G450x ’10

ENGINE
Type Water-cooled four-stroke, single-cylinder engine, four valves,
twin overhead camshaft, dry sump lubrication
Bore x stroke 98 mm x 59.6 mm
Capacity 449.5 cm3
Max. output
(homologated for road use)
41 hp (30 kW) at 7,000 rpm
(with power reduction: 26 hp/19 kW
at 6,500 rpm)
open (with standard silencer)
(not homologated for road use)
52 hp (38 kW) at 9,000 rpm
Max. torque
(homologated for road use)
43 Nm at 6,500 rpm
(with power reduction: 30 Nm at 5,750 rpm)
open (with standard silencer)
(not homologated for road use)
44 Nm at 7,800 rpm
Compression ratio 12:1
Fuel/engine management Electronic intake pipe injection/Keihin digital engine
management with overrun cut-off
Emission control Regulated 2-way catalytic converter
Fuel type 95 RON

ELECTRICS
Alternator 280-W three-phase generator
Battery 12 V/7 Ah, maintenance-free

TRANSMISSION
Clutch Wet multidisc clutch, mechanically operated, primary clutch
mounted directly on crankshaft
Gears Synchromesh 5-speed gearbox, built into engine housing
Primary drive ratio
Final drive ratio
2:62
15:48 (13:48, 14:48)
Spare parts: 48 – 49 – 50 – 51 chain rings

CHASSIS/BRAKES
Frame Bridge-type tubular frame made of high-strength
stainless steel, aluminium rear frame
Handlebars Double-butted, aluminium,
diameter 28/22 mm
Suspension, front Marzocchi upside-down telescopic fork,
adjustable compression and rebound
Suspension, rear Die-cast aluminium double swing-arm, Öhlins strut, adjustable
compression and rebound, adjustable spring preload
Travel, front/rear 300 mm/320 mm
Wheelbase (in normal position) 1,475 mm
Castor (in normal position) 118.8 mm
Steering head angle
(in normal position)
61.8°
Rim dimensions, front 1.60 x 21″
Rim dimensions, rear 2.15 x 18″
Tyre, front 90/90-21
Tyre, rear 140/80-18
Brakes, front Single disc brake, diameter 260 mm,
double-piston