Yamaha YZF-R125 Service Manual: Electrical system

Yamaha YZF-R125 Service Manual / Electrical system

Air induction system
1. Air induction system hose (air filter case to reed valve assembly) 2. Air induction system reed valve assembly 3. Air induction system hose (reed valve assembly to exhaust pipe) Checki ...

Ignition system
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Other materials:

Installing the engine
1. Install: Engine "1" Engine mounting bolt (rear lower side) "2" Engine mounting nut (rear lower side) "3" Engine mounting bolt (rear upper side) "4" Engine mounting nut (rear upper side) "5" Engine mounting bolt (front side) "6" Engine mounting nut (front side) "7" NOTE: Do not ...

Removing the piston
1. Remove: Piston pin clips "1" Piston pin "2" Piston "3" CAUTION:Do not use a hammer to drive the piston pin out. NOTE: Before removing the piston pin clip, cover the crankcase opening with a clean rag to prevent the piston pin clip from falling in ...

Overheating
Engine 1. Clogged coolant passages Cylinder head and piston Heavy carbon buildup 2. Engine oil Incorrect oil level Incorrect oil viscosity Inferior oil quality Cooling system 1. Coolant Low coolant level 2. Radiator Damaged or leaking radiator Faulty radiator cap ...

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