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
ModelRato 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 weight149.0 kg (328.5 lbs)
Engine
Engine modelRato R390
Displacement289 cm3 (23.7 cu-in)
Bore x stroke88 X 64 mm (3.5 x 2.5 in)
Max. horsepower7.8 kW at 3,600 rpm
Max. torque25 N·m (2.54 kg·m, 18.43 ft·lb) at 2,500 rpm
CarburetorFlat suction valve carburetor
Cooling systemForced-air
Ignition systemTransistorized magento ignition
Lubricating systemSplash
Starting systemRecoil starter
Stoping systemIgnition primary circuit ground
Fuel usedUnleaded gasoline (octane number 86 or higher)
Fuel tank capacity6.5 L
Transmission and clutch
TransmissionGear
Clutch typeFriction Disk
Gearbox3 Forward, 1 Reverse and 1 Idle

Maintenance data

Engine
Maximum speed3,750-3,810 rpm
Cylinder compression14.0 kg/cm2 at 1,400 rpm
Valve clearance
Intake valve clearance0.15±0.02 mm (0.006±0.001 in)
Exhaust valve clearance0.20±0.02 mm (0.008±0.001 in)
Oil system
Oil type4-stroke or an equivalent (SJ)
Recommended oilSAE 10W-30, 15W-40
Oil capacity1.1 L
Carburetor
Main jet#92
Float height13.2 mm (0.52 in)
Pilot screw opening1-7/8 turns out
Ignition system
Spark plugNGK: BPR6ES
Spark plug gap0.7-0.8 mm (0.028-0.031 in)
Primary ignition coil resistance0.6-0.9 Ω
Secondary ignition coil resistance5.6-6.9 kΩ
Ignition coil air gap0.4 ± 0.2 (0.016 ± 0.008)
Author: Sergei Wers
About: Co-founder and CEO of a multi-brand auto repair shop (engine repair, chassis repair, body repair and painting) for over 15 years. I have been developing internet sites with technical specifications for more than seven years.

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We try to use official documentation and verify the published data, but errors may occur. In addition, specifications of machinery and equipment may vary depending on markets and modifications. We do not recommend the use of this data for spare parts or repairs. Use official service manuals or parts catalogs for your product.

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