Free Shipping and No Hassle Returns
Free Shipping
We offer free shipping on orders over $199.*
No Hassle Returns
Don’t like it? Send it back. It’s that simple.*
Same Day Shipping
Most orders ship same day if placed by 5PM EST (M-F)
*Restrictions Apply. See Details »
Model#: BGSN21R707-0011-G1

What are the different product conditions?

Brand new items;Full manufacturer warranty available
Manufacturer inspected, repaired and tested items; CPO 60 day money back guarantee
Open Box
New or Recon items with possible minor cosmetic damage; CPO 60 day money back guarantee
Returned items inspected, repaired and tested by CPO technicians; CPO 60 day money back guarantee

Briggs & Stratton 21R707-0011-G1 344cc Intek Series Engine with 1 in. Tapped 7/16-20 Keyway Crankshaft (CARB)

  • Briggs & Stratton 21R707-0011-G1 344cc Intek Series Engine with 1 in. Tapped 7/16-20 Keyway Crankshaft (CARB)
Sale Price:
You Save
Free Shipping
(continental U.S.)
Ships in 2-3 business days


Briggs & Stratton's powerful Intek Series engines deliver unmatched reliability along with superior performance and durability. Featuring XRD technology, the Intek Series features enhanced durability and overall performance due to the consolidation of dozens of improvements.
  • Advanced debris management with dual-sealing cartridge style air filter provides the maximum protection to extend engine life
  • AVS anti-vibration system provides linear balancing to eliminate side motion to reduce vibration and smoothen operation
  • Dura-Bore cast iron cylinder sleeve withstands more wear and abuse while providing improved oil control
  • DuraLube splash lubrication system offers a gear driven system that continuously supplies oil to all internal parts
  • Heavy-duty Teflon coated bronze sleeve bearing withstands twice the belt load of standard bearings to reduce wear
  • High capacity panel air cleaner element increases cleaning capability for extended life
  • Model Specific Features: Pulse fuel pump, Choke-A-Matic choke, 12V Gear Drive start with dual circuit alternator and dipstick oil system
  • Please Note: Fuel tank omitted from this model
  • 344cc Intek Series Engine w/ 1 in. Tapped 7/16-20 Keyway Crankshaft (CARB) - 21R707-0011-G1


Series: Intek
Length: 17.8 in.
Width: 15.5 in.
Height: 12.9 in.
Carburetor: Float-Feed
Controls: Remote
Cooling System: Air
Crankshaft Diameter: 1 in.
Crankshaft Length (Sump Face to Crankshaft End): 3-5/32 in.
Crankshaft Model Number: 697390
Crankshaft Tapping Size: 7/16 in. - 20
Crankshaft Type: Keyway
Cylinder Bore: 3.44-in (87.3mm)
Cylinder Stroke Length: 2.26-in (57.5mm)
Engine Configuration: Vertical
Engine Displacement: 344cc
Engine Technology: OHV
Fuel Type: Gasoline
Governor: Mechanical
Governor Max. Speed (RPM): 3,300
Horsepower: 12.5
Lubrication System: Splash
Number of Cylinders: 1
Oil Capacity: 48 oz.
Power Type: Gas
Recommended Use: Lawn Mowers, Riding Mowers, Tow-Behind Mowers
Shipping Weight: 72.7 lbs.
Starter: Recoil
Starter Position: 9



There are no reviews for this item. Write Review

Questions & Answers

Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 1 question Browse 1 question and 1 answer
Proper way to stop the engine ?
New engine installed, and works fine. Is there a lead that should be interrupted, or grounded, to stop the engine ? Currently, plug wire is being shorted to ground.

Surely there is a way to insert a toggle switch, to perform this, easily on the primary side ?

John S on Jun 4, 2015
BEST ANSWER: Please contact the manufacturer directly for technical support at 800-444-7774.