Troubleshooting Guide for Hyundai 52cc Petrol Wheeled Grass Trimmer / HYWT5200X

If troubleshooting does not solve the problem, contact your dealer or the manufacturer directly. Use only original parts approved by the manufacturer; otherwise, a hazard risk arises.

Problem	Possible cause	Possible corrective actions;
NO SPARK	1. Carbon deposit between electrodes of the spark plug. 2. Ignition coil defective flywheel magneto too weak	1. Clean the spark plug. Adjust the gap to 0.6 ~ 0.7mm, replace the spark plug. 2. Replace the ignition coil or the flywheel.
WEAK SPARK	1. Too much fuel in the combustion chamber, poor fuel or water in tank. 2. Blocked fuel line	1. Remove spark plug and dry, replace fuel. 2. Clean the carburetor and clean the lines.
NORMAL FUEL SUPPLY BUT WEAK COMPRESSION	1. Worn piston rings, spark plug not tightened, the cylinder head is not tightly wrong valve clearance or ignition.	1. Replace or adjust.
NORMAL FUEL SUPPLY AND POOR SPARK	1. Poor contact between spark plug cap and spark plug.	1. Check or exchange.
MOTOR DOES NOT COME UP TO SPEED	1. Choke is in "cold start" position, exhaust system does not clog air supply, worn Movable elements, spark weak, valve clearance to big, sooty cylinder head	1. Open choke, exhaust system ignition coil exchange check or replace flywheel Adjust spark plug.
POWER RUNS OUT	1. Congested fuel lines to the carburetor. Spark plug gap incorrect.	1. Unblock/Replace lines and carburetor. Reset spark plug gap.
NOISY ENGINE	1. Incorrect choke lever position, or damage to crankshaft	1. Check and correct choke lever position. Check and/or replace crankshaft.
LEAKING CARBURETTOR	1. Failure of the non-return valve on the fuel tank lid. Worn carburetor gasket.	1. Replace the fuel cap. Replace the carburetor seal.

If you need any spare parts for your Hyundai petrol pressure washers, please take a look at our page: https://power-spares.co.uk/

For further assistance, call our after-sales team on 01646 687880 or send email to [e-mail]

For more information, helpful hints, and tips, visit the Hyundai Power Equipment website hyundaipowerequipment.co.uk