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DF150 175 PRODUCT INFORMATION,Fresh Ideas Advanced. Technology and,Innovative Design Keep,Suzuki Ahead of the. Competition, Unrivaled expertise world class technology innovative. ideas and design That s an excellent summary of what. you can find in Suzuki s line of four stroke outboards At. Suzuki our goal has always been to provide boaters with. the power to get the most enjoyment from their boating. experience To that end we have employed outside the box. thinking cutting edge technology and refined designs to. develop a line of four stroke outboard motors unmatched by. the competition In so doing Suzuki built the first four stroke. outboard with digital electronic fuel injection created the first. four stroke outboard with a self adjusting and maintenance free. timing chain developed the first use of an offset drive shaft with. two stage mixed cam drive and designed and built the world s. first 300 horsepower V6 four stroke outboards, Our commitment to new and better ideas has earned us the. respect of the industry and acclaim from satisfied customers. As proof Suzuki has been awarded four NMMA awards for outboard. innovation not to mention the three Editors Choice awards from. Motorboating Magazine, Now we are building on this heritage Our DF150 and DF175 four.
stroke outboards are compact lightweight and provide the benefits of. fuel efficiency and low emissions More importantly they expand on the. potential of four stroke power for marine applications by delivering powerful. acceleration quick throttle response and exhilarating top end speed. Big Block High,Performance Engine,Suzuki s DF150 and DF175 are based on an inline. four cylinder DOHC powerhead with a 174 9 cu in,2 867cm3 displacement one of the largest in the. four stroke four cylinder category While the added. displacement contributes greatly to exceptional acceleration. and velocity it doesn t mean that these engines are. comparatively larger or heavier in size To the contrary. Suzuki s engineers have targeted these big block motors to be. one of the lightest four strokes in their class, Taking advantage of the advances Suzuki engineers have. made in four stroke engine performance the DF175 utilizes. a continuously variable valve timing system much like. that found in our DF200A DF250 DF250SS and the flagship. DF250AP DF300AP Both the DF150 and DF175 share other advanced. features including multi stage induction and a 32 bit onboard. computer that monitors and controls engine functions. These motors not only meet the 2010 EPA exhaust emission. standards their clean efficient operation has allowed them to comply. with CARB 3 Star Ultra Low Emission Standards, Exhaust emission standards set by the U S Environmental Protection Agency. Exhaust emission standards set by the California Air Resources Board. DF150 175 PRODUCT INFORMATION,Advanced Technology for the Performance.
Large Displacement Torque, The DF150 and DF175 utilize an in line four cylinder four stroke engine with a DOHC four. valve powerhead that produces 150hp and 175hp respectively At 174 9 cu in 2 867cm3 these. two outboards offer one of the largest displacement in the four stroke four cylinder category. And thanks to Suzuki s innovative engineering they are also very light weighing in at 474 lbs. 20 Transom height 485 lbs 25 Transom height,VVT Variable Valve Timing DF175. In designing the DF175 our goal was to expand the potential of the four stroke engine. and create an outboard that delivers high performance along with the benefits of four stroke. technology,At the comparison test Multi Stage Induction. System of the motor was operated, Like the DF200A DF250 DF250SS and the flagship DF250AP DF300AP the DF175 is. designed with an aggressive cam profile and paired with Suzuki s advanced Variable Valve. Air Flow in Multi Stage, Timing VVT to increase the low to mid range torque outboards need when accelerating The.
