TGB Blade 250 ATV Quad Service Repair Manual, Page 22Get this manual
1GENERAL INFORMATION GLoss power
Probable causes
Raise wheels off ground and spin by hand
Spin freely
Check tire pressure
Abnormal
Brake dragging Drive chain too tight Damaged wheel bearing Wheel bearing needs lubrication
Punctured tire Faulty tire valve
Accelerate lightly, engine speed can be increase
Check ignition timing
Fuel air mixture ratio too rich or lean Clogged in air cleaner Clogged in muffler Restricted fuel flow Clogged fuel tank cap breather hole
1 Test cylinder compression