2007 Honda SH300i
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Europe's Next-Generation Mid-Sized Scooter
Slimmer, lighter and faster than anything that has come before.
Honda's exciting new SH300i sets a bold new direction in the development of
mid-sized scooters with breathtaking performance, incomparable riding control and
comfort and by far the slimmest, most compact proportions in its entire class. Featuring
the same easy-mounting step-through flat floorboard frame and large 16" wheels that
have made Honda's SH series the most popular and best-selling scooters in Europe, the
new SH300i represents a quantum leap forward in both scooter engine and chassis
Powered by the smallest yet most powerful and fastest accelerating fuel-injected
4-stroke single-cylinder engine in the mid-displacement class, the SH300i delivers
dynamic performance, crisp, neutral handling and confident high-speed control on par
with sporting motorcycles, yet coupled with the smoothest, most comfortable ride ever
experienced in any scooter of any size. Figure in Combined antilock brakes, ample
carrying capacity and sleek, attractive lines that draws admiring attention wherever it
goes, and the SH300i undeniably sets the pace for style and performance in largedisplacement
scooters for years to come.
The new SH300i boasts an impressive list of styling and technological features
unheard of in the world of scooters until now. The future is here, and it's brighter than
'Solid and Elegant' design projects a heightened sense of quality and prestige.
Much slimmer, smaller and more compact body proportions than comparable
mid-displacement scooter models.
Flat floorboard provides ample legroom and easy mounting and dismounting.
Ample carrying capacity includes compact compartment under locking seat with
room for a half helmet or other necessities.
785mm seat height to provide an ideal balance of rider eye level and comfortable
Water-resistant forward glove box features DC socket for charging mobile phones
and other accessories.
All-new fuel-injected, liquid-cooled 280cc SOHC 4-valve engine delivers the
strongest performance and fastest acceleration in its class.
Sealed crankcase design separates the crank cavity from the oil reservoir to
eliminate windage resistance caused by crankshaft contacting motor oil.
New sealed crankcase design features one-way reed valve to evacuate both oil and
air pressure from the crank cavity for greatly improved power characteristics,
quicker acceleration and much better mileage than current 250cc-class scooter
Sealed crankcase design also makes possible a much smaller and lighter engine,
with a more compact oil pan that permits lower engine positioning while
maintaining ample ground clearance.
Plain bearing crankshaft eliminates conventional ball bearings for reduced
vibration, noise and mechanical loss.
PGM-FI electronic fuel injection system fully integrated into one compact 34mm
throttle body unit that includes the ECU, sensors and high-performance digital
ignition for easy starting, high performance and exceptional fuel economy.
HECS3 oxygen-sensing catalytic converter system reduces harmful exhaust
emissions to well below strict EURO-3 regulations.
Newly developed underbone-style scooter frame achieves more responsive
handling and greater high-speed stability with its unique flat floorboard than any
other scooter in its class.
Shortest wheelbase in class at 1,420mm for lighter handling and easier
manoeuvrability in tight situations.
Revolutionary new 'floating link' unit swingarm pivot system achieves smoother
handling, lower vibration and more stable high-speed control than any scooter in
Compliant, sure-handling 35mm motorcycle-style telescopic front fork.
Comfortable-riding dual-damper rear suspension.
Large-diameter 16" wheels made popular on the SH series provide smoother,
more comfortable handling, especially at higher speeds.
Large-diameter 256mm front and rear Combined disc brakes for exceptional
stopping ease. Advanced ABS version also available for the ultimate in braking
ease and control.
Combined-ABS version features three-piston front callipers for the ultimate in
sports riding braking control.
Sleekly styled instrument panel features large, easy-to-read central speedometer,
coolant temperature and fuel gauges, large LCD digital clock and dual-trip meter,
and assortment of indicator lights.
HISS immobiliser security system.
SH-exclusive rear carrier specially designed for easy one-touch mounting of
optional 35-litre top box.
Specifications SH300i ED-type
Engine - Liquid-cooled 4-stroke 4-valve SOHC single
Displacement - 279.1cm³
Bore x Stroke - 72 x 68.5mm
Compression Ratio - 10.5 : 1
Max. Power Output - 20kW / 8,250min-1 (95/1/EC)
Max. Torque - 26Nm / 6,000min-1 (95/1/EC)
Idling Speed - 1,500min-1
Oil Capacity - 1.7 litres
Carburation - PGM-FI electronic fuel injection
Throttle Bore - 34mm
Aircleaner - Dry, cartridge-type paper filter
Fuel Tank Capacity - 9 litres
Ignition System - Digital transistorised with electronic advance
Ignition Timing - 10° BTDC (idle) ~ 28° BTDC (8,250min-1)
Sparkplug Type - LMAR8A-9 (NGK)
Starter - Electric
Battery Capacity - 12V / 11AH
ACG Output - 368W
Headlights - 12V, 55W x 1 (low) / 60W x 1 (high)
Clutch - Automatic; centrifugal
Transmission - V-Matic
Final Reduction - 8.571
Final Drive - V-belt
Belt Converter Ratios - 2.350 ~ 0.800
Frame - Underbone; steel tube
Dimensions - (LxWxH) 2,100 x 730 x 1,220mm
Wheelbase - 1,420mm
Caster Angle - 27° 30'
Trail - 98mm
Seat Height - 785mm
Ground Clearance - 136mm
Dry Weight - 161.8kg (*164.7kg)
Kerb Weight - 169.1kg (F: 65.3kg; R: 103.8kg), *172kg (F: 68kg; R: 104kg)
Max. Carrying Capacity - 180kg
Loaded Weight - 319kg (F: 101kg; R: 218kg), *322kg (F: 103kg; R: 219kg)
Suspension - Front; 35mm telescopic fork, 102mm axle travel, Rear; Dual-damper unit swingarm, 95mm axle travel
Wheels - Front; U-section 6-spoke cast aluminium, Rear; U-section 6-spoke cast aluminium
Rim Size - Front; 16 x MT2.75, Rear; 16 x MT3.50
Tyre Size - Front; 110/70 16 (52P), Rear; 130/70 16 (61P)
Tyre Pressure - Front; 200kPa, Rear; 225kPa
Brakes - Front; 256mm x 4.5mm hydraulic disc with triple-piston calliper,
drilled rotor (*ABS) and sintered metal pads, Rear; 256mm x 5mm hydraulic disc with single-piston calliper,
drilled rotor (*ABS) and sintered metal pads * ABS Version
All specifications are provisional and subject to change without notice.