Induction Module, intake valve actually starts to open before the exhaust valve fully closes creating a momentary. Lower RPM High rpm, overlap in the timing where both valves are open Using Variable Valve Timing this overlap. can be increased or decreased by altering intake timing with the camshaft thereby optimizing. camshaft timing for low and mid range operation,Multi Stage Induction MSI. The DF150 and DF175 incorporate a multi stage induction system to enhance engine. performance by changing the length of intake manifold pipes according to engine speed The. system utilizes two intake manifold pipes per cylinder one for operating at low engine speed. and another for operating at high At lower rpm air enters the combustion chamber through. the longer manifold pipe which is designed to deliver an optimum volume of fresh air into the. chamber to improve combustion and boost low end torque. As the engine speed surpasses a preset threshold the valve on the direct intake pipe opens. up letting air enter instantly into the combustion chamber Shorter and lacking resistance this. pipe gets a greater volume of air into the chamber increasing the engine s ability to breathe at. high rpm thus improving high speed power output, Suzuki engineers have equipped these outboards with many other advanced features that. contribute to engine performance, A spherical bore throttle body produces smoother airflow during acceleration This results in.
greater engine control and stable operation at low rpm. SMOOTH OPERATION moving the outboard s center of gravity. forward While adding to the compactness of, Counter Balancer System the outboard and providing an improvement. in power performance this system also places, In line four cylinder engines operating the engine s axis of inertia the point where. at high rpms generate a secondary vibration vibrations produced by the engine are at a. that is directionally in line with the pistons minimum up over the upper engine mount. movement In order to counter this vibration thus greatly reducing vibration finish provides maximum bonding of the. Suzuki engineers utilize a secondary balancer outboard s finish to its aluminum surface. system which produces a horizontal motion Layered on top is an epoxy primer undercoat. against pistons movement To produce this Quietness black metallic finish and clear acrylic. horizontal motion the balancer is divided The DF150 and DF175 are powerful fiber finish that together form an effective. into left and right sections each rotating outboards but powerful doesn t mean that treatment against corrosion. in an opposite direction Rotating at twice they are noisy Quiet operation has long been. the speed of the crankshaft the balancers,effectively counter these secondary vibrations. an integral feature of Comparison,the Suzuki four,Enhanced Air Intake System. and produce a smoother operating engine stroke outboard Maximizing airflow into the engine is. design goal one way to gain maximum power output The. DF150 and DF175 are designed with a large, Thrust Mount System A comparison air induction port to increase airflow into the.
In order to reduce vibration and provide of engine engine Air is channeled into a large silencer. stable operation the DF150 and DF175 operating noise then through the intake manifold and finally. use a combination of two different rubber levels between into the cylinders via a high performance. mount types On both the upper and lower the four stroke DOHC four valve per cylinder head The. mounts a combination of soft type and high DF175 and its increased airflow results in more low to mid. According to Suzuki Internal, thrust rubber mounts are utilized The soft two stroke direct Running Test range torque and provides a wide powerband. fuel injection D I that is a must in an outboard engine The. rubber mounts used in this configuration, counterpart is shown in the graph In this system also includes a water separator which. are designed to absorb vibrations produced, comparison it is clear that the DF175 delivers keeps water out of the air intake system. in the idling through 2 000 rpm operating, range While adding to the compact design quieter operation over its entire range than Offset Drive Shaft. and providing an improvement in power and its two stroke counterpart. performance this system also places the high, thrust rubber mounts in the best position to DURABILITY AND.
