TGB Blade 250 ATV Quad Service Repair Manual, Page 71Get this manual

TGB Blade 250 ATV Quad Service Repair Manual, Page 71

6CYLINDER HEADNALVE Rocker Arm
Measure the cam rocker arm I.D and wear or damage, oil hole clogged? Service Limit: Replace when it is less than 12.080 mm

Rocker Arm Shaft