Yamaha ttr230 User Manual

ENGINE
4-41
CLUTCH
4. Measure:
• Steel disc warping (separators)
Out of specification => Replace
assembly.
Use a sheet gage on a flat surface 1.
3. Check:
• Steel discs (separators)
Damage => Replace assembly.
2. Measure:
• Friction disc thickness
Out of specification => Replace friction
disc assembly.
Measure at four tips.
1. Check:
• Friction discs
Wear/damages => Replace friction disc
assembly.
INSPECTION AND REPAIR
Warping limit:
Less than 0.2 mm
Spring free length:
Type “B”
Type “A”
Thickness
Wear
limit
2.90 ~ 3.10 mm
2.90 ~ 3.10 mm
2.8 mm
2.8 mm

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