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Kubota GR2000 Troubleshooting
The
Kubota GR2000 is a 4-wheel drive garden tractor. This model was manufactured
from 2005 to 2007. The components of Kubota GR2000 driveline system: 38.1 cu.in
(0.62 L) Kubota GH630 four cycle 2-cylinder air-cooled gasoline engine with max
power of 20 hp (14.8 kW), and hydrostatic transmission with infinite forward and
reverse gears.
Max. forward speed - 6.2 mph (10 kph), maximum reverse speed - 3.1 mph
(5 kph). The Kubota GR2000 was equipped with a hydrostatic power
steering, internal expanding brakes, 16x6.50-8 front tires, and
23x10.5-12 rear tires.
The wheelbase is 50.4 inches (1280 mm). The tractor is compatible with a
48" mid-mount 3-blade Kubota 1219 mower deck with cutting height of
1.0-4.0 in (25-101) and hydraulic lift, 46" front-mount Kubota GR2707
snowblower, and 48" front-mount Kubota GR2705 blade.
| Engine Troubleshooting |
| Engine will not start or starts up hard |
| Gas tank is empty - Fill fuel up |
| Low-quality gasoline - Use quality gasoline |
| Fuel system clogged - Repair or replace |
| Spark plug wiring connection is damaged - Inspect spark plug wiring connection, change or repair |
| Faulty spark plug - Replace spark plug |
| Plugged fuel filter - Fuel filter needs changing |
| Safety contact for brake pedal defective - Install new part |
| Carburetor is dirty - Wash, clean and adjust |
| Engine has bad compression - Check cylinder block and change wear parts |
| Throttle cable is adjusted improperly or worn - Adjust correctly or change the cable |
| Cooling fins are clogged - Need to wash or clean |
| Ignition failure - Inspect ignition system and change faulty parts |
| Stuck or defective throttle cable - Replace or clean the cable |
| Clogged air filter - Change or service air filter |
| Clogged or defective fuel pump - Check fuel pump and change if required |
| Engine starts but then stalls |
| Defective spark plug - Install new spark plug |
| Carburetor is dirty or faulty - Clean or install new carburetor |
| Ignition coil is faulty - Ignition coil should be replaced |
| Broken or loose valve springs - Replace valve springs |
| Stuck valves - Clean the valves |
| Engine oil level low - Fill the crankcase with engine oil |
| Engine overload - Load reducing required |
| Air intake grill is clogged - Wash or clean as required |
| Too lean carburetor mixture - Make the correct settings |
| Ignition timing is wrong - Ignition timing needs to be adjusted correctly |
| Wrong valve setting - Valves needs to be set correctly |
| Low octane fuel - Use proper gasoline |
| Engine is running overloaded - Reduce the load |
| Not enough engine oil - Checking oil level and add if necessary |
| Low idle speed adjustment is incorrect - Adjust idling as required |
| Dirty or defective fuel pump - Test fuel pump and replace if necessary |
| Worn crankshaft or main bearings - Repair or replace defective parts |
| Incorrect valve clearance - Adjust to proper valve clearance |
| Piston rings or cylinder bore are damaged - Change defective components |
| Clogged or improperly adjusted carburetor - Clean or correctly adjust carburetor |
| Clogged air filter - Service or replace air filter |
| Fuel pump is dirty or defective - Clean or replace fuel pump |
| Ignition system problems - Inspect ignition system and change failed components |
| Damaged cylinder-head gasket - Replace the gasket as required |
| Stuck or burned valves - Service or replace valves |
| Worn or damaged push rod - Push rod should be replaced |
| Faulty cylinder block parts - Change defective parts |
| Engine uses too much fuel |
| Throttle is not fully open - Change or adjust throttle cable |
| Carburetor main jet is incorrectly adjusted - Adjust it correctly |
| Defective or loose spark plug - Tighten or change the spark plug |
| Valves are stuck, burned, or worn - Replace or service valves |
| Sleeve, rings, or piston are damaged - Change defective components |
| Incorrect valve clearance - Adjust valve clearance according to specifications |
| Engine consuming too much oil |
| Gaskets or seals are excessively worn - Defective components must be replaced |