provide stable operation under high loads RELIABILITY. Offset Drive Shaft Suzuki s Anti Corrosion,Suzuki s offset drive shaft has proven. successful in reduction of size for the DF70A Suzuki s anti corrosion finish is specially. DF90A DF115A DF140A DF200A DF225T formulated to increase the durability of. DF250T DF250SS and DF250AP DF300AP the engine and protect those parts of the. The DF150 and DF175 benefit from this aluminum exterior that are constantly. same design which positions the crankshaft exposed to saltwater Applied directly to the. in front of the drive shaft simultaneously outboard s aluminum alloy this advanced. DF150 175 PRODUCT INFORMATION,Advanced Electronics. 32 Bit ECM Engine Control Module Multi Point Sequential Electronic Fuel. The ECM Engine Control Module allows much more accurate injection. control over the motor s operation particularly the engine s ignition As Suzuki was the first outboard motor manufacturer to incorporate. and fuel delivery systems The DF150 and DF175 rely on a powerful multi point sequential fuel injection in a four stroke outboard it. 32 bit computer in the ECM to monitor and process crucial data in is only natural that the DF150 and DF175 would utilize the same. real time from a series of sensors placed in critical areas on the The system injects the optimum amount of fuel at high pressure. engine This comprehensive network of sensors includes the Manifold into each cylinder according to commands from the ECM s 32. Absolute Pressure Sensor Crankshaft Position Sensor Intake Air bit computer Along with saving fuel the system enables the. Temperature Sensor Shift Position Sensor Throttle Position Sensor DF150 and DF175 to meet the CARB 3 Star Ultra Low Emission. Cylinder Wall Temperature Sensor Camshaft Position Sensor and Standards and pass the EPA s 2010 regulations Other benefits. Exhaust Jacket Temperature Sensor Processing this data in real time include quick starts crisp acceleration smooth performance and. the computer controls the engine s ignition system and provides an maximum efficiency. ideal fuel supply under all operating conditions, Note Suzuki Precision Control Electronic Throttle and Shift System. available on DF150TG DF175TG Models Reference Product Information. Multi Point Sequential Electronic Fuel Injection Throttle 99999 C2047 021. High Output Alternators,The DF150 and DF175 are Alternator Output. equipped with alternators that,produce a maximum output of 44A.
12V and are capable of producing,almost 80 of their total output at a. low 1 000 rpm In most cases that s,enough power to keep an assortment. of electronics up and running, DESIGNED WITH batteries simultaneously on independent circuits With this design you. CONVENIENCE IN MIND can drain down the accessory battery powering your electronics and. still have a fully charged main battery for starting the motor. Tilt Limit Switch Requires purchase of optional wiring harness. The motor tilt system,incorporates a tilt limit,switch that prevents the Two Engine Flush Ports. motor from tilting beyond Salt sand and dirt can buildup in the engine s cooling system. a predetermined point causing damage over time The DF150 and DF175 are equipped with. The system can be set by two freshwater flush ports to make flushing of the cooling system as. Tilt Limit System, the user and can be used convenient as possible One port located on the port side of the down.
to protect both the boat and motor from damage that can occur when housing and a second located on the front panel provide easy access and. tilting the motor facilitate flushing of the system whether the boat is in or out of the water. Water Cooled Voltage Regulator,with Isolator, Both outboards incorporate a water cooled voltage regulator which. dissipates heat in the regulator to enhance the engine s durability. The regulator also includes isolator function in the battery. charging system that allows use of two batteries Electric current is. split into two circuits If the sub battery becomes drained this system. will safeguard the main battery Fuse Box,Fuses protecting the. outboard s electric system are, Regulator with Dual Circuit Charging assembled into a single fuse box located. System on the side of the outboard motor This, The DF150 175 features a built in dual circuit charging system that configuration offers convenient access. can be adapted for use with dual battery configurations When used and creates a clean exterior. in this configuration the system charges both main and auxiliary. A tradition of Innovation,Suzuki Motor Corporation.
Suzuki history begins with the founding of Suzuki Loom Works by Michio Suzuki in October 1909 Realizing that weaver wanted to produce cloth both vertical and. horizontal patterns he developed an automated loom capable of weaving patterned cloth from space dyed yarn His commitment to innovative engineering was the. start of an uncompromising focus on creating products that meet people s needs and offer new life style possibilities. While the company has evolved diversified and expanded since then we have always honored our founder s commitment to innovative engineering His philosophy. outboard with digital electronic fuel injection created the first four stroke outboard with a self adjusting and maintenance free timing chain developed the first use of an offset drive shaft with two stage mixed cam drive and designed and built the world s first 300 horsepower V6 four stroke outboards Our commitment to new and better ideas has earned us the respect of the industry and

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