ENGINES
full line
Overhead Cam Engines
OHV Slant Engines
OHV V-Twin Engines
Rammer Engines
Micro Engines
A Solid Investment. Lasting Value.
One of the largest engine manufacturers in the world, Subaru Robin produces more than 1.2 million engines annually for every type of market. With industry-leading technology and top-quality components, our engines power everything from rammers, welders and trowels to generators, pressure washers and fun karts – and everything in between. With a two-year warranty and an expansive parts and service network, our support after the sale is second to none. In fact, it’s the most comprehensive, powerful engine package on the market.
Excellent Engines
With more than 40 years of superior operation and quality that’s second to none,
Subaru engines have earned a worldwide reputation for top-notch performance and unbeatable reliability. When you buy Subaru
engines, you can count on excellent value every time.
•With less recoil pulling force, an electronic ignition system and automatic decompression, you can rely on easy starting every time.
•High power and torque, extended running time and high compression ratios ensure premium performance in a broad range of applications.
•Designedwithcast-ironcylinderliners,ahigh-carbonsteelcrankshaftsupported by steel ball bearings and an electronic low-oil shut-off, Subaru engines are built to last.
•The strength of the Subaru network remains long after the sale with more than 4,500SubarudealersinNorthAmericaandthesupportofatwo-yearlimitedwarranty.
•Subaru engines meet or exceed all current EPA and California emission standards.
OVERHEAD CAM
Combining advanced technology
with experienced craftsmanship, Subaru Robin’s EX Series engines are leading the industry.
With four models ranging from 4.5- to 9-horsepower, these engines are superior to competitors in the same class. After all, it’s the first air-cooled engine line to use advanced chain-driven overhead cam (OHC) technology to ensure more power, less noise and easy, one-pull starting every time.
ADVANCED TECHNOLOGY
Subaru Robin’s EX Series engines take technology to the extreme. Using chain-driven overhead cam (OHC) technology, these workhorses provide maximum efficiency, performance and power, along with minimal noise and emissions.
Extremely easy starting with no kick-back:
•An automatic decompression system offers easier starting, reducing the required pulling force by 30 to 40 percent.
•EX engines start instantly even at temperatures as cold as -10 C without any perceptible kick-back.
More power means superior performance:
• Pent roof combustion chamber allows for a high compression ratio of up to 9:1.
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EX13 |
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Max Power |
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EX17 |
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EX21 |
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EX27 |
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8 (kW) |
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Less noise:
•33percentfewermovingvalvetrainpartsthanOHVdesignsandreducedmechanical noise ensures noise levels a full 2 dbA below competitive models.
LONG
LIFE
AND EASY
MAINTENANCE
These engines take a lot of abuse, which is why they were built with longevity in mind. A cooler running design and heavy-duty interior parts ensure maximum uptime. When maintenance is performed, EX Series engines require no special tools and have high parts commonality between models.
•The patent-pending cooling design features a slanted cylinder and 360-degree airflow around both the exhaust and intake valve stem areas.
•Heavy-duty piston rings and a cast-iron cylinder liner resist wear and ensure a long engine life.
•A case-hardened steel timing chain allows for precision timing and maximum durability.
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FACTORY OPTIONS |
Low-profile Air Cleaner |
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Charging System up to 200 watts* |
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Solenoid-Actuated Idle Control |
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Accommodates a |
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compact design for |
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Electronic Low Oil Shut-Off System |
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Manual or Remote Control Choke |
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generator applications. |
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Key, Tapered or Threaded Shafts |
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Multiple Air Cleaner Options |
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Manual or Cable Remote Throttle Control |
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Extra-large, Extremely Quiet Muffler |
Electric Start* |
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Cyclone Pre-cleaner |
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For quick, convenient |
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Ensures engine |
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noise reduction. |
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and easy starting. |
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protection even in high |
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dust environments. |
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2
1
4
6
5
3
KEY FEATURES
1Chain-driven overhead cam
2Optimized-capacity rigid muffler
3Dual ball bearing crankshaft support
4Pent roof combustion chamber
5Case-hardened steel timing chain
6Lubrication holes for the critical rod journal
BENEFITS
#1 - Industry leading chain-driven overhead cam offers superior power and performance.
#2 - Optimized-capacity rigid muffler for noise reduction 2 decibels below competitor models.
#3 - Dual ball bearing crankshaft support offers maximum stability under demanding loads.
#4 - Pent roof combustion chamber enables optimum intake and exhaust valve placement for maximum engine performance and efficiency.
*for 6 hp and above
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