Motus MST Prototype (2011)

Make Model: Motus MST Prototype


Year: 2011
Engine: Four stroke, 90 o V4, dual OHV, pushrod, chain-driven single cam; hydraulic lifters
Capacity: 1645 cc / 100 cu-in
Materials: 356-T6 cast aluminum block and heads; forged steel crank, cam, rods; forged aluminum pistons; linerless Nikasil bore
Firing order: 1 — 4 — 3 — 2
Bore x Stroke: 86.5 mm x 70.0 mm / 3.41in x 2.75 in
Valves: Intake ~A44.5mm (1.75in); Exhaust ~A36.8mm (1.45in); stainless steel
Cooling System: Liquid cooled
Compression Ratio: 11.5:1
Ignition Sequence: TDC — 345 o — 435 o — 630 o
Ignition: Electronic CDI
Starting: Electric
Max Power: 120 kW / 161 hp @ 7800rpm
Max Torque: 165 Nm / 16.7 kgf-m / 122 lb-ft @ 4500rpm
Clutch: Wet, multi-plate
Transmission: 6-Speed sequential gearbox; unit construction
Final Drive: Chain
Chassis: Chromoly tubular trellis spaceframe; engine as stressed member
Rake: 26 o
Trail: 108 mm /4.25 in
Front Suspension: 43mm inverted telescopic forks, fully adjustable

Front Wheel Travel: 120 mm / 4.7 in
Rear Suspension: Twin spar chromoly swingarm; fully adjustable pushrod monoshock with remote preload adjustment
Rear Wheel Travel: 120 mm / 4.7 in
Front Brakes: 2 x 320 mm floating discs, 4-piston monoblock radial calipers
Rear Brakes: Single disc, 2-piston caliper
Front Wheels: 3.5 x 17, aluminium; Michelin Road Pilot 2CT tires
Rear Wheels: 6.0 x 17, aluminum; Michelin Road Pilot 2CT tires
Seat Height: 787mm / 31 in
Dry Weight: 227 kg / 500 lbs
Fuel Capacity: 22.7 Litres / 6.0 US gal / 5.0 Imp gal


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