Rato RG6.5-130Q-Z-2

Rato RG6.5-130Q-Z-2The Rato RG6.5-130Q-Z-2 is a tiller for garden, greenhouse and vegetable growers. The RG6.5-130Q-Z-2 is equipped with small 4-stroke general-purpose Rato R390 engine; gear type transmission system and gearbox with three forward, one reverse and idle speed.

The engine uses dual-element air cleaner, flat suction valve carburetor, transistorized magneto ignition system; centrifugal governor and recoil starter. The Rato RG6.5-130Q-Z-2 working width is 148 cm (58.26 in) and working depth is 36 cm (14.2 in)

The Rato R390 is a single-cylinder air-cooled 4-stroke internal combustion engine. Compression ratio rating is 8.5:1. An 88.0 mm (3.50 in) cylinder bore and 64.0 mm (2.50 in) piston stroke give the Rato R390 motor a total of 389 cc (23.7 cu-in) of displacement. The engine produced 7.8 kW at 3,600 rpm of horsepower and 25 N·m (2.54 kg·m, 18.43 ft·lb) at 2,500 rpm of torque.

General information

Tiller, Rotavator, Cultivator Specifications
Model Rato RG6.5-130Q-Z-2
Dimensions (L x W x H): 1000 x 560 x 815 mm (39.4 x 22.0 x 32.0 in)
Dry weight (without tines) 134.0 kg (295.4 lbs)
Operating weight 149.0 kg (328.5 lbs)
Engine
Engine model Rato R390
Displacement 289 cm3 (23.7 cu-in)
Bore x stroke 88 X 64 mm (3.5 x 2.5 in)
Max. horsepower 7.8 kW at 3,600 rpm
Max. torque 25 N·m (2.54 kg·m, 18.43 ft·lb) at 2,500 rpm
Carburetor Flat suction valve carburetor
Cooling system Forced-air
Ignition system Transistorized magento ignition
Lubricating system Splash
Starting system Recoil starter
Stoping system Ignition primary circuit ground
Fuel used Unleaded gasoline (octane number 86 or higher)
Fuel tank capacity 6.5 L
Transmission and clutch
Transmission Gear
Clutch type Friction Disk
Gearbox 3 Forward, 1 Reverse and 1 Idle

Maintenance data

Engine
Maximum speed 3,750-3,810 rpm
Cylinder compression 14.0 kg/cm2 at 1,400 rpm
Valve clearance
Intake valve clearance 0.15±0.02 mm (0.006±0.001 in)
Exhaust valve clearance 0.20±0.02 mm (0.008±0.001 in)
Oil system
Oil type 4-stroke or an equivalent (SJ)
Recommended oil SAE 10W-30, 15W-40
Oil capacity 1.1 L
Carburetor
Main jet #92
Float height 13.2 mm (0.52 in)
Pilot screw opening 1-7/8 turns out
Ignition system
Spark plug NGK: BPR6ES
Spark plug gap 0.7-0.8 mm (0.028-0.031 in)
Primary ignition coil resistance 0.6-0.9 Ω
Secondary ignition coil resistance 5.6-6.9 kΩ
Ignition coil air gap 0.4 ± 0.2 (0.016 ± 0.008)

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