| Valve stems and guides are worn - Replace the valves |
| Stuck or worn piston rings - Replace piston rings |
| Cylinder liner or piston is scored - Inspect piston and liner, replace as required |
| Plugged breather pipe or hose - Change or service |
| Hydrostatic Transmission Troubleshooting |
| Excessive hydrostatic transmission noise |
| Speed control pedal linkage is bent or not adjusted - Adjust or replace linkage |
| Transmission overload - Reduce transmission load |
| Transmission oil is contaminated or oil level is insufficient - Add oil to proper level or pour fresh transmission oil |
| Worn or defective transmission components - Check transmission components and change if necessary |
| Shift linkage is stuck or damaged - Clean or change linkage |
| Hydrostatic pump is stuck or worn - Change or repair pump |
| Defective or unadjusted transmission shift control components - Adjust properly or change |
| Low oil level - Fill the transmission housing to proper oil level |
| Defective or worn drive sheave - Replace sheave |
| Shifter linkage is not adjusted or faulty - Adjust properly or replace linkage |
| Worn or out of adjustment speed control linkage - Repair or adjust linkage |
| Broken transmission gaskets or seals - Install new seals or gaskets |
| Final drive shaft leakage - Install new shaft seals |
| Transmission housing is cracked - Install a new transmission housing |
| Mower Deck Troubleshooting |
| Mower vibrates too much |
| Drive pulley of mower deck is damaged or dirty - Replace or service pulley |
| Drive belt is defective or loose - Change belt or adjust belt tension |
| Mower blades are bent or out of balance - Balance or change blades |
| Loose blade mounting bolts - Tighten it fast |
| Constant clogging of discharge chute |
| Ground speed is too fast - Operate at slower speed |
| Long grass - Need to set low cutting height |
| Engine runs at low revs - Adjust carburetor to higher rpm |
| Low cutting height - Use a higher cutting height |
| Improper drive belt installation - Install drive belt correctly |
| Lawn mower leaving uncut grass |
| Discharge chute is plugged - Mower deck needs to be cleaned |
| Not sharp blades - Sharpen the blades |
| Worn or defective blades - Replace the blades |
| Fast ground speed - Operate at slower speed |
| Cutting level is too low - Adjust mower to higher cutting height |
| Filled bagger - Clean bagger |
| Uneven or bumpy lawn - Lawn leveling required |
| Cutting level is too low - Raise the cutting height |
| High mowing speed - Operate at slower speed |
| Deck is not leveled correctly - Deck should be adjusted correctly |
| Blades are bent or worn - Blades need to be replaced |
| Tires are not correctly inflated - Inflate tires as required |
| Low tire inflation - Check and inflate the tires |
| Deck is not leveled correctly - Deck should be adjusted correctly |
| Blades are excessively dull - Blades need to be sharpened |
| Bent or worn blades - Blades need to be replaced |
| Deck is plugged with grass - Clean out the mower deck |
| Deck housing is broken - Replace or repair the deck |
| Loose or defective mower spindle - Change or repair the spindle |
| Electrical Troubleshooting |
| Battery cannot be charged |
| Corroded or loose electrical wire connections - Service or tighten connections |
| Battery terminal connectors are defective - Change terminal connectors |
| Worn-out battery - Replace the battery |
| Low battery capacity - Battery is drained, charge it |
| Battery does not hold charge - Service or change the battery |
| Disconnected wires or corroded battery terminals - Connect wiring properly or install new terminals |
| Battery is low or faulty - Change or recharge battery |
| Disconnected or incorrectly connected wires - Inspect battery wires and connect correctly |
| Battery voltage is low - Battery is drained, recharge it |
| Spark plug gapped improperly or faulty - Clean and gap or replace |
| Starter motor or solenoid is defective - Replace solenoid or repair starter |
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| Lawn and Garden Tractors Technical Specs |
