Yamaha ttr230 User Manual

INSP
ADJUS
EXHAUST SYSTEM CHECK
EXHAUST SYSTEM CHECK/ CORE CLEARING
3-27
1. Check:
• Exhaust tube 1
• Muffler 2
Damage/breakage => Replace.
• Gasket 3
Gas leakage => Replace.
Bolt 4 (exhaust tube and cylinder):
10N.m (1.0 Kg.m; 7.2 ft.lb)
Bolt 5 (muffler and frame):
40N.m (4.0 Kg.m; 29 ft.lb)
Bolt 6 (exhaust tube and muffler):
16N.m (1,6 Kg.m; 11,6 ft.lb)
Bolt 7 (guard):
7N.m (0.7 Kg.m ; 5.1 ft.lb)
Core bolt:
10N.M (1.0 Kg.m; 7.2 ft.lb)
1
2
CORE CLEARING
1. Verify that the exhaust is cold.
2. Remove:
• Exhaust core, loosening the 3 bolts 1
3. Clean:
• Exhaust core 2, using a wire brush.
4. Install:
• Exhaust cover 1
• Exhaust core 2
Exhaust core bolt
7N.m (0.7 Kg.m ; 5.1 ft.lb)
1
5. Remove:
• Cleaning bolt 1
6. Close the outlet using a rag, start the
engine and increase the rotation twenty
times generating a temporary pressure
in the muffler.
7. Stop the operation and wait until the
exhaust cools down.
8. Install:
• Cleaning bolt 1
Cleaning bolt 1
7N.m (0.7 Kg.m ; 5.1 ft.lb)
1
2
3
4
5
6
5
7
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