Honda SH300 2008 User Manual

GENERAL INFORMATION
1-12
STANDARD TORQUE VALUES
ENGINE & FRAME TORQUE VALUES
• Torque specifications listed below are for important fasteners.
• Others should be tightened to standard torque values listed above.
ENGINE
FRAME/BODY PANELS
MAINTENANCE
LUBRICATION SYSTEM
FUEL SYSTEM (PGM-FI)
FASTENER TYPE
TORQUE
FASTENER TYPE
TORQUE
N·m (kgf·m, lbf·ft) N·m (kgf·m, lbf·ft)
5 mm hex bolt and nut 5 (0.5, 3.6) 5 mm screw 4 (0.4, 2.9)
6 mm hex bolt and nut 10 (1.0, 7) 6 mm screw 9 (0.9, 6.5)
8 mm hex bolt and nut 22 (2.2, 16) 6 mm flange bolt (8 mm head, small flange) 10 (1.0, 7)
10 mm hex bolt and nut 34 (3.5, 25) 6 mm flange bolt (8 mm head, large flange) 12 (1.2, 9)
12 mm hex bolt and nut 54 (5.5, 40) 6 mm flange bolt (10 mm head) and nut 12 (1.2, 9)
8 mm flange bolt and nut 26 (2.7, 20)
10 mm flange bolt and nut 39 (4.0, 29)
ITEM Q'TY
THREAD TORQUE
REMARKS
DIA. (mm) N·m (kgf·m, lbf·ft)
Exhaust pipe stud bolt 2 8 9 (0.9, 6.6) See page 3-15
ITEM Q'TY
THREAD TORQUE
REMARKS
DIA. (mm) N·m (kgf·m, lbf·ft)
Spark plug 1 10 16 (1.6, 12)
Timing hole cap 1 14 6 (0.6, 4.4) Apply oil to the threads and
seating surface.
Engine oil drain bolt 1 12 25 (2.5, 18) Apply oil to the threads and
seating surface.
Oil filter cartridge 1 20 26 (2.7, 19) Apply oil to the threads and
seating surface.
Oil filter boss 1 20 18 (1.8, 13) See page 4-12
Belt case air cleaner housing
socket bolt
3 6 10 (1.0, 7)
Final drive oil check bolt 1 8 13 (1.3, 10)
Final drive oil filler bolt 1 8 13 (1.3, 10)
Final drive oil drain bolt 1 8 13 (1.3, 10)
ITEM Q'TY
THREAD TORQUE
REMARKS
DIA. (mm) N·m (kgf·m, lbf·ft)
Oil pressure switch 1 PT 1/8 12 (1.2, 9) Apply sealant to the threads.
Oil pump cover screw 1 3 2 (0.2, 1.5)
Oil pump driven sprocket bolt 1 6 12 (1.2, 9) Apply oil to the threads and
seating surface.
Left-hand threads.
ITEM Q'TY
THREAD TORQUE
REMARKS
DIA. (mm) N·m (kgf·m, lbf·ft)
Throttle body insulator band
screw
2 5 5 (0.5, 3.7)
IACV set plate torx screw 2 4 2.1 (0.2, 1.5)
Sensor unit mounting torx screw 3 5 3.4 (0.3, 2.5)
Throttle body cable bracket screw 1 5 3.4 (0.3, 2.5)
Throttle body wire clamp plate
screw
1 5 3.4 (0.3, 2.5)
ECT sensor 1 12 25 (2.5, 18)
O2 sensor 1 12 25 (2.5, 18)

Honda SH300 2008 Specifications

General

Displacement	279 cc
Bore x Stroke	72 mm x 68.5 mm
Compression Ratio	10.5:1
Fuel System	PGM-FI electronic fuel injection
Ignition	Digital transistorized with electronic advance
Front Suspension	Telescopic fork
Front Tire	110/70-16
Rear Tire	130/70-16
Engine Type	Liquid-cooled, 4-stroke, single-cylinder
Max Torque	26.5Nm / 6, 000rpm
Transmission	V-Matic
Rear Suspension	Dual shocks
Front Brake	Single 256 mm disc
Rear Brake	240mm hydraulic disc