TGB Blade 250 ATV Quad Service Repair Manual, Page 18Get this manual

TGB Blade 250 ATV Quad Service Repair Manual, Page 18

1GENERAL INFORMATION Troubles Diagnosis AEngine hard to start or can not be started Probable causes 1 Loosen carburetor drain
against engine ground i{+Check if sparks Perform cylinder compression pressure testI Weak sparks, no spark at Cylinder compression
pressure normal Low compression pressure or no pressure Re-start by following the starting procedures Piston ring seized
Malfunction of cylinder valves Worn cylinder and piston ring Cylinder gasket leak Sand hole in compression parts No ignition
There are some signs of Malfunction of throttle valve operation Air sucked into intake manifold Incorrect ignition timing
Remove the spark plug again and check itI Dry spark plug Wet spark plug Fuel level in carburetor too high Malfunction of