Yamaha ttr230 User Manual

INSP
ADJUS
CHAPTER 3.
PERIODIC INSPECTION AND ADJUSTMENTS
INTRODUCTION . ....................................................................................... 3-1
PERIODIC MAINTENANCE / POLLUTANT EMISSION CONTROL ....... 3-1
GENERAL MAINTENANCE / LUBRICATION ............................................. 3-2
SEAT, FUEL TANK AND COVERS ..................................................... 3-3
REMOVAL ........................................................................................... 3-3
INSTALLATION ................................................................................... 3-5
ENGINE ....................................................................................................... 3-6
VALVE CLEARANCE ADJUSTMENT.................................................. 3-6
CAMSHAFT CHAIN ADJUSTMENT................................................... 3-9
IDLE SPEED ADJUSTMENT .............................................................. 3-9
THROTTLE CABLE FREE PLAY ADJUSTMENT ............................... 3-10
SPARK PLUG INSPECTION .............................................................. 3-12
IGNITION POINT INSPECTION ......................................................... 3-13
COMPRESSION PRESSURE MEASUREMENT. ............................... 3-14
ENGINE OIL LEVEL CHECK .............................................................. 3-17
ENGINE OIL CHANGE ...................................................................... 3-18
OIL PRESSURE CHECK .................................................................... 3-23
CLUTCH ADJUSTMENT .................................................................. 3-23
AIR FILTER CLEANING ..................................................................... 3-24
CARBURETOR CONNECTION CHECK ............................................ 3-26
FUEL HOSE CHECK.......................................................................... 3-26
ENGINE BREATHER HOSE CHECK ................................................. 3-26
EXHAUST SYSTEM CHECK ............................................................ 3-27
CORE CLEARING. ............................................................................. 3-27
FRAME ...................................................................................................... 3-28
FRONT BRAKE ADJUSTMENT................................................................3-28
FRONT BRAKE PAD CHECK.....................................................................3-28
AIR BLEEDING (FRONT BRAKE SYSTEM)............................................3-29
REAR BRAKE ADJUSTMENT.. ....................................................... 3-30
BRAKE LINING CHECK .................................................................... 3-31
TRANSMISSION CHAIN FREE PLAY ADJUSTMENT.. .................. 3-32
TRANSMISSION CHAIN LUBRICATION ......................................... 3-33
STEERING COLUMN ADJUSTMENT.... .......................................... 3-34
FRONT SUSPENSION INSPECTION. .............................................. 3-36
REAR SHOCK ABSORBER ADJUSTMENT....... .............................. 3-36
TIRE INSPECTION ............................................................................ 3-38

Yamaha ttr230 Specifications

General

Engine Type	223cc air-cooled SOHC 4-stroke; 2 valves
Bore x Stroke	70.0mm x 58.0mm
Compression Ratio	9.5:1
Ignition	CDI
Transmission	Constant-mesh 6-speed; multiplate wet clutch
Final Drive	Chain
Rear Suspension	Single shock; 8.7-in travel
Front Tire	80/100-21
Rear Tire	100/100-18
Length	81.3 in
Width	31.5 in
Seat Height	34.3 in
Wheelbase	54.5 in
Ground Clearance	11.6 in
Front Suspension	Telescopic fork
Rear Brake	Drum