Yamaha YZF-R125 Owners Manual: Instrument and control functions

Yamaha YZF-R125 Owners Manual / Instrument and control functions

Controls and instruments
Controls and instruments 1. Clutch lever Left handlebar switches Multi-function display Main switch/steering lock Tachometer Right handlebar switches Throttle grip Brake lever ...

Main switch/steering lock
Main switch/steering lock The main switch/steering lock controls the ignition and lighting systems, and is used to lock the steering. The various positions are described below. ON All ele ...

Other materials:

Checking the cylinder head
1. Eliminate: Combustion chamber carbon deposits (with a rounded scraper) NOTE: Do not use a sharp instrument to avoid damaging or scratching: Spark plug bore threads Valve seats 2. Check: Cylinder head Damage/scratches   Replace. Cylinder head water jacket Min ...

Checking the piston rings
1. Measure: Piston ring side clearance Out of specification Replace the piston and piston rings as a set. NOTE: Before measuring the piston ring side clearance, eliminate any carbon deposits from the piston ring grooves and piston rings. 2. Install: Piston ring (into the cylind ...

Checking the shift drum assembly
1. Check: Shift drum groove Damage/scratches/wear Replace the shift drum assembly. Shift drum segment "1" Damage/wear  Replace the shift drum assembly. Shift drum bearing "2" Damage/pitting Replace the shift drum assembly. ...

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