Specifications

Engine

Manufactur Briggs & Stratton

Model Series 121602

Cycle 4

Valve Type Over Head Valve (OHV)

Choke Primer Bulb

Displacement 190 cc (11.59 cu in.)

Bore 68 mm (2.64 in.)

Stroke 52 mm (2.04 in.)

Armature Air Gap 0.25-0.36 mm (0.010-0.014 in.)

Intake Valve Clearance 0.10-0.20 mm (0.004-0.008 in.)

Exhaust Valve Clearance 0.10-0.20 mm (0.004-0.008 in.)

Operating Range 3100 - 3300 rpm

Spark Plug John Deere M78543, Champion RC12YC

Spark Plug Gap 0.51 mm (0.020 in.)

Spark Plug Torque 20 N·m (15 lb-ft)

Starter Recoil

Air Cleaner Paper Element with Foam Pre-Cleaner

Capacities

Fuel 1.5 L (1.6 qt)

Engine Oil approximately 590 ml (20 oz)

Grease as needed

Travel Speed Range (JS63, JS63C)

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)

Machine Specifications

Deck Material Steel

Adjustable Handle Standard

Rear Grass Bag

JS63 Available

JS63C Available

Side Discharge Chute Standard

Mulching Standard

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

Safety System Zone Start

Dimensions (JS63)

Weight without Attachments 38.6 kg (85 lb)

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

Cutting Width 53.3 cm (21 in.)

Wheel Size 8.75 x 2.25

Dimensions (JS60H and JS63C)

Weight 37 kg (82 lb)

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

Cutting Width 53.3 cm (21 in.)

Wheel Size

Front Wheel Size 22.23 x 5.72 cm (8.75 x 2.25 in.)

Rear Wheel Size (JS60H) 35.56 x 4.45 cm (14 x 1.75 in.)

Rear Wheel Size (JS63C) 22.23 x 5.72 cm (8.75 x 2.25 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.