10 - 5TRBLSHTGFAULTY CLUTCH PERFORMANCE/OVERHEATING/FAULTY BRAKEPOOR SPEED PERFORMANCEV-belt Oil or grease on the V-beltPrimary pulley weight Faulty operation Worn primary pulley weightPrimary fixed sheave Worn primary fixed sheavePrimary sliding sheave Worn primary sliding sheaveSecondary fixed sheave Worn secondary fixed sheaveSecondary sliding sheave Worn secondary sliding sheaveOVERHEATINGOVERHEATINGIgnition system Improper spark plug gap Improper spark plug heat range Faulty CDI unitFuel system Improper carburetor main jet(improper setting) Improper fuel level Clogged air filter elementCompression system Heavy carbon build-upEngine oil Improper oil level Improper oil viscosity Inferior oil qualityCooling system Low coolant level Damaged or leaking radiator Faulty radiator cap Bent or damaged radiator fin Damaged or faulty water pump Thermostat stays closed Clogged or damaged oil cooler Damaged hose Improperly connected hose Damaged pipe Improperly connected pipeBrake Brake dragFAULTY BRAKEPOOR BRAKING EFFECT Worn brake pads Worn disc Air in brake fluid Leaking brake fluid Faulty master cylinder kit cup Faulty caliper kit seal Loose union bolt Broken brake hose and pipe Oily or greasy disc/brake pads Improper brake fluid level