-per-litre.

But as a result of maximum torque seems to be developed around 4500rpm the F70A outboard motor wants cautious propping to ship its full potential. Our 1-liter 70-hp midrange includes a two-piece higher case and 10 p.c lighter pistons. It’s up to 80 pounds lighter than other 4-stroke competitors and the class-leader in power-to-weight. Combined with its sixteen-valve SOHC design and 17 p.c bigger intakes, and it’s one of the responsive outboards on the water.

yamaha 70 hp outboard

Always put on the really helpful private floatation device and safety equipment when boating. Take a take a look at all we have to supply from skis and wakeboards to trampolines and tubes. Mounted on a relatively gentle aluminium aspect console the first engine I examined had pretty good holeshot, though on a fibreglass cuddy cabin the second engine was a bit sluggish out of the outlet. But it was pushing a complete of 1100kg, a fair load for any 70, so this was to be expected. They don’t embody any valves – this can make repairs extra easy. These Yamaha fashions require a combination of oil and gas for proper lubrication.


Yamaha’s Customer Outboard Protection (Y-COP) engine immobiliser system is straightforward to make use of and highly efficient in stopping unauthorised begin-ups when your boat is unattended. Many of Yamaha’s mid-range and excessive horsepower props come with Yamaha’s unique Shift Dampener System . This system absorbs forces created when an engine shifts out and in of gear, resulting in a quieter, smoother and ‘clunk free’ shifting. These specialised stainless steel props can improve boat performance and enhance how they handle particular situations.

This highly-polished, trendy trying, top mounted management permits for easy one-handed management. The ergonomic design features a thumb operated trim and tilt change built into the deal with, as well as shift and throttle control functions, for handy and cozy operation. With its fashionable chrome finish and ergonomic design, this mechanical control not only looks good, but provides easy one-hand operation. The trim and tilt switch is comfortably located on the handle and features simply accessible neutral warm-up controls and externally adjustable throttle friction.

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The four-blade prop is right for rougher situations and when greater acceleration is required, such as towing. These high-high quality aluminium props are ideal for heavier hulled boats similar to fiberglass and plate aluminium, as well as modified V-kind hulls, catamarans, pontoon and business work launches. Incorporating Yamaha’s Shift Dampener System , these props ship quiet and smooth shifting.

They have varying options, so you’ll be able to determine which Yamaha mannequin is appropriate for you depending on whether you want one thing marine or for lakes. This highly-polished, stylish trying, prime mounted management permits for easy operation of dual mounted outboards. The ergonomic design includes a thumb operated trim and tilt switches constructed into the handles, in addition to shift and throttle management functions, for handy and comfortable operation.

LIGHTEST WEIGHT IN CLASSFrom the specially designed engine block to the two-piece upper case, each ounce of weight savings has been realized for maximum efficiency with out sacrificing durability. Yamaha’s new F70 just isn’t solely the lightest 4 stroke 70 horsepower outboard, it is even lighter than aggressive two stroke direct-injected outboards. As air enters the F70, it’s routed through a single throttle valve, to make sure the exact quantity of air necessary for optimum energy and fuel efficiency. It then enters each cylinder by way of particular person lengthy intake tracks, which are ‘pulse tuned’ to supply air on the precise volume and timing for maximum density and energy.

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