Yamaha ttr230 User Manual

INSP
ADJUS
VALVE CLEARANCE ADJUSTMENT
V
WARNING
Support the motorcycle firmly preventing
it from falling.
3-6
ENGINE
VALVE CLEARANCE ADJUSTMENT
NOTE:
 The valve clearance should be measured
with the engine cold.
 Adjust the valve clearance with the piston
at the top dead center (TDC) at the
compression stroke.
TDC - Alignment steps:
 Using a screwdriver, turn the crankshaft
counterclockwise.
************************************
1. Remove:
 Side covers
 Seat
 Fuel tank
See Section “SEAT, FUEL TANK AND
COVERS.”
2. Remove:
 Valve cover 1 (Exhaust)
 Valve cover 2 (Intake)
3. Remove:
 Cover 1 (with O-ring)
 Cover 2 (with O-ring)
4. Align:
 “T” mark on the rotor with the stationary
mark on the case cover.
2
1
2
1

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