.:[Double Click To][Close]:.
coompax-digital magazine

Yamaha Dragstar 400 2007




2007 Yamaha Dragstar 400 Specification:
yamaha dragstar 125 v twin
Category: Cruiser

Also called: Yamaha DragStar Four or Yamaha DS4

Engine:
Model: H601E
Type: Air cooled 4 strokes SOHC 2 valves
Cylinder: V type 2
Displacement: 399cc
Bore x stroke: 68.0mm × 55.0mm
Compression ratio: 9.7 : 1
Maximum power: 24kW (32PS) @ 7,500rpm
Maximum torque: 32N m (3.3kgf m) @ 6,000rpm
Starting system: Cell system
Lubricating system: Forced force wet sump
Carburetor type: BDS28×2
Ignition system: T.C.I. Formula

Powertrain:
Primary drive: Gear, ratio = 2.028 (71/35)
Final drive: Shaft, ratio = 3.070 (19/18×32/11)
Clutch type: Wet multiple plate coil springs
Transmission type: Return type 5 step
Change gear ratio:
1st: 2.714
2nd: 1.900
3rd: 1.458
4th: 1.166
5th: 0.966

Chassis:
Frame type: Double cradle
Caster/trail: 35°00 ‘/153mm
Front brake: Hydraulic type single disk
Rear brake: drum
Front tire: 100/90-19M/C 57S
Rear tire: 170/80-15M/C 77S

Dimensions/weight/capacity:
Length: 2,340mm
Width: 840mm
Height: 1,065mm
Wheelbase: 1,610mm
Seat height: 660mm
Dry weight: 209kg
Weight equipped: 225kg
Minimum turning radius: 3.1m
Motor oil capacity: 3.2L
Fuel tank capacity: 15L
Fuel economy: 43.0km/L @ 60kph

Electricals:
Battery capacity/type: 12V-10Ah (10h)/GT12B-4 (MF)
Headlight: Halogen valve (60W/55W)

Aprilia Shiver Review: Aprilia SL 750 Shiver 2007






Aprilia Shiver SL 750 Overwiew

A stunning new naked bike has made its debut in the fantastic world of Aprilia. The SL 750 Shiver is agile, powerful, refined and packed with technology. Advanced in performance and design, this is a bike dedicated to riders who want to stand out from the crowd, with sporting Italian style.

A brand new 90° V twin engine, designed and manufactured entirely by Aprilia, an innovative chassis, prestige components and the latest generation of technical solutions are the winning ingredients of the new SL 750 Shiver. This agile yet powerful motorcycle is designed to deliver satisfaction and excitement to all riders, from the novice to the most demanding and experienced. The SL 750 Shiver is the mid-size naked bike you have been waiting for.

Aprilia SL 750 Shiver Specification:

Category: Naked bike / Streetfighter

Engine:
Type: Four stroke longitudinal 90° VTwin, Liquid cooled, Double overhead camshaft with mixed gear/chain drive, Four valves per cylinder.
Fuel: Unleaded petrol.
Bore x stroke: 92mm x 56.4mm
Total displacement: 749.9 cc
Compression ratio: 11 : 1
Maximum power at the crank: 95 HP at 9000 rpm.
Maximum torque at the crank: 8.25 kgm at 7000 rpm.
Fuel system: Integrated engine management system. Injection with Ride by Wire technology control of the throttle bodies
Ignition: Digital electronic, integrated with the injection
Starting: Electric
Exhaust: Two in one system in 100% stainless steel with three-way catalytic converter and Lambda probe
Generator: 450 W at 6000 rpm.
Lubrication: Wet sump
Gearbox: six speed, transmission ratio:
1: 36/14 (2.57)
2: 32/17 (1.88)
3: 30/20 (1.5)
4: 28/22 (1.27)
5: 23/26 (1.130)
6: 24/25 (1.041)
Clutch: Multi-plate in oil bath, hydraulically operated.
Primary drive: Spur gears
Transmission ratio: 60/31 (1.75)
Final drive: Chain
Transmission ratio: 16/44

Chassis:
Frame: Modular steel trellis connected with high strength bolts to cast aluminium side plates. Detachable rear sub frame.
Front suspension: 43 mm upside-down fork. Wheel travel 120 mm.
Rear suspension: Aluminium alloy swingarm with reinforcement truss. Hydraulic shock absorber adjustable in spring preload and rebound damping. Wheel travel 130 mm.
Brakes:
Front: Double stainless steel floating disc (Ø 320 mm ) with four piston radially mounted calipers. Metal braided brake line.
Rear: Stainless steel disc (Æ 245 mm) with single piston caliper. Metal braided brake line.
Wheels: In aluminium alloy
Front: 3.50 X 17″
Rear: 6.00 X 17″
Tyres: Radial tubeless;
Front: 120/70 ZR 17
Rear: 180/55 ZR 17

Dimensions:
Overall length: 2265 mm
Overall width: 800 mm (at handlebars)
Overall height: 1135 mm (at instruments)
Seat height: 810 mm
Wheelbase: 1440 mm
Trail: 109 mm
Rake angle: 25.7°
Dry weight: 189 kg
Tank capacity: 15 ltrs

Yamaha YBR 250 2008




2008 Yamaha YBR 250 Specifications:

Category: Naked bike

Engine:
Type: Air-cooled, 4-stroke, single cylinder
Displacement: 249 cc
Bore x stroke: 74.0 x 58.0 mm
Compression ratio: 9.80:1
Maximum power: 15.7 kW (21 PS) @8,000 rpm
Maximum torque: 20.7 Nm (2.1 kg-m) @ 6,500 rpm
Lubrication system: Wet sump
Fuel System: Fuel injection
Clutch type: Wet, multiple-disc coil spring
Ignition system: TCI (digital)
Starter system: Electric
Transmission system: Constant mesh, 5-speed
Final transmission: Chain

Chassis:
Frame: Steel double cradle
Front suspension system: Telescopic forks
Front travel: 115 mm
Rear suspension system: Bottom link swingarm
Rear travel: 120 mm
Front brake: Single disc, Ø 282 mm
Rear brake: Drum, Ø 130 mm
Front tyre: 100/80-17M/C 52S
Rear tyre: 130/70-17M/C 62S

Dimensions:
Length: 2,025 mm
Width: 745 mm
Height: 1,065 mm
Seat height: 805 mm
Wheel base: 1,360 mm
Minimum ground clearance: 190 mm
Dry weight: 138 kg
Fuel tank capacity: 19 L
Oil tank capacity: 1.55 L
" Yamaha Scorpio.