Lawnmower

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Product Information

  • Model #: 20631
  • Serial #: 9000001 - 9999999
  • Product Type: Walk Behind Mowers

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GRASS BAG ASM(SERVICE (Part # 11-0159)
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WEAR PLATE KIT (Part # 49-4080)
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*OBS* GRASS BAG KIT(44-0522) (Part # 8-2759)

  • Model #
    20631
  • Serial #
    9000001 - 9999999
  • Product Name
    Lawnmower
  • Product Brand
    Toro
  • Product Type
    Walk Behind Mowers
  • Product Series
    21" (53cm) 3 in 1 / Recycler
  • Chassis Type
    Cast Deck WPM
  • Swath
    21 inch
  • Discharge
    Rear Bagger
  • Engine/Motor Manufacturer
    Tecumseh
  • Engine/Motor Type
    4 Cycle
  • Engine Starter
    Recoil
  • Transmission Type
    Gear

  • Engine: Bore
    2.625" (66.7mm)
  • Engine: Stroke
    1.938" (49.2mm)
  • Engine: Displacement
    10.49 cu.in. (172cc.)
  • Engine: Cylinder Liner
    Cast iron
  • Engine: Crankshaft Bearing (Mag)
    Plain
  • Engine: Crankshaft Bearing (PTO)
    Plain
  • Engine: Connecting Rod Bearing (Lower)
    Plain
  • Engine: Engine Rotation
    Counterclockwise viewed from PTO
  • Engine: Carburetor
    Float style
  • Engine: Fuel Capacity
    32 oz. (0.95L)
  • Engine: Ignition System
    Transistorized
  • Engine: Starting System
    Recoil
  • Engine: Lubrication
    Reciprocating type oil pump
  • Engine: Oil Capacity
    21 oz. (0.62 L)
  • Engine: Recommended Oil
    Detergent SAE 10W30 or 30, API rating of SC,SD,SE or SF
  • Engine: Governor Type
    Centrifugal, mechanical
  • Engine: Governed Engine Speed
    3000 +/- 50 rpm
  • Engine: Idle Speed
    1500 +/- 300 rpm
  • Engine: Air Cleaner
    Oiled foam type element
  • Engine: Valve Margin Allowable Limit
    0.031" (0.80mm)
  • Engine: Width of Valve Seat Contact
    0.035/.045" (0.89/1.143mm)
  • Engine: Valve Lash
    0.008" (0.20mm)
  • Engine: Valve Seat Angle
    31/16/60 Degrees
  • Engine: Valve Face Angle
    45 Degrees
  • Engine: Oversize Valve Guide I.D.
    0.2807/.2817" (7.130/7.155mm)
  • Engine: Crankshaft Runout
    0/0.002" (0/0.05mm) Allowable Limit 0.010" (0.254mm)
  • Engine: Crankshaft End Play
    0.005/.027" (0.13/.69mm)
  • Engine: Crankshaft Journal Diameter (Mag)
    0.9985/.9990" (25.362/25.375mm)
  • Engine: Crankshaft Journal Diameter (PTO)
    0.9985/.9990" (25.362/25.375mm)
  • Engine: Crankpin Journal Diameter
    0.9995/1.000" (25.387/25.400mm)
  • Engine: Crankshaft Bearing Diameter (Mag)
    1.0005/1.0010" (25.413/25.425mm)
  • Engine: Crankshaft Bearing Diameter (PTO)
    1.0005/1.0010" (25.413/25.425mm)
  • Chassis: Height of Cut Range
    1-3"; 1/2" increments
  • Drive System: Gearbox Lubricant
    #2 Lithium grease
  • Drive System: Ground Speed
    1.8 / 2.7 / 3.8 mph
  • Engine: Ignition Coil Air Gap
    .013" / .33mm
  • Engine: Spark Plug
    Champion J19LM
  • Engine: Spark Plug Gap
    .030"/ .76mm

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