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Mita Prima
Mita Prima

This Briggs & Stratton Intek Vertical OHV Engine delivers excellent reliability with superior performance and durability. This powerful engine has a heavy-duty Teflon-coated bronze sleeve bearing, an automotive-style dipstick and an anti-vibration system. Designed for riding lawn mowers.

What's Included
  •  (1) Engine

Features + Benefits

  • Dura-Bore™ cast iron cylinder sleeve provides improved oil control for extended engine life
  • Float carburetor for consistent easy starting
  • Maintenance-free Magnetron electronic ignition for quick, dependable starts
  • Easy to use 12V electric start
  •  Dual circuit alternator has output of 3 Amps DC and 14 Amps AC
  • Dual-sealing cartridge-style air filter provides maximum protection and extends engine life
  • Automotive-style dipstick for simple oil level checks
  • DuraLube™ gear-driven splash lubrication system continuously supplies oil to all internal parts
  • Teflon-coated bronze sleeve bearing withstands twice the belt load of a standard bearing and reduces wear
  • High-volume cooling fan extends engine life through cooler operating temperatures
  • OHV design runs cooler and cleaner for long life and improved fuel economy
Key Specs
Item# 44650


Manufacturer's Warranty24 months parts / 24 months labor
Ship Weight72.0 lbs
Engine Displacement (cc) 344
Start Type Electric
ApplicationRiding mower
Engine TypeIntek OHV
Shaft Output Vertical
Crankshaft1 x 3 5/32
Shaft Diameter (in.)1
Shaft Length (in.)3 5/32
Shaft Keyway (in.) 1/4
Shaft End Tapped (Diameter (in.)/Threads per inch)7/16-20
Shaft Rotation (From PTO Shaft Side)Counterclockwise
Gear Reduction No
Bearing Type Plain
Cylinders (qty.) 1
Cylinder Bore Cast iron
Bore x Stroke (in.) 3.44 x 2.26
Compression Ratio 8.5:1
Cooling System Air cooled
Air Cleaner Type Cartridge style Fuel Tank Not included Fuel Type Gasoline Fuel Pump No Fuel Filter Yes Oil Capacity (qt.) 1.5 Lubrication System Splash Low Oil Alert No Low Oil Shutdown No Ignition System Electronic Governor System Mechanical Carburetor Float Throttle Control Remote Choke Control Manual Max. RPM 3,600 Charging System Amps 3A DC, 14V AC Muffler Included Yes Auto Compression Release Yes Bolt Circle (in.) 10 Dimensions L x W x H (in.) 17 x 17 x 16 1/2 EPA/CARB Approval (California Air Resource Board) Yes

Warranty: 1-Year Warranty

Briggs & Stratton Intek Vertical OHV Engine With Electric Start— 344cc, 1in. x 3 5/32in. Shaft, Model# 21R707-0084-G1

  • Product Code: MTP3477872

This Briggs & Stratton Intek Vertical OHV Engine delivers excellent reliability with superior performance and durability. This powerful engine has a heavy-duty Teflon-coated bronze sleeve bearing, an automotive-style dipstick and an anti-vibration system. Designed for riding lawn mowers.

What's Included
  •  (1) Engine

Features + Benefits

  • Dura-Bore™ cast iron cylinder sleeve provides improved oil control for extended engine life
  • Float carburetor for consistent easy starting
  • Maintenance-free Magnetron electronic ignition for quick, dependable starts
  • Easy to use 12V electric start
  •  Dual circuit alternator has output of 3 Amps DC and 14 Amps AC
  • Dual-sealing cartridge-style air filter provides maximum protection and extends engine life
  • Automotive-style dipstick for simple oil level checks
  • DuraLube™ gear-driven splash lubrication system continuously supplies oil to all internal parts
  • Teflon-coated bronze sleeve bearing withstands twice the belt load of a standard bearing and reduces wear
  • High-volume cooling fan extends engine life through cooler operating temperatures
  • OHV design runs cooler and cleaner for long life and improved fuel economy
Key Specs
Item# 44650


Manufacturer's Warranty24 months parts / 24 months labor
Ship Weight72.0 lbs
Engine Displacement (cc) 344
Start Type Electric
ApplicationRiding mower
Engine TypeIntek OHV
Shaft Output Vertical
Crankshaft1 x 3 5/32
Shaft Diameter (in.)1
Shaft Length (in.)3 5/32
Shaft Keyway (in.) 1/4
Shaft End Tapped (Diameter (in.)/Threads per inch)7/16-20
Shaft Rotation (From PTO Shaft Side)Counterclockwise
Gear Reduction No
Bearing Type Plain
Cylinders (qty.) 1
Cylinder Bore Cast iron
Bore x Stroke (in.) 3.44 x 2.26
Compression Ratio 8.5:1
Cooling System Air cooled
Air Cleaner Type Cartridge style Fuel Tank Not included Fuel Type Gasoline Fuel Pump No Fuel Filter Yes Oil Capacity (qt.) 1.5 Lubrication System Splash Low Oil Alert No Low Oil Shutdown No Ignition System Electronic Governor System Mechanical Carburetor Float Throttle Control Remote Choke Control Manual Max. RPM 3,600 Charging System Amps 3A DC, 14V AC Muffler Included Yes Auto Compression Release Yes Bolt Circle (in.) 10 Dimensions L x W x H (in.) 17 x 17 x 16 1/2 EPA/CARB Approval (California Air Resource Board) Yes

Warranty: 1-Year Warranty

$247.70

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Tags: briggs stratton vertical intek engine with electric start 344cc 32in shaft model 21r707 241cc 390cc engines Briggs Stratton Intek Vertical Engine With Electric Start— 344cc 1in. 5/32in. Shaft Model# 21R707-0084-G1 241cc - 390cc Briggs & Stratton Vertical Engines 241cc - 390cc Briggs & Stratton Vertical Engines Briggs & Stratton Intek Vertical OHV Engine With Electric Start— 344cc 1in. x 3 5/32in. Shaft Model# 21R707-0084-G1 Briggs & Stratton Intek Vertical OHV Engine With Electric Start— 344cc 1in. x 3 5/32in. Shaft Model# 21R707-0084-G1 241cc - 390cc Briggs & Stratton Vertical Engines

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The prices of all our items are final prices including sales tax. You will not be charged any additional fees after placing an order through our online store.

In stock items usually ship between 2 - 3 business days. Our delivery time is 7 - 20 business days.

Yes, we ship to overseas.