Honda SH300 2010 User Manual

MAINTENANCE
4-15
Check the radiator air passage for clogs or damage.
Straighten bent fins with a small, flat blade screw-
driver and remove insects, mud or other obstruc-
tions with compressed air or low pressure water.
Replace the radiator if the air flow is restricted over
more than 20% of the radiating surface.
SECONDARY AIR SUPPLY SYSTEM
Remove the luggage box (page 3-5).
Check the air supply hoses between the air cleaner
housing and pulse secondary air injection (PAIR)
check valve for cracks, deterioration, damage or
loose connections.
If the air supply hoses show any signs of heat dam-
age, inspect the PAIR check valve (page 6-79).
For secondary air supply system inspection (page 6-
78).
DRIVE BELT
Remove the drive belt (page 11-7).
Check the drive belt for cracks, separation or abnor-
mal or excessive wear.
Measure the drive belt width.
If necessary drive belt replacement.
Install the drive belt (page 11-7).
RADIATOR FIN
PAIR CONTROL
SOLENOID VALVE
PAIR CHECK
VALVE
AIR
CLEANER
EXHAUST
PORT
HOSES
SERVICE LIMIT: 25.5 mm (1.00 in)
DRIVE BELT

Honda SH300 2010 Specifications

General

Displacement	279cc
Bore x Stroke	72 mm x 68.5 mm
Compression Ratio	10.5:1
Max Torque	26.5 Nm at 6, 000 rpm
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
Curb Weight	169 kg
Height	1, 195 mm
Engine Type	Liquid-cooled, 4-stroke, single-cylinder
Transmission	V-Matic
Front Brake	Single 256 mm disc
Rear Brake	Single 240 mm disc
Rear Suspension	Dual shock absorbers