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Specifications


Engine

Manufacturer Briggs & Stratton

Model Series 121602

Horsepower 4.8 kW (6.5 hp)

Cycle 4

Valve Type Over Head Valve (OHV)

Choke Primer Bulb

Displacement 190 cc (11.59 cu in.)

Bore & Stroke 68 x 52 mm (2.64 x 2.04 in.)

Operating Range 3000-3200 rpm

Spark Plug John Deere M78543 or Champion RC12YC

Spark Plug Gap 0.51 mm (0.02 in.)

Spark Plug Torque 20 N•m (15 lb-ft)

Starter Recoil

Air Cleaner Paper Element with Foam Pre-Cleaner

Travel Speed Range

JS61

First Gear 3.9 km/h (2.4 mph)

JS63

First Gear 3.1 km/h (1.9 mph)

Second Gear 3.9 km/h (2.4 mph)

Third Gear 5.0 km/h (3.1 mph)

Capacities

Fuel 1.5 L (1.6 qt)

Engine Oil 0.47 L (16 oz)

Grease as needed

Machine Specifications

Deck Material Steel

Adjustable Handle Standard

Rear Grass Bag

JS61 Available

JS63 Available

Side Discharge Chute Standard

Mulching Standard

Mower Blade Bolt Torque 75 N•m (55 lb-ft)

Safety System Zone Start

Dimensions

Wheel Size 8.75 x 2.25

Mower Weight without Attachments

JS61 36.7 kg (81 lb)

JS63 38.6 kg (85 lb)

Cutting Height Range 2.5-10.2 cm (1-4 in)

Cutting Width 53.3 cm (21 in)

Recommended Lubricants

Engine Oil TORQ-GARD SUPREME® (SAE 30 or SAE 10W-30)

Grease John Deere MOLY HIGH TEMPERATURE EP GREASE.

John Deere HIGH TEMPERATURE EP GREASE.

John Deere GREASE GARD™.

(Specifications and design subject to change without notice)

Sound Measurements

Averaged Sound Level at Work Station According to 79/113/EEC and 84/538/EEC (with all the amendments)

JS61 and JS63 85 dB(A) at 3000 r/min engine speed

Vibration

Maximum Weighted Root Mean Square Acceleration (Hand/Arm measured per EN1033)

JS61 and JS63 did not exceed 2.5 m/s2 at 3000 r/min engine speed