Yamaha ttr230 User Manual

ENGINE
4-47
5. Check:
• Pulse coil 1
Charging coil/stator 2
Damages => Replace.
INSPECTION AND REPAIR
2. Check:
• Oil retainers
Damages/wear => Replace.
Do not use compressed air for drying the
roller bearings. This results in damage to
the surfaces.
1. Check:
• Roller bearings
Clean, lubricate and manually turn the
internal raceway.
Irregular rotation => Replace.
ROLLER BEARINGS AND RETAINERS
3. Check:
• Cases
Breakage/damages => Replace.
• Oil passages
Clogging => Blow using compressed air.
1. Wash the cases thoroughly using
kerosene.
2. Clean all gasket surfaces and the contact
surfaces of the cases.
CASES
CAUTION:
LOCKS AND WASHERS
1. Check:
• Locks
• Washers
Damages/clearances/warping =>
Replace.
1
2

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