Moto-Data

Triumph Bonneville Bobber Black (2018) vs Vyrus Alyen (2020) vs Kawasaki VN 900 Vulcan Classic (2008-09) vs Kawasaki Z1-A (1974)

Comparison technical specifications


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2018 Triumph Bonneville Bobber Black
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2020 Vyrus Alyen
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2008 Kawasaki VN 900 Vulcan Classic
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1974 Kawasaki Z1-A
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Make: Triumph Vyrus Kawasaki Kawasaki
Model: Bonneville Bobber Black Alyen VN 900 Vulcan Classic Z1-A
Years: 2018 2020 2008-09 1974
Engine: Four stoke, parallel twin, 270o crank, SOHC Four stroke, 90° “L” twin cylinder, DOHC, desmodromic 4 valve per cylinder Four stroke V-Twin, SOHC, 4 valve Four stroke, transverse four cylinder, DOHC, 2 valve per cylinder.
Capacity: 1198 cc / 73.1 cu in 1285 cc / 78.4 cub in 903 cc / 49 cu-in 903 cc / 55.1 cu-in
Bore x Stroke: 97.6 x 80 mm 116 x 60.8 mm 88.0 x 74.2 mm 66 x 66 mm
Compression Ratio: 10.0:1 11.3:1 9.5:1 8.5:1
Cooling System: Liquid cooled Liquid cooled Liquid cooled Air cooled
Induction: Multipoint sequential electronic fuel injection Electronic Fuel Injection Fuel injection: ø 34 mm x 2 with dual throttles 4 x 28mm Mikuni VM28SC
Ignition: Digital Digital CDI Digital Battery and coil
Starting: Electric Electric Electric Electric & kick
Max Power: 57.4 kW / 77 hp @ 6550 rpm 205 hp / 152.86 kW @ 10,500 rpm 37 kW / 50 hp @ 5700 rpm 82 hp / 59.8 kW @ 8500 rpm
Max Torque: 105 Nm / 10.7 kgf-m / 77.4 lb-ft @ 3100 rpm NA 78 Nm / 8.0 kg-fm @ 3700 rpm 73.5 Nm / 54.3 lb-ft @ 7000 rpm
Clutch: Wet, multi-plate Wet multiplate clutch Wet multi-disc, manual Wet, multi-plate
Transmission: 6-Speed 6 Speed 5 Speed 5 Speed
Final Drive: Chain, X-ring Chain Belt Chain
Frame: Dual tubular steel cradle Vyrus Magnesium double omega design combined with a self supporting composite body Double-cradle, steel Double tubular steel cradle
Front Suspension: 47mm non-adj Showa fork Push Rod Twin Pivot Vyrus 41mm telescopic fork with 7-way preload 36mm Telescopic forks
Rear Suspension: Kayaba twin shocks with adjustable preload Push Rod Twin Pivot Vyrus Uni-Trak with 7-way adjustable preload Dual shock, 5-way preload adjustment
Front Brakes: 2x 310 mm Disc, 2 piston Brembo calipers, ABS 2 x Disks, Brembo GP4 series Single 300mm disc 2 piston caliper Single 296mm disc 2 piston caliper
Rear Brakes: Single 255 mm disc, 2 piston caliper, ABS Single disk, Brembo GP4 series Single 270mm disc 2 piston caliper 200mm drum
Front Tyre: 130/90-16 120/70 ZR 17 130/90 -16 3.25 H19
Rear Tyre: 150/80-16 200/90 ZR17 180/70 -15 4.00 S18
Trail: 87.0 mm / 3.4 in 84 mm to 112 mm / 3.3 in to 4.4 in 160 mm / 6.3 in 3.75 in.
Wheelbase: 1510 mm / 59.4 in 1575 mm / 62 in 1645 mm / 64.8 in 1498.6 mm / 59.0 in
Fuel Capacity: 9.1 Litres / 2.4 US gal 11 Litres / 2.9 US gal 20 Litres / 5.3 US gal. 18 Litres / 4.7 gal